Weather StoryAlmanac, microseasons, and the day's weather story.

Lookout Mountain, Tennessee Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Lookout Mountain weather forecast — hour by hour, 7-day outlook, NOAA radar

Lookout Mountain, TN
Saturday, July 4 at 10:23 PM
74
°
Light Showers
Feels like
71°
Humidity
72%
Wind
20 mph
Sunrise
2:32 AM
Sunset
4:59 PM
Lookout Mountain, TN
Hour by hour · 24h
24-Hour ForecastLookout Mountain, TN: 24-hour forecast. Temperatures range from 73 to 84 degrees Fahrenheit with a 24% chance of precipitation at 4 PM.
L 73°H 84°
Lookout Mountain, TN
7-day forecast
  1. Today
    Jul 4
    Light Rain
    10%
    0.06″
    86°69°—
  2. Sunday
    Jul 5
    Light Rain
    24%
    0.07″
    84°72°-2°
  3. Monday
    Jul 6
    Drizzle
    68%
    0.02″
    79°69°-5°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    26%
    —
    88°67°+9°
  5. Wednesday
    Jul 8
    Overcast
    16%
    —
    90°63°+2°
  6. Thursday
    Jul 9
    Partly Cloudy
    20%
    —
    91°63°+1°
  7. Friday
    Jul 10
    Light Drizzle
    54%
    —
    87°66°-4°
Lookout Mountain, TN
Next 24 hours · Mild now
70°79°88°6p12a6a12pnow 77°high 84°low 73°PRECIP %
Lookout Mountain, TN
Anemometer · 24h winds · from true
NESW
From · True
SSW
212° · backing 178°
Direction
SSW
212°
Sustained
20
mph
Gust
32
mph
Peak 24h
32
avg 4
Beaufort · 5 · FRESH BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 32
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 315SUSTGUST
−24h−18h−12h−6hnow
Sustained 20 mph with gusts pulsing to 32 — flags snap, branches bend.
Lookout Mountain, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
949.7
+0.3 mb in 3h · steady · 28.04 inHg
Now
949.7
mb
3h
+0.3
mb
12h
-3.1
mb
24h
-3.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 949–953
945950955960-21h-18h-15h-12h-9h-6h-3h-24hNOW953.4949.4949.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lookout Mountain, TN
Air quality
82
AQI
Moderate
↑+23 in 6h

AQI 82 (Moderate), driven by PM2.5. AQI up 23 in the last 6 hours — air quality is degrading. PM2.5 at 15.4 µg/m³, PM10 at 16.3 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
15.4μg/m³
PM 10Good
16μg/m³
NO₂Good
10μg/m³
OzoneModerate
83μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~87%) — afternoon ozone should stay flat.

Present
AQI 39
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5

PM × Wind × Precip

PM2.5 at 15.4 µg/m³, PM10 at 16.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
windy
Recent rain
1h in last 6h
Pattern
background

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³370
Lookout Mountain, TN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
17.9mi
UNLIMITED
72 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
02:23 UTC · Lookout Mountain, TN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
02:23 UTC · Lookout Mountain, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lookout Mountain, TN
Satellite · infrared · animated
Lookout Mountain, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lookout Mountain, TN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:04 AM
Sunrise
2:32 AM
Daylight
14h 27m
Sunset
4:59 PM
Civil dusk
9:29 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lookout Mountain, TN
The moon
Waning Gibbous
77% illuminated
Moonrise
11:55 PM
Moonset
11:55 AM
In sign
♓︎ Pisces
Lookout Mountain, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lookout Mountain at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: March 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 37350

16-Day Forecast — Lookout Mountain

  1. Sat86°69°10%
  2. Sun84°72°24%
  3. Mon79°69°68%
  4. Tue88°67°26%
  5. Wed90°63°16%
  6. Thu91°63°20%
  7. Fri87°66°54%
  8. Sat79°67°41%
  9. Sun70°62°32%
  10. Mon80°61°17%
  11. Tue87°62°18%
  12. Wed89°63°18%
  13. Thu76°64°49%
  14. Fri88°64°39%
  15. Sat85°66°48%
  16. Sun91°68°48%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Lookout Mountain

SPC has placed Lookout Mountain in the Marginal Risk category for severe thunderstorms tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

Day 186 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
Marchlettuce, peas, spinach, radishes—
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
July—tomatoes, beans, summer squash
August—tomatoes, beans, summer squash
September—tomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots—
December——

A year in weather

Lookout Mountain's warmest month is July (~79°F mean) and its coldest is January (~39°F). Rainfall peaks in December (5.4 inches) and bottoms out in October (2.4 inches).

MonthMean tempPrecipRainy days
January39°5.1″16
February42°4.5″15
March50°5.3″17
April59°4.6″15
May67°3.6″16
June76°3.5″16
July79°4.1″21
August78°4.3″21
September73°2.8″14
October63°2.4″9
November50°4.1″12
December42°5.4″15

Regional context

Lookout Mountain swings from 39°F in January to 79°F in July (40°F) per NOAA NCEI 1991-2020 normals; precipitation in Lookout Mountain runs about 49.8 inches on roughly 187 measurable days.

Rainfall in Lookout Mountain stays even across the calendar: December tops out at 5.4 inches over 15.4 rainy days, and October still logs 2.4 inches across 9.3 — a narrow range for Lookout Mountain. That even rhythm groups Lookout Mountain with places like Ridgeside, TN, East Ridge, TN and Whiteside, TN.

Once Lookout Mountain passes mid-March, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Lookout Mountain's heat-lovers — tomatoes, peppers, squash — hold off until Lookout Mountain's frost risk clears, 10-14 days on. Frost returns to Lookout Mountain near mid-December, ending the tender-crop season. Lookout Mountain's low ground holds frost later into spring than Lookout Mountain's benches, which run 3-5 days ahead.

Similar climates: Ridgeside, TN, East Ridge, TN, Whiteside, TN, Chattanooga, TN, Red Bank, TN.

Frequently asked

When does it freeze in Lookout Mountain?
Lookout Mountain's last spring frost lands near mid-March, and in Lookout Mountain the first fall frost follows around mid-December.
What is the rainy season in Lookout Mountain?
Lookout Mountain sees its heaviest rain in December (around 5.4 inches), part of roughly 50 inches a year.
What is the warmest month in Lookout Mountain?
The warmest stretch in Lookout Mountain comes in July, around 79°F on average.
What is the coldest month in Lookout Mountain?
On average January is the chilliest month in Lookout Mountain, about 39°F.
When can I start a vegetable garden in Lookout Mountain?
Frost-hardy sowings begin at mid-March in Lookout Mountain; warm-season starts follow two weeks on.
How many rainy days does Lookout Mountain get?
Expect roughly 187 wet days a year in Lookout Mountain.
What hardiness zone is Lookout Mountain?
Lookout Mountain's USDA zone comes from its January mean (39°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Lookout Mountain?
Lookout Mountain's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Lookout Mountain?
See this week's day-by-day rain chances for Lookout Mountain in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Lookout Mountain?
Current conditions for Lookout Mountain and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Lookout Mountain forecast updated?
The Lookout Mountain forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Lookout Mountain?
Today's sunrise and sunset times for Lookout Mountain are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Lookout Mountain?
The next few days in Lookout Mountain's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Lookout Mountain, Tennessee has a humid subtropical climate: January averages roughly 39°F, July about 79°F, 40°F between them.

Yearly precipitation in Lookout Mountain totals around 50 inches, spread over about 187 days of rain or snow.

At 35.0°N, Lookout Mountain's 40°F summer-to-winter swing sets when Lookout Mountain's gardens wake and when frost returns.

All cities in Tennessee →

Chattanooga, TN weather →

ZIP codes in Lookout Mountain

  • 37350

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.