Best time to visit Portage, WI

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Portage runs from July through October — 4 months of pleasant temperatures and modest rainfall.

January Cold
High
26.1°F
Low
9.9°F
Precip
1.44 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 6m

February Cold
High
30.6°F
Low
13.2°F
Precip
1.41 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 10h 16m

March Cold
High
42.4°F
Low
24.0°F
Precip
2.18 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 11h 42m

April Cool
High
55.7°F
Low
35.8°F
Precip
4.15 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 13h 13m

May Good
High
68.2°F
Low
47.8°F
Precip
4.58 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 31m

June Wet
High
77.9°F
Low
57.9°F
Precip
5.61 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 15h 11m

July Good
High
81.6°F
Low
61.6°F
Precip
4.51 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 14h 56m

August Good
High
79.9°F
Low
59.4°F
Precip
4.12 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 48m

September Excellent
High
72.6°F
Low
50.7°F
Precip
3.56 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 12h 17m

October Good
High
59.3°F
Low
39.0°F
Precip
2.86 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 46m

November Cold
High
44.2°F
Low
28.3°F
Precip
2.22 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 9h 26m

December Cold
High
31.8°F
Low
17.1°F
Precip
1.68 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 46m

Looking for similar climates? See Portage's climate twins. Or jump straight to the full climate profile.