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

Folly Beach, South Carolina Weather

Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →

Folly Beach weather forecast — hour by hour, 7-day outlook, NOAA radar

Folly Beach, SC
Wednesday, June 17 at 12:45 PM
84
°
Overcast
Feels like
89°
Humidity
71%
Wind
13 mph
Sunrise
2:11 AM
Sunset
4:29 PM
Folly Beach, SC
Hour by hour · 24h
24-Hour ForecastFolly Beach, SC: 24-hour forecast. Temperatures range from 78 to 88 degrees Fahrenheit with a 22% chance of precipitation at 12 PM.
L 78°H 88°
Folly Beach, SC
7-day forecast
  1. Today
    Jun 17
    Thunderstorm
    51%
    0.02″
    88°74°—
  2. Thursday
    Jun 18
    Thunderstorm
    19%
    0.02″
    86°76°-2°
  3. Friday
    Jun 19
    Thunderstorm
    57%
    0.23″
    83°74°-3°
  4. Saturday
    Jun 20
    T-storm w/ Hvy Hail
    27%
    0.23″
    86°75°+3°
  5. Sunday
    Jun 21
    Drizzle
    —
    —
    85°75°-1°
  6. Monday
    Jun 22
    Drizzle
    15%
    —
    93°78°+8°
  7. Tuesday
    Jun 23
    Light Drizzle
    38%
    —
    81°74°-12°
Folly Beach, SC
Next 24 hours · Warm now
HOT 90°74°83°92°12p6p12a6anow 83°high 88°low 78°PRECIP %
Folly Beach, SC
Anemometer · 24h winds · from true
NESW
From · True
WSW
240° · backing 21°
Direction
WSW
240°
Sustained
13
mph
Gust
23
mph
Peak 24h
27
avg 9
Beaufort · 4 · MOD 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 9 · pk 27 @ 4:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3115SUSTGUST
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 23 — flags snap, branches bend.
Folly Beach, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.7
-0.4 mb in 3h · steady · 29.91 inHg
Now
1012.7
mb
3h
-0.4
mb
12h
-0.7
mb
24h
0.0
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1011–1013
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.01011.31012.3
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Folly Beach, SC
Air quality
23
AQI
Good
↓-6 in 6h▲Peak ~30 @ 11 PM

AQI 23 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline).

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

PM 2.5Good
1.5μg/m³
PM 10Good
2μg/m³
NO₂Good
2μg/m³
OzoneDRIVERGood
58μg/m³
UV IndexModerate
3.6

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 TREND50100WEDTHUFRISATSUNMONTUEWED7-DAY PM2.5 TREND · μg/m³320
Folly Beach, SC
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
46.5mi
UNLIMITED
62 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
16:45 UTC · Folly Beach, 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
16:45 UTC · Folly Beach, SC · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Folly Beach, SC
Satellite · infrared · animated
Folly Beach, SC
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Folly Beach, SC
Almanac · Wednesday, June 17
A summer fog for fair, a winter fog for rain.
Civil dawn
5:44 AM
Sunrise
2:11 AM
Daylight
14h 18m
Sunset
4:29 PM
Civil dusk
8:59 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Folly Beach, SC
The moon
Waxing Crescent
9% illuminated
Moonrise
8:40 AM
Moonset
10:32 PM
In sign
♌︎ Leo
Folly Beach, SC
Microseason
Jun 16–20

Heat settles and the rain begins

bird
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Folly Beach at a glance

  • Today vs. normal: 84°F — typical for the season
  • Last frost: March 3 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Folly Beach

  1. Wed88°74°51%
  2. Thu86°76°19%
  3. Fri83°74°57%
  4. Sat86°75°27%
  5. Sun85°75°6%
  6. Mon93°78°15%
  7. Tue81°74°38%
  8. Wed82°77°25%
  9. Thu82°76°23%
  10. Fri82°75°23%
  11. Sat83°75°20%
  12. Sun84°77°48%
  13. Mon86°79°52%
  14. Tue86°80°53%
  15. Wed84°79°58%
  16. Thu85°78°54%

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

Right now in the garden

Peak growing season

As of June 17, 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 — Folly Beach

SPC has placed Folly Beach 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 · June 16–20

Heat settles and the rain begins

Summer heat locks in; afternoon thunderstorms arrive with humid intensity, feeding kudzu and swamp vegetation.

Day 168 of 365 · Wedge 34 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

July is Folly Beach's warmest stretch (~81°F) and January its coldest (~51°F); precipitation crests in August at 6.8 inches and ebbs in April to 2.5 inches.

MonthMean tempPrecipRainy days
January51°4.0″17
February53°3.4″14
March58°4.0″15
April65°2.5″14
May73°2.7″17
June79°4.4″22
July81°6.3″26
August81°6.8″28
September77°5.0″22
October70°2.7″15
November60°2.5″13
December54°3.3″16

Frequently asked

When does it freeze in Folly Beach?
Frost typically leaves Folly Beach by mid-March and returns to Folly Beach near mid-December.
What is the rainy season in Folly Beach?
Rainfall in Folly Beach peaks in August near 6.8 inches, out of about 48 inches annually.
What is the warmest month in Folly Beach?
Folly Beach peaks in July, when the mean runs near 81°F.
What is the coldest month in Folly Beach?
January is Folly Beach's coldest month, averaging about 51°F.
When can I start a vegetable garden in Folly Beach?
Around mid-March, start frost-hardy crops in Folly Beach; tomatoes and basil belong a fortnight later.
How many rainy days does Folly Beach get?
Folly Beach records around 218 days of measurable precipitation annually.
What hardiness zone is Folly Beach?
Because Folly Beach bottoms near 51°F in January, that winter low sets Folly Beach's USDA zone — verify by ZIP.
What is the 10-day forecast for Folly Beach?
Folly Beach'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 Folly Beach?
See this week's day-by-day rain chances for Folly Beach in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Folly Beach?
Current conditions for Folly Beach and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Folly Beach forecast updated?
The Folly Beach forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Folly Beach?
Day length in Folly Beach peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
How accurate is the weather forecast for Folly Beach?
The next few days in Folly Beach's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Folly Beach, South Carolina, the humid subtropical climate runs from about 51°F in January to 81°F in July, a 30°F seasonal range.

Rain and snow bring Folly Beach roughly 48 inches a year across approximately 218 measurable-precipitation days.

From 32.7°N, Folly Beach sees a 30°F seasonal swing that governs Folly Beach's planting and frost windows.

All cities in South Carolina →

Charleston, SC weather →

ZIP codes in Folly Beach

  • 29439
  • 29412

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.