Green Valley, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Green Valley, WI in one place.
Mostly sunny. High near 70, with temperatures falling to around 68 in the afternoon. Northwest wind 3 to 9 mph.
Local Weather Overview
This forecast page for Green Valley, 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 12, 2026 4:09 PM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Green Valley, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:09 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Green Valley
Tuesday looks like the warmest upcoming period in Green Valley at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 14 to 21 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:09 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 slight chance of rain showers between 7pm and 11pm. Mostly cloudy, with a low around 49. North wind around 3 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 63. North wind 1 to 6 mph.
Mostly cloudy, with a low around 39.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 54. Chance of precipitation is 20%.
Widespread frost after 9pm. Mostly clear, with a low around 28.
Widespread frost before 9am. Sunny, with a high near 57.
Clear, with a low around 34.
Sunny, with a high near 63.
Partly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
70°F |
3 to 9 mph
NW
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers then Mostly Cloudy
|
49°F |
3 mph
N
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
63°F |
1 to 6 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
39°F |
3 mph
NE
|
|
Thursday
Oct 15
|
Mostly Cloudy then Chance Rain Showers
|
60°F |
5 mph
ESE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
41°F |
1 to 14 mph
SW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
54°F |
14 to 21 mph
NW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
28°F |
3 to 10 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
3 to 9 mph
WSW
|
|
Saturday Night
Oct 17
|
Clear
|
34°F |
6 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
10 to 16 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
40°F |
5 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Green Valley.