Washington, WI Weather Forecast
Local 7-day forecast
Areas Of Fog then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Washington, WI in one place.
Areas of fog before 1pm, then a slight chance of rain showers. Mostly cloudy. High near 44, with temperatures falling to around 42 in the afternoon. North northeast wind around 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Washington, 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: Apr 14, 2026 6:59 PM CDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Washington, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 6:59 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington
Friday looks like the warmest upcoming period in Washington at 48 degrees F.
Saturday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Sunday at about 16 to 29 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 6:59 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KMQT
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 before 8pm, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 39. North northeast wind around 8 mph. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 44. North northeast wind around 7 mph. Chance of precipitation is 40%.
A chance of rain showers before 7pm. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Mostly cloudy, with a high near 48.
Rain and a slight chance of thunderstorms after 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 80%.
Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 47. Chance of precipitation is 80%.
A chance of rain before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
A slight chance of snow before 1pm. Partly sunny, with a high near 38. Chance of precipitation is 20%.
Partly cloudy, with a low around 32.
Sunny, with a high near 40.
Mostly clear, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Areas Of Fog then Slight Chance Rain Showers
|
44°F |
7 mph
NNE
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
39°F |
8 mph
NNE
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
44°F |
7 mph
NNE
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Cloudy
|
38°F |
6 mph
NE
|
|
Friday
Apr 17
|
Mostly Cloudy
|
48°F |
7 to 12 mph
SE
|
|
Friday Night
Apr 17
|
Light Rain
|
42°F |
13 to 20 mph
SSE
|
|
Saturday
Apr 18
|
Light Rain
|
47°F |
20 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Rain And Snow
|
30°F |
20 to 28 mph
W
|
|
Sunday
Apr 19
|
Slight Chance Light Snow
|
38°F |
16 to 29 mph
NW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
32°F |
10 to 16 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
40°F |
10 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
35°F |
9 to 14 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Washington.