Washington County, WI Weather Forecast
County weather hub
Sunny
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 74. East wind 0 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Washington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 9:16 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Wednesday looks like the warmest upcoming period in Washington County at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph E.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 9:16 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
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 50. East wind 0 to 10 mph.
Mostly sunny, with a high near 78. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 78.
Mostly clear, with a low around 52.
Sunny, with a high near 77.
Mostly clear, with a low around 52.
Sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
74°F |
0 to 10 mph
E
|
|
Saturday Night
May 30
|
Mostly Clear
|
50°F |
0 to 10 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
78°F |
0 to 5 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
53°F |
0 to 5 mph
NE
|
|
Monday
Jun 1
|
Mostly Sunny
|
78°F |
5 to 10 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
52°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
52°F |
0 to 5 mph
SE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
0 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Washington County.
Largest mapped city population in this region: 4,715.
