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Hourly Forecast
Daylight Hours
06:37
Sunrise
18:54
Sunset
Moon
Waxing Crescent
11:36
Moonrise
20:21
Moonset
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Weather in South Milwaukee today, September 15, 2026
Expect a muted, overcast feel in South Milwaukee on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 100% around 09:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 17°C up to 25°C. Relative humidity sits between 82% and 96%, reaching its peak around 09:00. A lighter breeze peaks around 11:00 near 5.8 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 12.7 km, with poorer spells close to 2.4 km. Expect sunrise at 06:37, sunset at 18:54, and 12 hours 16 minutes of sunlight today overall.
The practical takeaway for South Milwaukee on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 25°C.
Frequently asked questions about weather in South Milwaukee
How warm does it get in South Milwaukee?
The warmest month in South Milwaukee is August, with average high temperatures of 23°C. The average temperature during this period is around 21°C.
How cold does it get in South Milwaukee?
The coldest month in South Milwaukee is January, with average low temperatures of -4°C. The average temperature during this period is around -3°C.
What is the wettest time of year in South Milwaukee?
The wettest month in South Milwaukee is October, with an average of 111mm of precipitation.
What is the driest time of year in South Milwaukee?
The driest month in South Milwaukee is February, with an average of 56mm of precipitation.
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