Princeton, WI Weather Forecast

Local 7-day forecast

79°
F

Mostly Cloudy then Chance Rain Showers

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

Saturday, August 29, 2026
Wind: 5 to 10 mph S
Saturday

A chance of rain showers after 1pm. Mostly cloudy, with a high near 79. South wind 5 to 10 mph. Chance of precipitation is 30%.

Local 7-day forecast

Local Weather Overview

This forecast page for Princeton, 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 27, 2026 11:19 PM CDT.

The active forecast window currently covers Aug 29 to Sep 3, 2026 for Princeton, WI.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 3, 2026
Latest sync
Aug 27, 2026 11:19 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
79°F
Saturday
Next Low
65°F
Saturday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
10 to 15 mph
Sunday

Daily Outlook

Today
Aug 29
Mostly Cloudy then Chance Rain Showers
79 °F
/ 65°F
Wind 5 to 10 mph
Sun
Aug 30
Chance Showers And Thunderstorms
85 °F
/ 69°F
Wind 10 to 15 mph
Mon
Aug 31
Chance Showers And Thunderstorms
87 °F
/ 68°F
Wind 10 mph
Tue
Sep 1
Chance Showers And Thunderstorms
86 °F
/ 65°F
Wind 5 to 10 mph
Wed
Sep 2
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
84 °F
/ 64°F
Wind 0 to 5 mph
Thu
Sep 3
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
83 °F
Wind 5 to 10 mph

This Week in Princeton

Monday looks like the warmest upcoming period in Princeton at 87 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Sunday at about 10 to 15 mph S.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Aug 27, 2026 11:19 PM CDT
Coverage
6 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 source

Extended Forecast

Saturday Night
Aug 29
65°F
Showers And Thunderstorms Likely
10 mph S

A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday
Aug 30
85°F
Chance Showers And Thunderstorms
10 to 15 mph S

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night
Aug 30
69°F
Chance Showers And Thunderstorms
5 to 10 mph S

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 40%.

Monday
Aug 31
87°F
Chance Showers And Thunderstorms
10 mph SW

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Southwest wind around 10 mph. Chance of precipitation is 40%.

Monday Night
Aug 31
68°F
Mostly Cloudy then Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Tuesday
Sep 1
86°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Tuesday Night
Sep 1
65°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SE

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Wednesday
Sep 2
84°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

Wednesday Night
Sep 2
64°F
Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Thursday
Sep 3
83°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 to 10 mph S

A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Mostly Cloudy then Chance Rain Showers
79°F
5 to 10 mph
S
Saturday Night
Aug 29
Showers And Thunderstorms Likely
65°F
10 mph
S
Sunday
Aug 30
Chance Showers And Thunderstorms
85°F
10 to 15 mph
S
Sunday Night
Aug 30
Chance Showers And Thunderstorms
69°F
5 to 10 mph
S
Monday
Aug 31
Chance Showers And Thunderstorms
87°F
10 mph
SW
Monday Night
Aug 31
Mostly Cloudy then Chance Showers And Thunderstorms
68°F
5 to 10 mph
SW
Tuesday
Sep 1
Chance Showers And Thunderstorms
86°F
5 to 10 mph
SW
Tuesday Night
Sep 1
Slight Chance Showers And Thunderstorms
65°F
0 to 5 mph
SE
Wednesday
Sep 2
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
84°F
0 to 5 mph
SW
Wednesday Night
Sep 2
Slight Chance Showers And Thunderstorms
64°F
0 to 5 mph
S
Thursday
Sep 3
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
83°F
5 to 10 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.