Saint Peter, WI Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Peter, WI in one place.
Showers and thunderstorms likely. Partly sunny, with a high near 67. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Saint Peter, 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 13, 2026 2:03 AM CDT.
The active forecast window currently covers Apr 16 to Apr 19, 2026 for Saint Peter, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 2:03 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Peter
Friday looks like the warmest upcoming period in Saint Peter at 74 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 2:03 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 50. Chance of precipitation is 30%.
A chance of rain showers after 1pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 57. Chance of precipitation is 80%.
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
A chance of rain and snow showers. Mostly sunny, with a high near 50. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely
|
67°F |
10 mph
W
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
50°F |
5 to 10 mph
NE
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Rain Showers
|
74°F |
10 to 15 mph
SE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
47°F |
15 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
57°F |
15 to 20 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers then Chance Rain And Snow Showers
|
33°F |
15 mph
W
|
|
Sunday
Apr 19
|
Chance Rain And Snow Showers
|
50°F |
15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Peter.