Snohomish County, WA Weather Forecast
County weather hub
Sunny
Compare major city weather across Snohomish County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 72.
County Weather Overview
This county weather page brings together forecast coverage for Snohomish County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 18 of 18 mapped cities in Snohomish County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 5:18 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Snohomish County
Tuesday looks like the warmest upcoming period in Snohomish County at 72 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 7 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 5:18 PM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
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 56.
A slight chance of rain after 5pm. Sunny, with a high near 71.
A chance of rain. Partly cloudy, with a low around 55.
A chance of rain before 5pm. Mostly sunny, with a high near 68.
Partly cloudy, with a low around 54.
Sunny, with a high near 72.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
72°F |
1 to 7 mph
WNW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
56°F |
1 to 6 mph
NNE
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Light Rain
|
71°F |
1 to 7 mph
W
|
|
Wednesday Night
Jul 15
|
Chance Light Rain
|
55°F |
2 to 7 mph
WSW
|
|
Thursday
Jul 16
|
Chance Light Rain
|
68°F |
6 mph
WSW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
54°F |
2 to 6 mph
N
|
|
Friday
Jul 17
|
Sunny
|
72°F |
2 to 6 mph
WNW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
58°F |
1 to 6 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Snohomish County.
Coverage
Forecast coverage currently spans 18 of 18 mapped cities in Snohomish County.
Largest mapped city population in this region: 112,482.
