Frostville, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Frostville, WI in one place.
Mostly sunny, with a high near 68. East northeast wind around 6 mph.
Local Weather Overview
This forecast page for Frostville, 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: Sep 14, 2026 6:56 PM CDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Frostville, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:56 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Frostville
Thursday looks like the warmest upcoming period in Frostville at 73 degrees F.
Sunday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph E.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 6:56 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- 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 rain showers after 7pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
A chance of rain showers before 7am. Partly sunny, with a high near 73. Chance of precipitation is 30%.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 80%.
A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
68°F |
6 mph
ENE
|
|
Wednesday Night
Sep 16
|
Chance Rain Showers
|
52°F |
1 to 5 mph
NE
|
|
Thursday
Sep 17
|
Chance Rain Showers then Partly Sunny
|
73°F |
3 mph
NNW
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Slight Chance Rain Showers
|
51°F |
1 mph
ENE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
69°F |
1 to 5 mph
E
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms
|
56°F |
5 mph
ESE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms
|
72°F |
6 to 9 mph
E
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
53°F |
5 to 8 mph
NNE
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
67°F |
9 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
50°F |
3 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frostville.