Heavy rainfall
MonAround 42 mm expected. Watch for ponding and flash flooding.
Rainfall
SatAround 21 mm expected.
Heat advisory
SunFeels-like high near 30°C.
Thunderstorms
SunStorms in the forecast window. Lightning risk outdoors.
Charleston Weather
77°
Partly cloudy
Feels like 77°
79°
75°
today's high / low
86
Perfect
Outdoor comfort right now
It is 77°F and partly cloudy in Charleston. Heavy rain moves in around 9am, clearing by 6pm. Tomorrow: thunderstorm, high 81°F.
- Pressure steady slowly 30.06 inHg
- 48h+ since rain
- Wind 5 mph N
- Humidity 91%
- Cloud 88%
- UV peak 3
- Rain chance 73%
Next 48 hours
Scroll sideways — or pick a day below.
Now
1
6am
17%
3
7am
22%
3
8am
32%
3
9am
42%
3
10am
40%
3
11am
38%
3
12pm
53%
4
1pm
73%
5
2pm
53%
6
3pm
42%
6
4pm
44%
6
5pm
41%
6
6pm
37%
5
7pm
55%
5
8pm
34%
5
9pm
23%
5
10pm
25%
5
11pm
31%
5
12am
Sun
34%
5
1am
41%
4
2am
41%
4
3am
41%
4
4am
43%
3
5am
45%
3
6am
43%
2
7am
47%
2
8am
38%
2
9am
42%
2
10am
40%
3
11am
37%
3
12pm
34%
4
1pm
49%
4
2pm
55%
5
3pm
58%
6
4pm
57%
7
5pm
44%
7
6pm
77%
5
7pm
68%
4
8pm
57%
4
9pm
82%
4
10pm
82%
5
11pm
82%
4
12am
Mon
81%
4
1am
81%
3
2am
88%
3
3am
88%
3
4am
88%
3
Conditions in detail
-
Feels like
77°
About what it looks like
-
Dew point
75°
Muggy
-
Wind
5 mph
Gusting 7 mph from N
-
Pressure
29.91 inHg
Steady slowly
-
Visibility
9.9 mi
Clear
-
UV index
0
Peaks at 3 today
-
Cloud cover
88%
—
-
Precipitation today
0.83"
Over about 12h
Air quality
US AQI
41
Good
- PM2.5 6 µg/m³
- PM10 7 µg/m³
- Ozone 38 µg/m³
- NO₂ 8 µg/m³
Next 14 days
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Live radar
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Best time to…
Scored hour by hour across the next two days.
-
Patio or BBQ
99Sat 5am–10am
Warm, dry, and not too breezy
-
Ride a bike
85Sat 5am–9am
Wind matters more than temperature
-
Golden-hour photos
84Sat 8am–8am
Scattered cloud catches the light
-
Walk the dog
81Sat 5am–10am
Mild, no downpours, no ice
-
Garden work
74Sat 5pm–9pm
Mild and dry, sun optional
-
Stargazing
62Sat 5am–5am
Clear, dark and calm
-
Line-dry laundry
47No good window in the next 48h
Dry air plus a working breeze
-
Go for a run
44No good window in the next 48h
Cool, calm and dry
Sun & moon
Sunrise
7:15 am
Sunset
7:01 pm
- Day length11h 46m
- Golden hour6:06 pm–7:01 pm
Last quarter
54% illuminated
Full moon in 23 days
Stargazing tonight
Poor · 18/100
Clearest around 5am at 29% cloud.
Almanac
Historical records for this location are still loading, or unavailable.
Charleston weather questions, answered
- Will it rain in Charleston today?
- It is dry now. Rain is most likely around 9am, easing by 6pm. The day peaks at a 73% chance.
- How warm does it get in Charleston today?
- Charleston reaches a high of 79°F and drops to 75°F overnight. Right now it is 77°F and feels like 77°F.
- What is the best time to be outside in Charleston today?
- 9pm looks like the pick — 76°F, overcast, wind 5 mph. Outdoor comfort scores 79 out of 100 (great).
- What is the weather in Charleston tomorrow?
- Thunderstorm, with a high of 81°F and a low of 74°F — about the same as today. Chance of precipitation peaks at 82%.
- What time is sunrise and sunset in Charleston?
- The sun rises at 7:15 am and sets at 7:01 pm, giving 11h 46m of daylight.
About this Charleston forecast
Updated 2026-10-03 10:16 UTC, and refreshed automatically every few minutes. Forecast data is provided by Visual Crossing; radar frames from RainViewer; the 20-year normals and records from the ERA5 reanalysis archive. No national weather service publishes point alerts here, so only computed watches are shown.
Watches labelled computed are worked out on this site from forecast thresholds and are not official warnings — always defer to your national weather service. Need help reading a number? See the sourced weather guide.
Weather near Charleston
Forecasts for the closest places we publish.
- Charlotte 285 km
- Jacksonville 317 km
- Raleigh 354 km
- Atlanta 428 km
- Orlando 491 km
- Richmond 576 km
- Virginia Beach 579 km
- Tampa 589 km