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Weather in Portage County, Wisconsin for January 2026

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

    Temperatures

  • In general, the average temperature in Portage County at the beginning of January is -5.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of -0.1 °F by the end of January.

  • Rain 🌧️

  • Portage County experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 7.8 mm.

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Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
-6°/-12°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Portage County Weather January

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Temperatures trend during January in Portage County

See the weather trend as well as the moving average line

January weather in Portage County day by day

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Date Weather Temperatures Rain UV More
Jan. 1 Cloudy
Cloudy
-2° /-6° 0.5 mm 1
Jan. 2 Sunny
Sunny
-3° /-7° 0.2 mm 2
Jan. 3 Partly cloudy
Partly cloudy
-6° /-11° 0.1 mm 2
Jan. 4 Sunny
Sunny
-9° /-15° 0 mm 2
Jan. 5 Cloudy
Cloudy
-9° /-16° 0 mm 1
Jan. 6 Cloudy
Cloudy
-4° /-9° 0 mm 1
Jan. 7 Overcast
Overcast
-6° /-11° 0 mm 1
Jan. 8 Overcast
Overcast
-8° /-13° 0 mm 1
Jan. 9 Overcast
Overcast
-4° /-11° 0 mm 1
Jan. 10 Light freezing rain
Light freezing rain
-3° /-7° 1.1 mm 1
Jan. 11 Light freezing rain
Light freezing rain
-4° /-9° 0.6 mm 1
Jan. 12 Light freezing rain
Light freezing rain
-1° /-7° 2.5 mm 1
Jan. 13 Sunny
Sunny
-8° /-17° 0 mm 2
Jan. 14 Sunny
Sunny
-11° /-18° 0 mm 2
Jan. 15 Light freezing rain
Light freezing rain
-7° /-18° 0.7 mm 1
Jan. 16 Overcast
Overcast
-1° /-8° 0 mm 1
Jan. 17 Overcast
Overcast
0° /-4° 0 mm 1
Jan. 18 Overcast
Overcast
-5° /-15° 0 mm 1
Jan. 19 Partly cloudy
Partly cloudy
-17° /-21° 0 mm 2
Jan. 20 Overcast
Overcast
-19° /-23° 0 mm 1
Jan. 21 Partly cloudy
Partly cloudy
-18° /-26° 0 mm 2
Jan. 22 Light freezing rain
Light freezing rain
-7° /-18° 1.1 mm 1
Jan. 23 Sunny
Sunny
-11° /-16° 0 mm 2
Jan. 24 Overcast
Overcast
-9° /-21° 0.2 mm 1
Jan. 25 Light freezing rain
Light freezing rain
-3° /-10° 0.3 mm 1
Jan. 26 Cloudy
Cloudy
-5° /-14° 0 mm 1
Jan. 27 Light freezing rain
Light freezing rain
0° /-8° 0.5 mm 1
Jan. 28 Overcast
Overcast
1° /-8° 0 mm 1
Jan. 29 Overcast
Overcast
0° /-4° 0 mm 1
Jan. 30 Sunny
Sunny
6° /-5° 0 mm 3
Jan. 31 Mist
Mist
0° /-6° 0 mm 1
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Important Notice
Our weather forecast for Portage 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 Portage County forecast closer to your planned date for the most up-to-date weather information.

Portage County in January - FAQ

What are the expected maximum and minimum temperatures in Portage County during January?
Brace for cold days with temperatures not exceeding -6° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Portage County during January?
Rainfall in Portage County during January is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 8 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
Will it snow in Portage County in January 2026?
Portage County typically sees 0 cm of snowfall during January.
What are the typical wind conditions in Portage County during January?
The average wind speed in Portage County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Portage County

Explore the daily rainfall trends and prepare for Portage Countys January weather 💧
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Location coordinates Where is Portage County?

Get accurate weather forecasts for Portage County, located at latitude 44.524 and longitude -89.575. Stay updated with localized weather information tailored for Portage County.

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