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Johnson City, New York Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Johnson City weather forecast — hour by hour, 7-day outlook, NOAA radar

Johnson City, NY
Saturday, July 4 at 4:06 PM
89
°
Clear
Feels like
93°
Humidity
48%
Wind
9 mph
Sunrise
1:33 AM
Sunset
4:43 PM
Johnson City, NY
Hour by hour · 24h
24-Hour ForecastJohnson City, NY: 24-hour forecast. Temperatures range from 66 to 89 degrees Fahrenheit with a 33% chance of precipitation at 11 PM.
L 66°H 89°
Johnson City, NY
7-day forecast
  1. Today
    Jul 4
    Overcast
    33%
    —
    89°70°—
  2. Sunday
    Jul 5
    Overcast
    28%
    —
    86°66°-3°
  3. Monday
    Jul 6
    Showers
    81%
    0.68″
    74°64°-12°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    58%
    —
    77°62°+3°
  5. Wednesday
    Jul 8
    Light Drizzle
    16%
    0.02″
    71°60°-6°
  6. Thursday
    Jul 9
    Light Drizzle
    26%
    —
    86°61°+15°
  7. Friday
    Jul 10
    Light Drizzle
    64%
    0.04″
    85°64°-1°
Johnson City, NY
Next 24 hours · Warm now
HOT 90°60°78°95°12p6p12a6anow 89°high 89°low 66°PRECIP %
Johnson City, NY
Anemometer · 24h winds · from true
NESW
From · True
WNW
283° · backing 37°
Direction
WNW
283°
Sustained
9
mph
Gust
17
mph
Peak 24h
22
avg 6
Beaufort · 3 · GENTLE 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 6 · pk 22 @ 5:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 284SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 37° from the wnw.
Johnson City, NY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
982.7
-1.1 mb in 3h · falling · 29.02 inHg
Now
982.7
mb
3h
-1.1
mb
12h
0.0
mb
24h
-1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 982–984
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW984.2981.6982.7
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Johnson City, NY
Air quality
52
AQI
Moderate
↑+13 in 6h

AQI 52 (Moderate), driven by PM2.5. AQI up 13 over the last 6 hours (gradual rise). PM2.5 at 8.7 µg/m³, PM10 at 9.9 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 2.5DRIVERGood
8.7μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneModerate
95μg/m³
UV IndexModerate
2.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 45 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 45
UV peak
1.9 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 45

PM × Wind × Precip

PM2.5 at 8.7 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.88
Wind
light
Recent rain
0h 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 TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³360
Johnson City, NY
Sky cover · visibility · 24h
Cloud cover
9%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
76.2mi
UNLIMITED
77 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
20:06 UTC · Johnson City, NY · 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
20:06 UTC · Johnson City, NY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Johnson City, NY
Satellite · infrared · animated
Johnson City, NY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Johnson City, NY
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:00 AM
Sunrise
1:33 AM
Daylight
15h 10m
Sunset
4:43 PM
Civil dusk
9:18 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Johnson City, NY
The moon
Waning Gibbous
79% illuminated
Moonrise
11:00 PM
Moonset
10:05 AM
In sign
♓︎ Pisces
Johnson City, NY
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Johnson City at a glance

  • Today vs. normal: 19°F above the seasonal normal for this latitude
  • Last frost: April 29 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 13790

16-Day Forecast — Johnson City

  1. Sat90°70°33%
  2. Sun86°67°28%
  3. Mon74°64°81%
  4. Tue77°62°58%
  5. Wed71°60°16%
  6. Thu86°61°26%
  7. Fri85°64°64%
  8. Sat75°63°27%
  9. Sun76°59°22%
  10. Mon80°54°30%
  11. Tue76°57°31%
  12. Wed82°54°27%
  13. Thu77°61°45%
  14. Fri87°61°45%
  15. Sat85°64°46%
  16. Sun75°67°41%

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

Right now in the garden

Peak growing season

As of July 4, 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 — Johnson City

SPC has placed Johnson City in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins 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 afternoon

Annual cicada buzz begins, peaking in the heat of the day.

Day 185 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——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

July is Johnson City's warmest stretch (~72°F) and January its coldest (~24°F); precipitation crests in May at 4.0 inches and ebbs in February to 2.6 inches.

MonthMean tempPrecipRainy days
January24°2.9″23
February26°2.6″19
March35°3.4″21
April47°3.9″20
May57°4.0″21
June66°3.7″20
July72°3.6″19
August71°3.6″18
September64°3.6″15
October53°3.4″15
November39°3.8″20
December29°3.4″22

Regional context

Per NOAA NCEI 1991-2020 normals, Johnson City runs from a 24°F January mean to 72°F in July, a 48°F seasonal spread, with near 41.9 inches of precipitation across about 232 wet days.

No season owns Johnson City's rain: May reaches 4.0 inches across 20.6 days and February keeps 2.6 inches on 19.2, an even spread through Johnson City's year. That lines Johnson City up with places like Binghamton University, NY, Endwell, NY and Binghamton, NY, fed by overlapping storm tracks.

Around late-May, Johnson City sheds its freezing nights — kale, peas, spinach, and parsnips go into Johnson City's beds. Tomatoes and peppers do best set out two weeks later in Johnson City, once nights clear the mid-40s°F. The season ends by early-October in Johnson City, once hard frosts set back in. A creek-bottom lot in Johnson City can lag Johnson City's last frost 7-10 days behind a south slope.

Similar climates: Binghamton University, NY, Endwell, NY, Binghamton, NY, Port Dickinson, NY, Endicott, NY.

Frequently asked

When does it freeze in Johnson City?
Frost typically leaves Johnson City by mid-May and returns to Johnson City near mid-October.
What is the rainy season in Johnson City?
May is the wettest month in Johnson City, about 4.0 inches on average; the year totals roughly 42 inches.
What is the warmest month in Johnson City?
On average July tops the year in Johnson City at about 72°F.
What is the coldest month in Johnson City?
The coldest stretch in Johnson City falls in January, around 24°F on average.
When can I start a vegetable garden in Johnson City?
Around mid-May, start frost-hardy crops in Johnson City; tomatoes and basil belong a fortnight later.
How many rainy days does Johnson City get?
Johnson City averages about 232 days with measurable rain or snow each year.
What hardiness zone is Johnson City?
Since January in Johnson City averages 24°F, Johnson City's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Johnson City?
Johnson City'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 Johnson City?
See this week's day-by-day rain chances for Johnson City in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Johnson City?
Current conditions for Johnson City and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Johnson City forecast updated?
The Johnson City forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Johnson City?
Today's sunrise and sunset times for Johnson City 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 Johnson City?
The next few days in Johnson City's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

The warm-summer humid continental climate of Johnson City, New York carries typical Januarys near 24°F and Julys around 72°F — 48°F of seasonal travel.

Johnson City sees close to 42 inches of precipitation annually, falling across some 232 wet days.

From 42.1°N, Johnson City sees a 48°F seasonal swing that governs Johnson City's planting and frost windows.

All cities in New York →

Binghamton, NY weather →

ZIP codes in Johnson City

  • 13790

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.