easeweather.com
Winnebago County (Rockford)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Rockford (IL)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWinston-Salem (NC) More Locations
United States weather

Weather in Winnebago County, Illinois for January 2027

Your guide to Winnebago County weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 5 snowy days, Winnebago County usually enjoys a light touch of snow in January.

    • Temperatures

  • In general, the average temperature in Winnebago County at the beginning of January is -0.8 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of -1.3 °C by the end of January.

    • More

  • Is January a good time to visit Winnebago County? check out the best time to travel to Winnebago County page.

  • ✨ Is January a good time to visit Winnebago County? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
2
Rainy days
Average snowy days
5
Snow days
Average temperatures
-3°/-9°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Winnebago County Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
-1°
2
Cloudy
0°
3
Light freezing rain
-1°
4
Sunny
-2°
5
Light snow
-1°
6
Light snow
0°
7
Overcast
0°
8
Light snow
0°
9
Light snow
3°
10
Light snow
0°
11
Mist
-1°
12
Moderate rain
1°
13
Moderate snow
-1°
14
Light snow
-7°
15
Freezing fog
-8°
16
Light snow
-5°
17
Overcast
-5°
18
Freezing fog
-6°
19
Overcast
-10°
20
Mist
-9°
21
Light snow
-8°
22
Light snow
-5°
23
Light sleet
-7°
24
Light freezing rain
-6°
25
Light snow
-2°
26
Light snow
-3°
27
Overcast
-2°
28
Overcast
-1°
29
Freezing fog
-1°
30
Light snow
-1°
31
Moderate rain
1°

Temperatures trend during January in Winnebago County

See the weather trend as well as the moving average line

January weather in Winnebago County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Sunny
Sunny
 -1° /-6° 0 mm 0 cm
Jan. 2 Cloudy
Cloudy
 0° /-5° 0 mm 0 cm
Jan. 3 Light freezing rain
Light freezing rain
 -1° /-6° 0 mm 0 cm
Jan. 4 Sunny
Sunny
 -2° /-8° 0 mm 0 cm
Jan. 5 Light snow
Light snow
 -1° /-5° 0.1 mm 0.1 cm
Jan. 6 Light snow
Light snow
 0° /-2° 0.6 mm 0.5 cm
Jan. 7 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 8 Light snow
Light snow
 0° /-4° 18.3 mm 0.3 cm
Jan. 9 Light snow
Light snow
 3° /-3° 12.3 mm 1.8 cm
Jan. 10 Light snow
Light snow
 0° /-4° 2.6 mm 1.8 cm
Jan. 11 Mist
Mist
 -1° /-7° 0.4 mm 0.3 cm
Jan. 12 Moderate rain
Moderate rain
 1° /-3° 11.2 mm 0.9 cm
Jan. 13 Moderate snow
Moderate snow
 -1° /-9° 1 mm 0 cm
Jan. 14 Light snow
Light snow
 -7° /-14° 0.1 mm 0 cm
Jan. 15 Freezing fog
Freezing fog
 -8° /-18° 0 mm 0 cm
Jan. 16 Light snow
Light snow
 -5° /-14° 3.4 mm 2.5 cm
Jan. 17 Overcast
Overcast
 -5° /-13° 0 mm 0 cm
Jan. 18 Freezing fog
Freezing fog
 -6° /-15° 0.1 mm 0 cm
Jan. 19 Overcast
Overcast
 -10° /-17° 0.3 mm 0.2 cm
Jan. 20 Mist
Mist
 -9° /-20° 0 mm 0 cm
Jan. 21 Light snow
Light snow
 -8° /-17° 2.5 mm 1.8 cm
Jan. 22 Light snow
Light snow
 -5° /-12° 1.2 mm 0.8 cm
Jan. 23 Light sleet
Light sleet
 -7° /-12° 4.1 mm 0 cm
Jan. 24 Light freezing rain
Light freezing rain
 -6° /-13° 2.2 mm 0 cm
Jan. 25 Light snow
Light snow
 -2° /-7° 2.3 mm 0 cm
Jan. 26 Light snow
Light snow
 -3° /-9° 2.4 mm 0 cm
Jan. 27 Overcast
Overcast
 -2° /-8° 0.1 mm 0 cm
Jan. 28 Overcast
Overcast
 -1° /-9° 0 mm 0 cm
Jan. 29 Freezing fog
Freezing fog
 -1° /-8° 0 mm 0 cm
Jan. 30 Light snow
Light snow
 -1° /-6° 0.1 mm 0.1 cm
Jan. 31 Moderate rain
Moderate rain
 1° /-6° 13.3 mm 0 cm
Next
Important Notice
Our weather forecast for Winnebago County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Winnebago County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Winnebago County in January - FAQ

What are the expected maximum and minimum temperatures in Winnebago County during January?
Brace for cold days with temperatures not exceeding -3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Winnebago County during January?
Moderate rainfall is anticipated in Winnebago County during January, with a total of 78.5 mm spread over approximately 2 days. Considering plans for rainy days is advisable.

Will it snow in Winnebago County in January 2027?
Winnebago County experiences an average snowfall of 11.1 cm during January, occurring over 5 days.

What are the typical wind conditions in Winnebago County during January?
The average wind speed in Winnebago County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Winnebago County snow forecast January 2027

Track daily snowfall levels and discover Winnebago County’s snowy potential this January ❄️
On average, Winnebago County sees 5 snowy days during January, with approximately 11.1 cm of total snowfall.

January rainfall patterns in Winnebago County

Explore the daily rainfall trends and prepare for Winnebago Countys January weather 💧
Typically, Winnebago County has 2 rainy days in January with a total of 78.5 mm of rainfall.
Top locations in Winnebago County
Select a location for an accurate weather forecast
Rockford
More Locations
Quick links
More Winnebago County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.