Snohomish County, WA Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Snohomish County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 53.
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
- May 30 to May 31, 2026
- Latest sync
- May 24, 2026 11:51 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Snohomish County
Sunday looks like the warmest upcoming period in Snohomish County at 57 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday at about 3 to 8 mph WNW.
The forecast from May 30 through May 31 stays mostly dry.
Forecast Details
- Last updated
- May 24, 2026 11:51 PM PDT
- Coverage
- 2 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
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
53°F |
3 to 8 mph
WNW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
41°F |
2 to 8 mph
N
|
|
Sunday
May 31
|
Mostly Sunny
|
57°F |
2 to 8 mph
W
|
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.
