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Dewey, IL

55°F
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Dewey

Illinois

55°
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Dewey, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

January

January February March April May June July August September October November December

2027

2025 2026 2027

10-Day

S
M
T
W
T
F
S
27
Sunny spells
30°
10°
28
Times of clouds and sun
29°
11°
29
Mostly sunny
29°
14°
30
A blend of sun and clouds
30°
19°
31
Cloudy with afternoon snow
30°
12°
1
Cloudy with a little snow
34°
7°
2
Cloudy with a little snow
29°
6°
3
Very cold with some sun
25°
11°
4
Mostly sunny
26°
24°
5
A bit of snow; not as cold
35°
25°
6
A mix of snow, ice and rain
38°
14°
7
Ice and rain
39°
8°
8
Cloudy and stiff winds
36°
6°
9
Partly sunny and colder
25°
9°
10
Rather cloudy, afternoon snow
28°
5°
11
Cloudy
28°
4°
12
Very cold with some sun
24°
4°
13
Mainly cloudy and very cold
22°
5°
14
Mostly sunny and cold
25°
5°
15
Partly sunny and cold
25°
7°
16
Plenty of sunshine
26°
9°
17
Brilliant sunshine
28°
12°
18
A little afternoon snow
27°
7°
19
Very windy; a little snow
28°
6°
20
Cloudy and quite cold
24°
10°
21
Clouds and sun
27°
21°
22
Clouds and sun
32°
23°
23
An afternoon shower
38°
25°
24
Rain; some ice mixed in early
41°
22°
25
Cloudy with ice, then rain
42°
23°
26
Cloudy
40°
22°
27
Remaining cloudy
39°
21°
28
Mostly cloudy
40°
22°
29
Snow and rain in the p.m.
39°
19°
30
Mostly cloudy
31°
16°
31
Mostly cloudy
31°
13°
1
Hist. Avg.
35°
16°
2
Hist. Avg.
35°
16°
3
Hist. Avg.
35°
17°
4
Hist. Avg.
35°
17°
5
Hist. Avg.
36°
17°
6
Hist. Avg.
36°
17°

Temperature Graph

°F
50° 40° 30° 20° 10° Jan
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

January Weather in Dewey

Dewey's January 2027 forecast shows daily high temperatures ranging from 22° to 42°, with overnight lows between 4° and 25°. The average high for January is 31° with an average low of 13°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Dewey. See also: February | March | April.

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World North America United States Illinois Dewey

Weather Near Dewey:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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