Amherst, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Amherst, WI in one place.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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 14, 2026 7:45 PM CDT.
The active forecast window currently covers Jul 17 to Jul 20, 2026 for Amherst, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:45 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Amherst
Friday looks like the warmest upcoming period in Amherst at 88 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 5 to 13 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:45 PM CDT
- Coverage
- 4 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 showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 69. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 20%.
Mostly sunny, with a high near 85.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
5 mph
SE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
69°F |
6 mph
SSW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
6 to 9 mph
WNW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
63°F |
1 to 8 mph
NNE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
85°F |
5 mph
WNW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
SW
|
|
Monday
Jul 20
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
5 to 13 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
62°F |
6 to 12 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Amherst.