Washington County, MN Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Sunny
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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 14 of 14 mapped cities in Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 2:26 PM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Tuesday looks like the warmest upcoming period in Washington County at 89 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Memorial Day at about 5 to 10 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 2:26 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KMPX
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 62. South southwest wind 5 to 10 mph.
Sunny, with a high near 89. South southwest wind 5 to 10 mph.
Partly cloudy, with a low around 62. South southeast wind 0 to 5 mph.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. East southeast wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 30%.
Sunny, with a high near 82. East southeast wind 5 to 10 mph.
Partly cloudy, with a low around 58. East southeast wind 5 to 10 mph.
Mostly sunny, with a high near 79. East southeast wind 5 to 10 mph.
Mostly clear, with a low around 56. East southeast wind 5 to 10 mph.
Sunny, with a high near 78. East southeast wind 5 to 10 mph.
Mostly clear, with a low around 56. East wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Chance Showers And Thunderstorms then Sunny
|
84°F |
5 to 10 mph
S
|
|
Monday Night
May 25
|
Mostly Clear
|
62°F |
5 to 10 mph
SSW
|
|
Tuesday
May 26
|
Sunny
|
89°F |
5 to 10 mph
SSW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
62°F |
0 to 5 mph
SSE
|
|
Wednesday
May 27
|
Sunny then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
ESE
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Mostly Clear
|
60°F |
5 to 10 mph
E
|
|
Thursday
May 28
|
Sunny
|
82°F |
5 to 10 mph
ESE
|
|
Thursday Night
May 28
|
Partly Cloudy
|
58°F |
5 to 10 mph
ESE
|
|
Friday
May 29
|
Mostly Sunny
|
79°F |
5 to 10 mph
ESE
|
|
Friday Night
May 29
|
Mostly Clear
|
56°F |
5 to 10 mph
ESE
|
|
Saturday
May 30
|
Sunny
|
78°F |
5 to 10 mph
ESE
|
|
Saturday Night
May 30
|
Mostly Clear
|
56°F |
5 to 10 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 14 of 14 mapped cities in Washington County.
Largest mapped city population in this region: 38,170.
