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

Fountain Inn, South Carolina Weather

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

Fountain Inn weather forecast — hour by hour, 7-day outlook, NOAA radar

Fountain Inn, SC
Sunday, July 5 at 7:14 AM
74
°
Clear
Feels like
82°
Humidity
92%
Wind
1 mph
Sunrise
2:21 AM
Sunset
4:45 PM
Fountain Inn, SC
Hour by hour · 24h
24-Hour ForecastFountain Inn, SC: 24-hour forecast. Temperatures range from 74 to 93 degrees Fahrenheit with a 23% chance of precipitation at 8 PM.
L 74°H 93°
Fountain Inn, SC
7-day forecast
  1. Today
    Jul 5
    Overcast
    23%
    —
    93°74°—
  2. Monday
    Jul 6
    Overcast
    40%
    —
    93°74°0°
  3. Tuesday
    Jul 7
    Light Drizzle
    21%
    —
    95°69°+2°
  4. Wednesday
    Jul 8
    Light Drizzle
    —
    —
    97°69°+2°
  5. Thursday
    Jul 9
    Overcast
    —
    —
    101°68°+4°
  6. Friday
    Jul 10
    Partly Cloudy
    15%
    —
    103°74°+2°
  7. Saturday
    Jul 11
    Light Drizzle
    33%
    —
    101°71°-2°
Fountain Inn, SC
Next 24 hours · Mild now
HOT 90°70°83°96°6a12p6p12anow 74°high 93°low 74°PRECIP %
Fountain Inn, SC
Anemometer · 24h winds · from true
NESW
From · True
NE
034° · veering 166°
Direction
NE
034°
Sustained
1
mph
Gust
5
mph
Peak 24h
15
avg 5
Beaufort · 1 · LIGHT AIR
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 5 · pk 15 @ 5:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 184SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 166° from the ne.
Fountain Inn, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.1
+0.5 mb in 3h · steady · 29.06 inHg
Now
984.1
mb
3h
+0.5
mb
12h
+0.2
mb
24h
-3.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983–988
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.0983.3984.1
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Fountain Inn, SC
Air quality
52
AQI
Moderate
↓-9 in 6h

AQI 52 (Moderate), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 11.7 µg/m³ (AQI 56) with a 0.95 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERGood
11.7μg/m³
PM 10Good
12μg/m³
NO₂Good
6μg/m³
OzoneGood
60μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 11.7 µg/m³ (AQI 56) with a 0.95 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.95
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke

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/m³310
Fountain Inn, SC
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
27.1mi
UNLIMITED
89 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
11:14 UTC · Fountain Inn, SC · 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
11:14 UTC · Fountain Inn, SC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Fountain Inn, SC
Satellite · infrared · animated
Fountain Inn, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Fountain Inn, SC
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:52 AM
Sunrise
2:21 AM
Daylight
14h 24m
Sunset
4:45 PM
Civil dusk
9:16 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Fountain Inn, SC
The moon
Waning Gibbous
73% illuminated
Moonrise
11:43 PM
Moonset
11:41 AM
In sign
♓︎ Pisces
Fountain Inn, SC
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Fountain Inn at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: March 15 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 29644

15-Day Forecast — Fountain Inn

  1. Sun93°74°23%
  2. Mon93°74°40%
  3. Tue95°69°21%
  4. Wed97°69°9%
  5. Thu101°68°9%
  6. Fri103°74°15%
  7. Sat101°71°33%
  8. Sun98°71°31%
  9. Mon97°74°25%
  10. Tue94°66°14%
  11. Wed97°66°14%
  12. Thu92°69°43%
  13. Fri73°68°42%
  14. Sat89°68°42%
  15. Sun93°69°38%

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 — Fountain Inn

SPC has placed Fountain Inn in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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

Fountain Inn peaks at about 80°F in July and bottoms near 41°F in January; March brings the heaviest rain (5.0 inches) and October the least (2.4 inches).

MonthMean tempPrecipRainy days
January41°4.4″14
February44°4.0″12
March52°5.0″15
April60°3.8″16
May69°3.2″17
June76°3.8″18
July80°4.3″23
August78°4.7″24
September73°4.0″16
October63°2.4″10
November51°3.8″11
December44°4.8″14

Regional context

Drawing on NOAA NCEI 1991-2020 normals, Fountain Inn's January averages 41°F and July 80°F — 39°F apart — while precipitation totals roughly 48 inches over some 188 days.

Rainfall in Fountain Inn stays even across the calendar: March tops out at 5.0 inches over 14.7 rainy days, and October still logs 2.4 inches across 10.0 — a narrow range for Fountain Inn. That lines Fountain Inn up with places like Simpsonville, SC, Five Forks, SC and Gray Court, SC, fed by overlapping storm tracks.

By mid-March the frosts ease in Fountain Inn, opening the season for peas, lettuce, spinach, and radishes. Hold Fountain Inn's tender crops — tomatoes, peppers, basil — until 10-14 days past Fountain Inn's last frost. Fountain Inn's window closes around mid-December as overnight lows return below freezing. In Fountain Inn, low spots run 4-7°F colder than nearby slopes, nudging Fountain Inn's frost dates a week.

Similar climates: Simpsonville, SC, Five Forks, SC, Gray Court, SC, Mauldin, SC, Conestee, SC.

Frequently asked

When does it freeze in Fountain Inn?
Fountain Inn's last spring frost lands near mid-March, and in Fountain Inn the first fall frost follows around mid-December.
What is the rainy season in Fountain Inn?
March is the wettest month in Fountain Inn, about 5.0 inches on average; the year totals roughly 48 inches.
What is the warmest month in Fountain Inn?
On average July tops the year in Fountain Inn at about 80°F.
What is the coldest month in Fountain Inn?
The coldest stretch in Fountain Inn falls in January, around 41°F on average.
When can I start a vegetable garden in Fountain Inn?
Hardy spring crops go in near mid-March in Fountain Inn; tender peppers and squash wait 10–14 days.
How many rainy days does Fountain Inn get?
Expect roughly 188 wet days a year in Fountain Inn.
What hardiness zone is Fountain Inn?
With January around 41°F, Fountain Inn's zone reflects that minimum — the USDA ZIP map confirms Fountain Inn's band.
What is the 10-day forecast for Fountain Inn?
Fountain Inn'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 Fountain Inn?
See this week's day-by-day rain chances for Fountain Inn in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Fountain Inn?
Current conditions for Fountain Inn and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Fountain Inn forecast updated?
The Fountain Inn forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Fountain Inn?
Today's sunrise and sunset times for Fountain Inn 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 Fountain Inn?
The next few days in Fountain Inn's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Set in a humid subtropical zone, Fountain Inn, South Carolina swings from 41°F in the heart of winter to 80°F at midsummer — a 39°F arc.

Across the year, Fountain Inn collects about 48 inches of precipitation over roughly 188 days with measurable rain or snow.

Fountain Inn sits at 34.7°N; that 39°F seasonal swing frames planting windows and frost dates across Fountain Inn.

All cities in South Carolina →

Mauldin, SC weather →

ZIP codes in Fountain Inn

  • 29644

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.