Edisto, South Carolina Weather

Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →

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

Edisto, SC
Monday, September 21 at 10:26 AM
77
°
Overcast
Feels like
86°
Humidity
90%
Wind
3 mph
Sunrise
7:11 AM
Sunset
7:21 PM

Conditions updated 10:26 AM EDT · Open-Meteo

Edisto, SC
Hour by hour · 24h
24-Hour ForecastEdisto, SC: 24-hour forecast. Temperatures range from 71 to 93 degrees Fahrenheit.
L 71°H 93°
Edisto, SC
7-day forecast
  1. Today
    Sep 21
    Clear later
    93°69°
  2. Tuesday
    Sep 22
    Overcast
    37%
    89°71°-4°
  3. Wednesday
    Sep 23
    Overcast
    37%
    84°69°-5°
  4. Thursday
    Sep 24
    Light Showers
    69°61°-15°
  5. Friday
    Sep 25
    Clear
    78°56°+9°
  6. Saturday
    Sep 26
    Overcast
    80°54°+2°
  7. Sunday
    Sep 27
    Overcast
    82°57°+2°
Edisto, SC
Anemometer · 24h winds · from true
NESW
From · True
E
081° · veering 52°
Direction
E
081°
Sustained
3
mph
Gust
4
mph
Peak 24h
10
avg 3 mph
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 3 mph · pk 10 mph @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 155SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Edisto, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.7
+0.3 mb in 3h · steady · 29.96 inHg
Now
1014.7
mb
3h
+0.3
mb
12h
+0.7
mb
24h
-1.9
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131017
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1016.61012.51014.7
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 36 · Good
Edisto, SC
Air quality
36
AQI
Good
0 in 6hPeak ~47 @ 7 PM

AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.82 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.

PM 2.5DRIVERGood
7.5μg/m³
PM 10Good
9μg/m³
NO₂Good
3μg/m³
OzoneModerate
84μg/m³
UV IndexModerate
2.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 40 now. With UV 4.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22.

Present
AQI 40
UV peak
4.1 at 1 PM
Sky at peak
clear
Projected peak
AQI 22

PM × Wind × Precip

PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.82 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.82
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Edisto, SC
Sky cover · visibility · 24h
Cloud cover
92%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
7.9mi
GOOD
25 mi0 mi−24h−18h−12h−6hnow
Edisto, SC
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:47 AM
Sunrise
7:11 AM
Daylight
12h 10m
Sunset
7:21 PM
Civil dusk
7:48 PM
Planting note
September — harvest beans, summer squash, winter squash
Edisto, SC
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:39 PM
Moonset
2:03 AM
In sign
♑︎ Capricorn
Edisto, SC
Microseason
Sep 21–25

Thunder quiets the land

weather
Jan 172% of the yearDec 31

Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →

Edisto at a glance

  • Today vs. normal: Today averages 81°F (high 93°F, low 69°F), 7°F above the 74°F normal for Sep 21
  • Last frost: March 13 (1991–2020 median, NOAA station 3 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — harvest beans, summer squash, winter squash

16-Day Forecast — Edisto

  1. Mon93°69°3%
  2. Tue89°71°37%
  3. Wed84°69°37%
  4. Thu69°61°9%
  5. Fri78°56°1%
  6. Sat80°54°1%
  7. Sun82°57°3%
  8. Mon85°58°3%
  9. Tue86°61°8%
  10. Wed87°62°26%
  11. Thu87°64°15%
  12. Fri89°65°16%
  13. Sat81°68°23%
  14. Sun83°71°27%
  15. Mon73°68°16%
  16. Tue72°56°26%

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

Right now in the garden

Late season

As of September 21, the first frost (around November 15) is about 8 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: harvest beans, summer squash, and winter squash.

SPC Convective Outlook

Storm Prediction Center — Edisto

SPC includes Edisto in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook.

Sun & seasons in Edisto

Edisto sits in Orangeburg County, where the year’s longest day runs 14h 22m of daylight and its shortest just 9h 56m — a swing of +4h 27m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Charleston, the state’s largest city, lies about 71 miles to the SE. The nearest town Edisto tracks is Columbia, roughly 39 miles to the N.

Planting calendar

MonthPlantHarvest
Februarylettuce, peas, spinach, radishes
Marchlettuce, peas, spinach, radishesspinach, radishes
Apriltomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Maytomatoes, peppers, beans, squashlettuce, peas, spinach, beans, summer squash
Junebeans, squashtomatoes, peppers, beans, summer squash, garlic
Julytomatoes, peppers, beans, squashtomatoes, peppers, beans, summer squash, winter squash
Augusttomatoes, peppers, beans, squash, fall brassicas, carrotstomatoes, summer squash, winter squash
Septemberbeans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Novembertomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall brassicas, carrots

A year in weather

In Edisto, July runs warmest near 82°F and January coldest around 48°F, while July is the wettest month (5.8 inches) and November the driest (3.1 inches).

MonthMean tempPrecipRainy days
January48°4.010
February51°3.910
March58°3.99
April65°3.38
May73°4.09
June79°5.511
July82°5.811
August81°5.311
September76°4.59
October66°3.58
November56°3.18
December50°3.810

Regional context

Similar climates Orangeburg, SC, Cordova, SC, Wilkinson Heights, SC

Per NOAA NCEI 1991-2020 normals, Edisto runs from a 48°F January mean to 82°F in July, a 34°F seasonal spread, with near 50.5 inches of precipitation across about 113 wet days.

No season owns Edisto's rain: July reaches 5.8 inches across 11.0 days and November keeps 3.1 inches on 7.5, an even spread through Edisto's year. It is a balanced pattern Edisto shares with places like Orangeburg, SC, Cordova, SC and Wilkinson Heights, SC.

Edisto reaches its last hard frost near March 13; that is the cue for lettuce, chard, arugula, and mustard greens. Heat-demanding starts go out a fortnight on in Edisto, after the soil warms and cold snaps clear. By November 15, frost is back in Edisto — protect or harvest anything tender. Open lawns in Edisto whiten first when frost returns.

Similar climates: Orangeburg, SC, Cordova, SC, Wilkinson Heights, SC, Brookdale, SC, Rowesville, SC.

Frequently asked

When does it freeze in Edisto?
Frost typically leaves Edisto by March 13 and returns to Edisto near November 15.
What is the rainy season in Edisto?
Edisto sees its heaviest rain in July (around 5.8 inches), part of roughly 50 inches a year.
What is the warmest month in Edisto?
The warmest stretch in Edisto comes in July, around 82°F on average.
What is the coldest month in Edisto?
On average January is the chilliest month in Edisto, about 48°F.
When can I start a vegetable garden in Edisto?
Time tomatoes in Edisto for two weeks after March 13; peas and greens start at Edisto's frost line.
How many rainy days does Edisto get?
Expect roughly 113 wet days a year in Edisto.
What hardiness zone is Edisto?
Edisto's hardiness zone tracks its winter low; with January near 48°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Edisto?
Edisto'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 Edisto?
See this week's day-by-day rain chances for Edisto in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Edisto?
Current conditions for Edisto and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Edisto forecast updated?
The Edisto forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Edisto?
Today's sunrise and sunset times for Edisto 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 Edisto?
The next few days in Edisto's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Edisto sits at 33.5°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Edisto

  • 29115

Climate normals: NOAA NCEI 1991–2020 normals from the nearest station. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.