Germantown, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Germantown, WI in one place.
Sunny, with a high near 48. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Germantown, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 16, 2026 2:12 PM CDT.
The active forecast window currently covers Apr 19 to Apr 22, 2026 for Germantown, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 2:12 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Germantown
Tuesday looks like the warmest upcoming period in Germantown at 69 degrees F.
Sunday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Sunday at about 8 to 14 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 16, 2026 2:12 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 26. West wind 2 to 9 mph, with gusts as high as 18 mph.
Sunny, with a high near 59. Southeast wind 5 to 12 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 43. South wind around 12 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 69. Southwest wind around 13 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 44. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 67. Southwest wind 6 to 10 mph.
A chance of rain showers after 7pm. Mostly clear, with a low around 43. Southeast wind around 9 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Sunny
|
48°F |
8 to 14 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
26°F |
2 to 9 mph
W
|
|
Monday
Apr 20
|
Sunny
|
59°F |
5 to 12 mph
SE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
43°F |
12 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
69°F |
13 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
44°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
67°F |
6 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Chance Rain Showers
|
43°F |
9 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Germantown.