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Forreston, IL

64°F
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Forreston

Illinois

64°
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Forreston, 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
Partly sunny and cold
25°
7°
28
Mostly cloudy and cold
25°
7°
29
Cold with periods of sun
26°
12°
30
Mostly cloudy and cold
25°
17°
31
Cloudy with a little snow
27°
10°
1
Windy with periods of snow
33°
6°
2
Remaining cloudy and cold
24°
6°
3
Cold with clouds and sun
22°
9°
4
Cold; an afternoon flurry
23°
22°
5
Not as cold; a morning flurry
32°
23°
6
An a.m. flurry, then wet snow
35°
7°
7
Cloudy with a little snow
36°
4°
8
Mostly cloudy
33°
1°
9
Mostly sunny and colder
20°
4°
10
Cold with periods of snow
22°
2°
11
Cold with clouds and sun
21°
2°
12
Partly sunny and frigid
19°
3°
13
Bitterly cold with some sun
17°
3°
14
Partly sunny and quite cold
20°
4°
15
Cold with partial sunshine
22°
5°
16
Mostly sunny and cold
21°
6°
17
Partly sunny and cold
23°
10°
18
Mostly cloudy and cold
23°
4°
19
Mostly cloudy and windy
24°
3°
20
Cold with clouds and sun
21°
11°
21
Cold with clouds and sun
23°
16°
22
Mostly cloudy
27°
22°
23
A bit of ice in the afternoon
34°
22°
24
Rain, freezing on surfaces
35°
23°
25
Rain, freezing on surfaces
36°
21°
26
Cloudy
35°
20°
27
Overcast with a little snow
35°
20°
28
Morning flurries; cloudy
34°
18°
29
Cloudy with a bit of snow
35°
16°
30
Cloudy
28°
14°
31
Periods of snow
27°
1°
1
A bit of ice in the morning
35°
7°
2
A bit of morning snow; cloudy
28°
11°
3
Hist. Avg.
30°
12°
4
Hist. Avg.
30°
12°
5
Hist. Avg.
31°
13°
6
Hist. Avg.
31°
13°

Temperature Graph

°F
40° 32° 24° 16° 8° 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 Forreston

Forreston's January 2027 forecast shows daily high temperatures ranging from 17° to 36°, with overnight lows between 1° and 23°. The average high for January is 27° with an average low of 11°. 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 Forreston. See also: February | March | April.

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World North America United States Illinois Forreston

Weather Near Forreston:

  • Belvidere, IL
  • Freeport, IL
  • Rockford, IL
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