New York, NY 68° Los Angeles, CA 69° Chicago, IL 61° 🌤️ Houston, TX Miami, FL 78° 🌤️ Phoenix, AZ Seattle, WA 58° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 61°
WeatherLive › Illinois › Charleston

Charleston, IL Weather (61920)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCharleston · 5:45 AM CDT
82° | 59°
60°F
Feels like 58°
Sunny
WindNW 7 mph · Gusts 9 mph
Precip7% · –
Humidity87% · Dew point 56°
UV index8 Very high
Air Quality16 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:12 AM · 7:37 PM · 13h 25m

Weather map — Charleston

Full radar →
Now
60°
12%
7 mph
06:00
59°
13%
7 mph
07:00
60°
14%
7 mph
08:00
65°
11%
8 mph
09:00
69°
7%
9 mph
10:00
74°
4%
9 mph
11:00
79°
2%
8 mph
12:00
82°
1%
7 mph
13:00
82°
1%
6 mph
14:00
82°
1%
6 mph
15:00
82°
1%
7 mph
16:00
75°
10%
6 mph
17:00
75°
3%
4 mph
18:00
75°
5%
2 mph
19:00
73°
7%
1 mph
20:00
68°
22%
1 mph
21:00
67°
22%
2 mph
22:00
66°
23%
3 mph
23:00
65°
24%
3 mph
00:00
65°
23%
4 mph
01:00
64°
22%
4 mph
02:00
63°
22%
4 mph
03:00
63°
16%
4 mph
04:00
63°
9%
5 mph

Today · Sun 8/23

High 82°
7% / –

Sunny. Winds NW at 9 mph.

Overnight · Sun 8/23

Low 59°
— / –

Sunny.

Tomorrow · Mon 8/24

76° | 62°
16% / –

Mostly cloudy. Winds SW at 6 mph.

7-day trend

Charleston · temperature + precipitation

10-day forecast

Updated 5:45 AM

Details & indices

Wind
7 mph NW
Gusts 9 mph
Humidity
87%
Dew point 56°
Pressure
30.03 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Good
AQI 16 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Charleston

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:12 AM
Sunset7:37 PM
Length of day13h 25m
Moonrise5:19 PM
Moonset1:24 AM
Moon phase🌔 Waxing Gibbous · 80%
Next full moonAug 27 Sturgeon Moon
Latitude39.4962°N
Longitude-88.1762°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Chicago
Sunny
61°
Aurora
Sunny
59° 🌤️
Rockford
—
— 🌤️
Joliet
—
—
Naperville
Sunny
62°
Data sources · Sunday, August 23
Where the Charleston forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 39.4962°N, -88.1762°.
NBM + global weather models
Updated: 5:45 AM
ZIP codes in Charleston
📮
61912
Charleston
 📮
61920
Charleston
 📮
61943
Charleston
 📮
62435
Charleston
 📮
62440
Charleston
 📮
62474
Charleston
Weather in Charleston
The 10-day span for Charleston runs from a high near 82° on Sunday down to 59° overnight on Sunday. About 1.0 in of precipitation is expected in total; the most likely wet day is Monday (87% chance). Expect a blustery spell — gusts near 38 mph on Monday. The NWS alert board for this area is currently clear. Right now Charleston is about 16° cooler than nearby Louisville. Longer view: variable mid-latitude weather in every season.
Charleston, IL · Elev 669 ft · 39.50°N, 88.18°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:45 AM