Wisconsin · NWS MKX office

Germantown, WI weather

It is 45°F and clear at Milwaukee-Timmerman as of Oct 28, 6:55 AM CDT. Today: Sunny, high near 73°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 4:32 AM CDT.

Updated Oct 28, 7:32 AM CDT (snapshot)

Current conditions

Temperature

45°F

Clear

Wind

Calm

Humidity 100% · dew point 45°F

Pressure · visibility

30.20 inHg

Visibility 7 mi

Observed at Milwaukee-Timmerman (KMWC), Oct 28, 6:55 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Germantown forecast zone right now.

Around the NWS MKX forecast area

No active alerts in zones served by the MKX office near Germantown.

From the alert snapshot of Oct 28, 2026, 8:14 AM EDT. No alerts are active anywhere in Wisconsin.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Germantown (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM50°FSunny0%SW 5 mph
Wed 8 AM52°FSunny0%SW 5 mph
Wed 9 AM56°FSunny0%SW 5 mph
Wed 10 AM60°FSunny0%SW 5 mph
Wed 11 AM64°FSunny0%SW 5 mph
Wed 12 PM68°FSunny0%S 5 mph
Wed 1 PM71°FSunny0%S 10 mph
Wed 2 PM72°FSunny0%S 10 mph
Wed 3 PM72°FSunny0%S 10 mph
Wed 4 PM71°FSunny1%S 10 mph
Wed 5 PM69°FSunny1%S 10 mph
Wed 6 PM66°FMostly Clear2%S 10 mph
Wed 7 PM63°FPartly Cloudy4%S 10 mph
Wed 8 PM63°FMostly Clear4%S 10 mph
Wed 9 PM63°FPartly Cloudy5%S 10 mph
Wed 10 PM63°FPartly Cloudy6%S 10 mph
Wed 11 PM63°FPartly Cloudy8%S 10 mph
Thu 12 AM63°FSlight Chance Rain Showers18%SW 10 mph
Thu 1 AM62°FChance Showers And Thunderstorms28%SW 10 mph
Thu 2 AM62°FChance Showers And Thunderstorms39%SW 10 mph
Thu 3 AM61°FChance Showers And Thunderstorms50%SW 10 mph
Thu 4 AM60°FChance Rain Showers34%SW 10 mph
Thu 5 AM60°FSlight Chance Rain Showers17%SW 10 mph
Thu 6 AM59°FPartly Sunny12%SW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Germantown can differ.

7-day forecast

Today

High 73°F·Low 58°F

Sunny, with a high near 73. Southwest wind 5 to 10 mph.

Tonight: A slight chance of rain showers between midnight and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday

High 68°F·Low 39°F

Mostly sunny. High near 68, with temperatures falling to around 62 in the afternoon. West wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.

Thursday Night: Mostly clear, with a low around 39. Northwest wind 0 to 5 mph.

Friday

High 60°F·Low 43°F

Mostly sunny, with a high near 60. Northeast wind 0 to 5 mph.

Friday Night: Mostly cloudy, with a low around 43. East wind around 0 mph.

Saturday

High 62°F·Low 47°F

A slight chance of rain showers after 7am. Mostly cloudy, with a high near 62. East wind around 5 mph. Chance of precipitation is 20%.

Saturday Night: A slight chance of rain showers. Mostly cloudy, with a low around 47. East wind 0 to 5 mph. Chance of precipitation is 20%.

Sunday

High 65°F·Low 49°F

A slight chance of rain showers. Mostly cloudy. High near 65, with temperatures falling to around 60 in the afternoon. Chance of precipitation is 20%.

Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

Monday

High 65°F·Low 50°F

A chance of rain showers. Mostly cloudy. High near 65, with temperatures falling to around 60 in the afternoon. Chance of precipitation is 30%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

Tuesday

High 63°F·Low 46°F

A chance of rain showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

Nearby cities

Larger cities in the area

Other cities in Washington County

See every city we cover in Wisconsin, or check all active alerts.

About this forecast

Forecast office
Germantown is served by the National Weather Service MKX forecast office, forecast zone WIZ059, county zone WIC131.
Location used
The Census Bureau's internal point for Germantown (43.2345, -88.1250), in Washington County. Population: 21,032 (2024 estimate), number 40 of the 42 Wisconsin cities on this site.
Radar
Nearest NWS radar: KMKX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/43.2345,-88.125 (forecast issued Oct 28, 4:32 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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