Washington County, WI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 52. Southeast 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
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 6:39 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Monday looks like the warmest upcoming period in Washington County at 76 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 6:39 AM 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
A chance of rain showers between 7pm and 10pm, then showers and thunderstorms likely. Mostly cloudy. Low around 44, with temperatures rising to around 51 overnight. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. South wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny. High near 69, with temperatures falling to around 64 in the afternoon. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny
|
52°F |
0 to 10 mph
SE
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms Likely
|
44°F |
10 mph
SE
|
|
Sunday
Apr 12
|
Showers And Thunderstorms Likely
|
71°F |
10 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
61°F |
15 to 20 mph
SW
|
|
Monday
Apr 13
|
Chance Rain Showers
|
76°F |
15 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms Likely
|
59°F |
10 to 15 mph
SW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
69°F |
10 to 15 mph
W
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
41°F |
10 mph
NE
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
58°F |
10 to 15 mph
S
|
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.
