Portage, WI Weather & Climate Normals
Portage's real weather, in one number
Portage, WI scores 42/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Portage's hottest and coldest months
Portage's hottest month is Jul, averaging 72°F; its coldest is Jan, averaging 19°F, a 52.9°F swing across the year, one of the widest gaps in this dataset.
Portage's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 28°F | 10°F | 1.35in | 11.3in |
| Feb | 32°F | 13°F | 1.36in | 10.1in |
| Mar | 44°F | 23°F | 2.21in | 5.9in |
| Apr | 57°F | 34°F | 4.16in | 2.6in |
| May | 70°F | 46°F | 4.28in | 0in |
| Jun | 79°F | 56°F | 5.58in | 0in |
| Jul | 83°F | 60°F | 4.79in | 0in |
| Aug | 81°F | 58°F | 4.53in | 0in |
| Sep | 74°F | 50°F | 3.85in | 0in |
| Oct | 61°F | 38°F | 2.91in | 0.4in |
| Nov | 46°F | 28°F | 2.2in | 2.1in |
| Dec | 33°F | 17°F | 1.68in | 10.3in |
May, Jun, Jul, Aug, and Sep are the best time to see Portage at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Portage
Portage averages 38.9in of precipitation a year across roughly 119 days with measurable rain or snow, and 42.7in of snow a year.
Where Portage ranks
Portage ranks 4264 of 4876 US cities in this dataset for comfort score, and 108 of 157 within WI. About 9,975 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Baraboo, WI US, 14.5 miles from Portage, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station