Mount Vernon, OR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, OR in one place.
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. North wind 1 to 9 mph.
Local Weather Overview
This forecast page for Mount Vernon, OR 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: Sep 15, 2026 12:51 AM PDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Mount Vernon, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 12:51 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Sunday looks like the warmest upcoming period in Mount Vernon at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Tuesday Night at about 6 to 12 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 12:51 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 11pm and 2am. Mostly cloudy, with a low around 48. Northwest wind 6 to 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 71. North wind 6 to 10 mph.
A slight chance of rain showers after 5am. Mostly clear, with a low around 47. North wind 5 to 10 mph. Chance of precipitation is 20%.
A chance of rain showers before 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 49. Chance of precipitation is 20%.
Sunny, with a high near 77.
Mostly clear, with a low around 49.
Sunny, with a high near 80.
Mostly clear, with a low around 51.
Sunny, with a high near 84.
Mostly clear, with a low around 51.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Mostly Sunny
|
72°F |
1 to 9 mph
N
|
|
Tuesday Night
Sep 15
|
Slight Chance Rain Showers
|
48°F |
6 to 12 mph
NW
|
|
Wednesday
Sep 16
|
Mostly Sunny
|
71°F |
6 to 10 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Clear then Slight Chance Rain Showers
|
47°F |
5 to 10 mph
N
|
|
Thursday
Sep 17
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
70°F |
2 to 6 mph
NW
|
|
Thursday Night
Sep 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
49°F |
2 to 6 mph
SW
|
|
Friday
Sep 18
|
Sunny
|
77°F |
1 to 5 mph
W
|
|
Friday Night
Sep 18
|
Mostly Clear
|
49°F |
0 to 5 mph
NE
|
|
Saturday
Sep 19
|
Sunny
|
80°F |
1 to 5 mph
N
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
51°F |
0 to 7 mph
NE
|
|
Sunday
Sep 20
|
Sunny
|
84°F |
2 to 6 mph
NE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
51°F |
5 mph
E
|
|
Monday
Sep 21
|
Sunny
|
80°F |
2 to 9 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.