Washington County, MN Weather Forecast
County weather hub
Rain Showers Likely
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain showers likely. Mostly cloudy, with a high near 56. East southeast wind 0 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half 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
- Oct 15 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 3:01 PM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Monday looks like the warmest upcoming period in Washington County at 67 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 20 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 3:01 PM CDT
- Coverage
- 5 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
A chance of rain showers before 7pm. Mostly cloudy, with a low around 40. West northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 54. North northwest wind 10 to 20 mph, with gusts as high as 35 mph.
Widespread frost after 2am. Clear, with a low around 33. West northwest wind 0 to 5 mph.
Widespread frost before 9am. Sunny, with a high near 61. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Clear, with a low around 42. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 66. South southwest wind 10 to 15 mph.
Partly cloudy, with a low around 44. South southwest wind 0 to 5 mph.
Mostly sunny, with a high near 67. Southwest wind 0 to 5 mph.
Partly cloudy, with a low around 45. Southeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Rain Showers Likely
|
56°F |
0 to 10 mph
ESE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers then Mostly Cloudy
|
40°F |
10 to 20 mph
WNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
54°F |
10 to 20 mph
NNW
|
|
Friday Night
Oct 16
|
Clear then Widespread Frost
|
33°F |
0 to 5 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
61°F |
5 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
42°F |
10 to 15 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
10 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
44°F |
0 to 5 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
0 to 5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
5 mph
SE
|
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.