Saint Germain, WI Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Germain, WI in one place.
Patchy fog before 8am. Sunny. High near 77, with temperatures falling to around 75 in the afternoon. Heat index values as high as 76. North northwest wind 0 to 3 mph.
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: Aug 23, 2026 1:48 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Saint Germain, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 1:48 PM 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 80 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 9 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 1:48 PM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 46. North northeast wind around 2 mph.
A chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. South southwest wind 0 to 9 mph. Chance of precipitation is 50%.
Showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 80%.
Showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Partly sunny, with a high near 75.
Mostly clear, with a low around 47.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 77.
A chance of rain showers after 7pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Patchy Fog then Sunny
|
77°F |
0 to 3 mph
NNW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
46°F |
2 mph
NNE
|
|
Tuesday
Aug 25
|
Mostly Sunny then Chance Showers And Thunderstorms
|
80°F |
0 to 9 mph
SSW
|
|
Tuesday Night
Aug 25
|
Showers And Thunderstorms
|
57°F |
5 to 8 mph
SSW
|
|
Wednesday
Aug 26
|
Showers And Thunderstorms Likely
|
75°F |
5 to 9 mph
W
|
|
Wednesday Night
Aug 26
|
Showers And Thunderstorms Likely
|
53°F |
3 to 7 mph
NW
|
|
Thursday
Aug 27
|
Partly Sunny
|
75°F |
6 to 9 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
47°F |
0 to 7 mph
N
|
|
Friday
Aug 28
|
Mostly Sunny
|
75°F |
0 to 6 mph
NNW
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
47°F |
1 to 5 mph
E
|
|
Saturday
Aug 29
|
Mostly Sunny
|
77°F |
2 to 7 mph
SSW
|
|
Saturday Night
Aug 29
|
Chance Rain Showers
|
52°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Germain.