Washington County, WI Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a high near 60. Northeast wind around 5 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
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 3:44 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Tuesday looks like the warmest upcoming period in Washington County at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 3:44 PM CDT
- Coverage
- 7 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 cloudy, with a low around 48. Northeast wind around 5 mph.
Rain showers after 11am. Cloudy, with a high near 55. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers. Cloudy, with a low around 45. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers likely. Partly sunny, with a high near 53. Northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 7pm, then widespread frost. Mostly clear, with a low around 32. Northwest wind 0 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost before 9am. Sunny, with a high near 55. West wind 0 to 10 mph.
Clear, with a low around 38. Southwest wind 5 to 10 mph.
Sunny, with a high near 62.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 43.
Sunny, with a high near 67.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 14
|
Mostly Cloudy
|
60°F |
5 mph
NE
|
|
Tonight
Oct 14
|
Mostly Cloudy
|
48°F |
5 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers
|
55°F |
5 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers
|
45°F |
5 to 15 mph
N
|
|
Friday
Oct 16
|
Rain Showers Likely
|
53°F |
15 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Widespread Frost
|
32°F |
0 to 20 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
55°F |
0 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
5 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
10 to 20 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
5 to 15 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
65°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
0 to 5 mph
SW
|
|
Tuesday
Oct 20
|
Sunny
|
67°F |
0 to 5 mph
SW
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
47°F |
0 to 5 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.
