Amherst Junction, WI Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Amherst Junction, WI in one place.
A chance of showers and thunderstorms before 10am. Partly sunny, with a high near 86. Heat index values as high as 89. North northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Amherst Junction, 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: Jun 8, 2026 3:08 PM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Amherst Junction, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 3:08 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Amherst Junction
Wednesday looks like the warmest upcoming period in Amherst Junction at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 17 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 3:08 PM CDT
- Coverage
- 6 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 after 1am. Partly cloudy, with a low around 66. East southeast wind 2 to 6 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 91. South wind 6 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 90%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 58. Chance of precipitation is 50%.
Sunny, with a high near 82.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms then Partly Sunny
|
86°F |
5 mph
NNE
|
|
Tuesday Night
Jun 9
|
Partly Cloudy then Chance Showers And Thunderstorms
|
66°F |
2 to 6 mph
ESE
|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
91°F |
6 to 17 mph
S
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms
|
66°F |
6 to 17 mph
SW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
84°F |
7 to 14 mph
WSW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
58°F |
8 to 13 mph
W
|
|
Friday
Jun 12
|
Sunny
|
82°F |
8 to 17 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
59°F |
6 to 13 mph
WSW
|
|
Saturday
Jun 13
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
80°F |
6 to 12 mph
WSW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
55°F |
3 to 9 mph
WNW
|
|
Sunday
Jun 14
|
Slight Chance Rain Showers
|
75°F |
5 to 10 mph
NW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers then Partly Cloudy
|
53°F |
2 to 9 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Amherst Junction.