Mount Vernon, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, WA in one place.
Partly sunny, with a high near 63.
Local Weather Overview
This forecast page for Mount Vernon, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 27, 2026 7:29 PM PDT.
The active forecast window currently covers May 30 to Jun 2, 2026 for Mount Vernon, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 2, 2026
- Latest sync
- May 27, 2026 7:29 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Tuesday looks like the warmest upcoming period in Mount Vernon at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday Night at about 1 to 10 mph WSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 27, 2026 7:29 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
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 82.
A slight chance of rain after 5am. Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
63°F |
2 to 9 mph
WSW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
44°F |
1 to 10 mph
WSW
|
|
Sunday
May 31
|
Mostly Sunny
|
66°F |
1 to 10 mph
WSW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
46°F |
0 to 9 mph
WNW
|
|
Monday
Jun 1
|
Mostly Sunny
|
73°F |
0 to 10 mph
NNW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
52°F |
0 to 9 mph
NNW
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
82°F |
0 to 7 mph
NW
|
|
Tuesday Night
Jun 2
|
Partly Cloudy then Slight Chance Light Rain
|
57°F |
2 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.
