Amherst, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Amherst, WI in one place.
Sunny, with a high near 94.
Local Weather Overview
This forecast page for Amherst, 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: Jul 12, 2026 1:27 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Amherst, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:27 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Amherst
Tuesday looks like the warmest upcoming period in Amherst at 94 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 1:27 AM 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
Mostly clear, with a low around 70.
Sunny, with a high near 89.
Mostly clear, with a low around 66.
Mostly sunny, with a high near 87.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A chance of rain showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
94°F |
8 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
3 to 7 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
5 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
3 mph
SW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
87°F |
2 to 6 mph
W
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
66°F |
5 mph
ENE
|
|
Friday
Jul 17
|
Chance Rain Showers
|
86°F |
5 to 8 mph
SSE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
66°F |
7 mph
S
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
86°F |
6 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Amherst.