Saint Germain, WI Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Germain, WI in one place.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint Germain, 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: May 24, 2026 1:04 AM CDT.
The active forecast window currently covers May 26 to May 30, 2026 for Saint Germain, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:04 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Germain
Tuesday looks like the warmest upcoming period in Saint Germain at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday at about 1 to 8 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:04 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KMQT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 57. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunny, with a high near 78.
Mostly clear, with a low around 48.
Sunny, with a high near 76.
Mostly clear, with a low around 48.
Sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
2 to 6 mph
WSW
|
|
Tuesday Night
May 26
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
57°F |
0 to 3 mph
NW
|
|
Wednesday
May 27
|
Sunny then Chance Showers And Thunderstorms
|
85°F |
0 to 7 mph
NE
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
1 to 6 mph
ENE
|
|
Thursday
May 28
|
Sunny
|
78°F |
1 to 8 mph
NE
|
|
Thursday Night
May 28
|
Mostly Clear
|
48°F |
1 to 8 mph
ENE
|
|
Friday
May 29
|
Sunny
|
76°F |
1 to 8 mph
ENE
|
|
Friday Night
May 29
|
Mostly Clear
|
48°F |
1 to 7 mph
ENE
|
|
Saturday
May 30
|
Sunny
|
76°F |
1 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Germain.