Sun Prairie, WI Weather Forecast

Local 7-day forecast

75°
F

Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Sun Prairie, WI in one place.

Saturday, May 30, 2026
Wind: 5 to 15 mph E
Saturday

Partly sunny, with a high near 75. East wind 5 to 15 mph.

Local 7-day forecast

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
Next High
75°F
Saturday
Next Low
50°F
Saturday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
5 to 15 mph
Saturday

Daily Outlook

Today
May 30
Partly Sunny
75 °F
/ 50°F
Wind 5 to 15 mph
Sun
May 31
Partly Sunny
78 °F
/ 54°F
Wind 5 to 10 mph
Mon
Jun 1
Mostly Sunny
81 °F
/ 52°F
Wind 0 to 5 mph
Tue
Jun 2
Sunny
81 °F
/ 52°F
Wind 0 to 10 mph
Wed
Jun 3
Sunny
84 °F
/ 58°F
Wind 0 to 5 mph
Thu
Jun 4
Mostly Sunny then Slight Chance Showers And Thunderstorms
86 °F
/ 64°F
Wind 5 to 10 mph
Fri
Jun 5
Chance Showers And Thunderstorms
86 °F
Wind 5 to 10 mph

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 source

Extended Forecast

Saturday Night
May 30
50°F
Partly Cloudy
5 to 15 mph E

Partly cloudy, with a low around 50. East wind 5 to 15 mph.

Sunday
May 31
78°F
Partly Sunny
5 to 10 mph SE

Partly sunny, with a high near 78. Southeast wind 5 to 10 mph.

Sunday Night
May 31
54°F
Mostly Cloudy
0 to 5 mph SE

Mostly cloudy, with a low around 54. Southeast wind 0 to 5 mph.

Monday
Jun 1
81°F
Mostly Sunny
0 to 5 mph E

Mostly sunny, with a high near 81. East wind 0 to 5 mph.

Monday Night
Jun 1
52°F
Partly Cloudy
0 to 5 mph E

Partly cloudy, with a low around 52. East wind 0 to 5 mph.

Tuesday
Jun 2
81°F
Sunny
0 to 10 mph E

Sunny, with a high near 81. East wind 0 to 10 mph.

Tuesday Night
Jun 2
52°F
Mostly Clear
0 to 5 mph SE

Mostly clear, with a low around 52.

Wednesday
Jun 3
84°F
Sunny
0 to 5 mph S

Sunny, with a high near 84.

Wednesday Night
Jun 3
58°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 58.

Thursday
Jun 4
86°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
5 to 10 mph SW

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

Thursday Night
Jun 4
64°F
Slight Chance Showers And Thunderstorms
5 to 10 mph S

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%.

Friday
Jun 5
86°F
Chance Showers And Thunderstorms
5 to 10 mph S

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
SunPrairieWisconsinDowntown
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.