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WeatherLive › Illinois › Decatur

Decatur, IL Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherDecatur · 2:55 PM CST
47° | 36°
46°F
Feels like 40°
Mostly cloudy
WindN 16 mph · Gusts 25 mph
Precip36% · 0.01 in
Humidity47% · Dew point 27°
UV index2 Low
Air Quality30 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:37 AM · 4:42 PM · 10h 5m

Weather map — Decatur

Full radar →
Now
46°
9%
16 mph
15:00
46°
11%
16 mph
16:00
44°
9%
15 mph
17:00
42°
4%
14 mph
18:00
41°
3%
13 mph
19:00
39°
4%
13 mph
20:00
38°
4%
12 mph
21:00
37°
4%
12 mph
22:00
37°
5%
11 mph
23:00
36°
5%
11 mph
00:00
35°
6%
11 mph
01:00
36°
8%
11 mph
02:00
36°
10%
11 mph
03:00
36°
13%
11 mph
04:00
35°
16%
11 mph
05:00
35°
18%
11 mph
06:00
35°
20%
10 mph
07:00
35°
19%
10 mph
08:00
35°
17%
11 mph
09:00
37°
17%
11 mph
10:00
38°
12%
12 mph
11:00
40°
9%
12 mph
12:00
41°
8%
12 mph
13:00
42°
11%
13 mph

Today · Thu 11/12

High 47°
36% / 0.01 in

Sunny. Winds N at 16 mph.

Tonight · Thu 11/12

Low 35°
4% / –

Sunny. Winds NW at 12 mph.

Tomorrow · Fri 11/13

42° | 33°
36% / 0.02 in

Sunny. Winds N at 13 mph.

7-day trend

Decatur · temperature + precipitation

10-day forecast

Updated 2:55 PM

Details & indices

Wind
16 mph N
Gusts 25 mph
Humidity
47%
Dew point 27°
Pressure
29.94 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 30 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Decatur

🌿 Conditions right now

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

Sun & moon

Sunrise6:37 AM
Sunset4:42 PM
Length of day10h 5m
Moonrise10:03 AM
Moonset6:53 PM
Moon phase🌒 Waxing Crescent · 12%
Next full moonNov 24 Beaver Moon
Latitude39.8403°N
Longitude-88.9548°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
Fair
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Fair
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in Illinois
Chicago
Partly cloudy
45° 🌤️
Aurora
—
—
Rockford
Mostly cloudy
41° 🌤️
Joliet
—
— 🌤️
Naperville
—
—
NBM + global weather models
Updated: 2:55 PM
Decatur, IL · Elev 673 ft · 39.84°N, 88.95°W · Illinois · Forecast computed for these exact coordinates
ZIP codes in Decatur

62514 · 62521 · 62522 · 62523 · 62524 · 62525 · 62526 · 62532 · 62537 · 62551

Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:55 PM