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Mount Vernon, OR Weather

Today: Partly Sunny, high 57°F, low 36°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).

Mount Vernon, OR current weather

54°F

Partly Sunny

Forecast for this hour. No recent report from a nearby station.

H 57° / L 36°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/30/2026, 2:51 PM PT

Hourly forecast

NWS, updated 10/30/2026, 2:51 PM PT

  1. Now54°
  2. 6 PM50°
  3. 7 PM47°
  4. 8 PM45°
  5. 9 PM44°
  6. 10 PM42°
  7. 11 PM41°
  8. 12 AM40°Sat
  9. 1 AM39°
  10. 2 AM39°
  11. 3 AM39°
  12. 4 AM37°
  13. 5 AM38°
  14. 6 AM37°
  15. 7 AM36°
  16. 8 AM37°
  17. 9 AM40°
  18. 10 AM45°
  19. 11 AM48°
  20. 12 PM50°
  21. 1 PM54°
  22. 2 PM55°
  23. 3 PM56°
  24. 4 PM56°
  25. 5 PM53°17%
  26. 6 PM52°17%
  27. 7 PM51°17%
  28. 8 PM48°
  29. 9 PM48°
  30. 10 PM47°
  31. 11 PM45°31%
  32. 12 AM44°31%Sun
  33. 1 AM43°31%
  34. 1 AM42°42%
  35. 2 AM42°42%
  36. 3 AM41°42%
  37. 4 AM41°46%
  38. 5 AM40°46%
  39. 6 AM39°46%
  40. 7 AM39°46%
  41. 8 AM40°46%
  42. 9 AM41°46%
  43. 10 AM42°11%
  44. 11 AM43°11%
  45. 12 PM45°11%
  46. 1 PM46°11%
  47. 2 PM46°11%
  48. 3 PM45°11%

7-day forecast

Tap a day for details

  • Today10/30Low 36°High 57°

    This Afternoon: Partly sunny. High near 57, with temperatures falling to around 54 in the afternoon. West wind around 3 mph.

    Tonight: Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. Northwest wind 1 to 5 mph.

    Partly Sunny
  • Sat10/3146% chance of precipitationLow 39°High 57°

    Saturday: A slight chance of rain showers after 5pm. Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 39. Southwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy then Slight Chance Rain Showers
  • Sun11/146% chance of precipitationLow 31°High 47°

    Sunday: A chance of rain showers before 7am, then a chance of rain and snow showers between 7am and 10am. Mostly cloudy, with a high near 47. Northwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Sunday Night: Partly cloudy, with a low around 31.

    Chance Rain And Snow Showers then Mostly Cloudy
  • Mon11/2Low 38°High 55°

    Monday: Mostly sunny, with a high near 55.

    Monday Night: Mostly cloudy, with a low around 38.

    Mostly Sunny
  • Tue11/3Low 36°High 56°

    Tuesday: Partly sunny, with a high near 56.

    Tuesday Night: Partly cloudy, with a low around 36.

    Partly Sunny
  • Wed11/421% chance of precipitationLow 37°High 55°

    Wednesday: Mostly sunny, with a high near 55.

    Wednesday Night: A slight chance of rain and snow showers after 4am. Mostly cloudy, with a low around 37.

    Mostly Sunny
  • Thu11/524% chance of precipitationLow 36°High 55°

    Thursday: A slight chance of rain and snow showers. Partly sunny, with a high near 55.

    Thursday Night: A slight chance of rain showers. Mostly cloudy, with a low around 36.

    Slight Chance Rain And Snow Showers

Forecast for 44.412, -119.113 from the NWS PDT office, updated 10/30/2026, 2:51 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now54°Partly Sunny1%3 mph
  2. 6 PM50°Mostly Cloudy1%2 mph
  3. 7 PM47°Mostly Cloudy1%1 mph
  4. 8 PM45°Mostly Cloudy1%1 mph
  5. 9 PM44°Mostly Cloudy1%1 mph
  6. 10 PM42°Mostly Cloudy1%1 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Mount Vernon, OR?
The National Weather Service forecast for this afternoon calls for a high near 57°F. Partly Sunny.
Will it rain in Mount Vernon, OR in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Mount Vernon, OR today?
Sunrise is about 7:31 AM PDT and sunset is about 5:48 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Mount Vernon, OR?
At John Day, the 1991 to 2020 normal high in October is 62°F and the normal low is 31°F.

Nearby hazards

Oregon hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: 0489 PARRISH Fire (404 acres)

Drought

By county

Grant County, week of 10/27/2026

100% of the county is in moderate drought or worse, 98% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:31 AM
Sunset
5:48 PM
Daylight
10 hr 17 min
Moon
Waning Gibbous 75% lit
First light (civil dawn)
7:01 AM
Last light (civil dusk)
6:18 PM
Moonrise
9:24 PM
Moonset
1:02 PM

Normal October weather

Climate

Normal October high 62°, low 31°, precipitation 1.04 in for the month. 1991 to 2020 normals at John Day, 8 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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