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Weather in Winnebago County, Illinois for March 2026

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

    Official Weather Alert ⚠️

  • Special Weather Statement - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Winnebago County during March is quite rare, with fewer than 2 snowy days on average.
    According to Winnebago County snow forecast for March 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, March 2026 in Winnebago County is cooler than usual, with temperatures averaging 5.8 °F, this is -3.2 °F below the typical seasonal average.

  • The forecast for the upcoming days in Winnebago County predicts a temperature of 15.4 °F, which is slightly above the historical average.

  • In general, the average temperature in Winnebago County at the beginning of March is 8 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.6 °F by the end of March.

    • Rain 🌧️

  • The climate of Winnebago County in March is notably wet, with an average of 14 rainy days, and a total of 152.8 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
1
Snow days
Average temperatures
9°/1°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Winnebago County Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
3°
2
Partly cloudy
8°
3
Overcast
10°
4
Patchy light drizzle
10°
5
Thundery outbreaks possible
8°
6
Partly cloudy
10°
7
Patchy rain possible
7°
8
Moderate rain
7°
9
Patchy rain possible
12°
10
Sunny
13°
11
Sunny
10°
12
Mist
11°
13
Patchy light drizzle
13°
14
Overcast
9°
15
Partly cloudy
12°
16
Partly cloudy
5°
17
Patchy rain possible
4°
18
Overcast
8°
19
Overcast
11°
20
Sunny
6°
21
Weather Alert Sunny
28°
22
Overcast
8°
23
Cloudy
12°
24
Overcast
12°
25
Patchy rain possible
15°
26
Fog
16°
27
Partly cloudy
7°
28
Sunny
5°
29
Sunny
15°
30
Patchy rain possible
14°
31
Cloudy
16°

Temperatures trend during March in Winnebago County

See the weather trend as well as the moving average line

March weather in Winnebago County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Overcast
Overcast
 3° /-3° 0 mm 0 cm
Mar. 2 Partly cloudy
Partly cloudy
 8° /-3° 0 mm 0 cm
Mar. 3 Overcast
Overcast
 10° /1° 0.3 mm 0 cm
Mar. 4 Patchy light drizzle
Patchy light drizzle
 10° /4° 20.3 mm 0 cm
Mar. 5 Thundery outbreaks possible
Thundery outbreaks possible
 8° /1° 11.7 mm 0 cm
Mar. 6 Partly cloudy
Partly cloudy
 10° /-1° 4 mm 0 cm
Mar. 7 Patchy rain possible
Patchy rain possible
 7° /0° 0 mm 0 cm
Mar. 8 Moderate rain
Moderate rain
 7° /-1° 9.6 mm 0 cm
Mar. 9 Patchy rain possible
Patchy rain possible
 12° /1° 0 mm 0 cm
Mar. 10 Sunny
Sunny
 13° /1° 4.2 mm 0 cm
Mar. 11 Sunny
Sunny
 10° /1° 20.4 mm 0 cm
Mar. 12 Mist
Mist
 11° /1° 0 mm 0 cm
Mar. 13 Patchy light drizzle
Patchy light drizzle
 13° /2° 0.5 mm 0 cm
Mar. 14 Overcast
Overcast
 9° /3° 5.9 mm 0 cm
Mar. 15 Partly cloudy
Partly cloudy
 12° /2° 12.8 mm 0 cm
Mar. 16 Partly cloudy
Partly cloudy
 5° /-2° 3.8 mm 0.9 cm
Mar. 17 Patchy rain possible
Patchy rain possible
 4° /-6° 0 mm 0 cm
Mar. 18 Overcast
Overcast
 8° /-2° 2.2 mm 1.6 cm
Mar. 19 Overcast
Overcast
 11° /1° 1.4 mm 0 cm
Mar. 20 Sunny
Sunny
 6° /-1° 6.9 mm 0 cm
Mar. 21 Sunny
Sunny
 28° /5° 0 mm 0 cm
Mar. 22 Overcast
Overcast
 8° /2° 0 mm 0 cm
Mar. 23 Cloudy
Cloudy
 12° /-2° 0 mm 0 cm
Mar. 24 Overcast
Overcast
 12° /-2° 0 mm 0 cm
Mar. 25 Patchy rain possible
Patchy rain possible
 15° /6° 0.8 mm 0 cm
Mar. 26 Fog
Fog
 16° /6° 0 mm 0 cm
Mar. 27 Partly cloudy
Partly cloudy
 7° /-1° 0 mm 0 cm
Mar. 28 Sunny
Sunny
 5° /-1° 0 mm 0 cm
Mar. 29 Sunny
Sunny
 15° /-2° 0 mm 0 cm
Mar. 30 Patchy rain possible
Patchy rain possible
 14° /4° 0.2 mm 0 cm
Mar. 31 Cloudy
Cloudy
 16° /3° 0.1 mm 0 cm
Next
Important Notice
Our weather forecast for Winnebago County in March 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.
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Winnebago County in March - FAQ

What are the expected maximum and minimum temperatures in Winnebago County during March?

Prepare for cooler days with highs just around 9° and colder nights, dipping below 1°.

How much rainfall should be expected in Winnebago County during March?

Significant rainfall exceeding 152.8 mm is expected in Winnebago County during March, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Winnebago County in March 2026?

Winnebago County typically sees 0.72 cm of snowfall during March.

What are the typical wind conditions in Winnebago County during March?

The average wind speed in Winnebago County during March is 28 km/h, suggesting breezy to windy conditions, depending on your activities.

Winnebago County snow forecast March 2026

Track daily snowfall levels and discover Winnebago County’s snowy potential this March ❄️
On average, Winnebago County sees 1 snowy days during March, with approximately 0.7 cm of total snowfall.

March rainfall patterns in Winnebago County

Explore the daily rainfall trends and prepare for Winnebago Countys March weather 💧
Typically, Winnebago County has 14 rainy days in March with a total of 152.8 mm of rainfall.

UV exposure in Winnebago County during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
Top locations in Winnebago County
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Rockford
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Location coordinates Where is Winnebago County?

Get accurate weather forecasts for Winnebago County, located at latitude 42.271 and longitude -89.094. Stay updated with localized weather information tailored for Winnebago County.

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