Milwaukee, WI Weather
Milwaukee hourly forecast: next 24 hours
Today's high of 84°F (29°C) is about 5°F (3°C) above the typical August high of 79°F (26°C).
Current conditions in detail
Milwaukee weather tomorrow (Thursday, August 27)
Tomorrow in Milwaukee looks sunny, with a high of 80° and an overnight low of 62°. Rain is unlikely (5% chance). Winds top out near 10 mph, and the UV index reaches 7 (high).
Milwaukee 14-day forecast
About the weather in Milwaukee
Milwaukee runs one of the wider annual swings in our dataset: 27°C separates the average July from the average January. Afternoons reach 80°F (26°C) at the peak of summer and 30°F (-1°C) at the depth of winter, with 120 days of measurable precipitation through the year.
Milwaukee weather: quick facts
- Hottest month: July - highs near 80°F (26°C)
- Coldest month: January - highs near 30°F (-1°C)
- Decade extremes (2015-2024): 100°F (38°C) high · -24°F (-31°C) low
- Wettest month: June (11 rainy days) · Sunniest: July (12.4 h sun/day)
- Climate type: humid continental
- Annual swing: 27°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 19 days a year
- Months with freezing average lows: 4
- Average humidity: 72%
Temperatures through the year
July is the warm end of the year, averaging 80°F (26°C) by day and 65°F (18°C) overnight. January bottoms out at 30°F (-1°C) in daylight, 18°F (-8°C) after dark. Snow falls on roughly 19 days a year, mostly November through April.
Rain, sun and snow
Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September. Between the average July and the average January lie 27°C, a wider spread than 90% of the 3496 cities in our dataset. Sunshine averages 8.6 hours a day over the year, peaking in July at 12.4 hours. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum -24°F (-31°C).
Season by season
Spring (March through May)
Spring in Milwaukee is chilly, with daytime highs averaging 53°F (11°C) and nights around 38°F (3°C); rain falls on around 36 of the 90 days, plus about 5 snowy days.
Summer (June through August)
Summer settles into easy warmth here - highs near 77°F (25°C), nights near 62°F (17°C), and rain falls on around 31 of the 90 days. Daylight is generous - around 11.8 hours of sun a day.
Fall (September through November)
Fall in Milwaukee is mild, with daytime highs averaging 60°F (16°C) and nights around 47°F (8°C); expect showers on roughly 29 days across the season.
Winter (December through February)
Winter in Milwaukee is frigid, with daytime highs averaging 34°F (1°C) and nights around 20°F (-6°C); expect showers on roughly 24 days across the season, plus about 12 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Milwaukee by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 30° | 18° | 9 | 2.1 in | 5.3 h/day | 74% |
| February | 33° | 18° | 7 | 1.9 in | 7.1 h/day | 70% |
| March | 42° | 28° | 11 | 2.9 in | 8.0 h/day | 71% |
| April | 52° | 37° | 13 | 4.1 in | 8.9 h/day | 70% |
| May | 63° | 48° | 12 | 4.3 in | 10.2 h/day | 72% |
| June | 74° | 58° | 11 | 4.4 in | 11.7 h/day | 72% |
| July | 80° | 65° | 10 | 3.2 in | 12.4 h/day | 73% |
| August | 79° | 64° | 10 | 3.1 in | 11.4 h/day | 73% |
| September | 73° | 59° | 10 | 3.8 in | 9.5 h/day | 74% |
| October | 60° | 47° | 11 | 3.8 in | 7.3 h/day | 70% |
| November | 47° | 34° | 8 | 2.2 in | 6.1 h/day | 70% |
| December | 37° | 25° | 8 | 2.2 in | 4.9 h/day | 73% |