Sun Prairie, WI Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Prairie, WI in one place.
Partly sunny, with a high near 75. East wind 5 to 15 mph.
Local Weather Overview
This forecast page for Sun Prairie, 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 30, 2026 1:19 AM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Sun Prairie, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 1:19 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Prairie
Thursday looks like the warmest upcoming period in Sun Prairie at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 1:19 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
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 50. East wind 5 to 15 mph.
Partly sunny, with a high near 78. Southeast wind 5 to 10 mph.
Mostly cloudy, with a low around 54. Southeast wind 0 to 5 mph.
Mostly sunny, with a high near 81. East wind 0 to 5 mph.
Partly cloudy, with a low around 52. East wind 0 to 5 mph.
Sunny, with a high near 81. East wind 0 to 10 mph.
Mostly clear, with a low around 52.
Sunny, with a high near 84.
Partly cloudy, with a low around 58.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
75°F |
5 to 15 mph
E
|
|
Saturday Night
May 30
|
Partly Cloudy
|
50°F |
5 to 15 mph
E
|
|
Sunday
May 31
|
Partly Sunny
|
78°F |
5 to 10 mph
SE
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
54°F |
0 to 5 mph
SE
|
|
Monday
Jun 1
|
Mostly Sunny
|
81°F |
0 to 5 mph
E
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
52°F |
0 to 5 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
0 to 10 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
52°F |
0 to 5 mph
SE
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
0 to 5 mph
S
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
58°F |
5 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Thursday Night
Jun 4
|
Slight Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Prairie.