Sun Prairie, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Prairie, WI in one place.
Sunny, with a high near 73. Northwest wind 5 to 10 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: Oct 13, 2026 10:14 AM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Sun Prairie, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 10:14 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Prairie
Today looks like the warmest upcoming period in Sun Prairie at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:14 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
A slight chance of showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 55. North wind 0 to 5 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 66. Northeast wind 5 to 10 mph.
Mostly cloudy, with a low around 48. Northeast wind around 5 mph.
Rain showers likely after 7am. Cloudy, with a high near 61. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 1am. Mostly cloudy, with a low around 43. Northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 56. Northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Mostly clear, with a low around 31. Northwest wind 0 to 10 mph.
Sunny, with a high near 58.
Clear, with a low around 38.
Sunny, with a high near 64.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
73°F |
5 to 10 mph
NW
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
55°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Partly Sunny
|
66°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
48°F |
5 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
61°F |
5 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
43°F |
5 to 20 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
56°F |
15 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
31°F |
0 to 10 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
0 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
10 to 15 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
15 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
45°F |
5 to 15 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Prairie.
