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Riverside, OR Weather

It is 36°F and fog in Riverside, OR, observed at 8:45 AM PDT. Today: Patchy Fog then Mostly Cloudy, high 50°F, low 29°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).

Riverside, OR current weather

36°F

Fog

H 50° / L 29°Feels like 32°

  • No rain expected in the next 12 hours

Observed at Eastern Oregon Regional Airport at Pendleton (4.9 mi away), 10/30/2026, 8:45 AM PDT

Hourly forecast

NWS, updated 10/30/2026, 4:00 AM PT

  1. Now41°
  2. 10 AM44°
  3. 11 AM48°
  4. 12 PM49°
  5. 1 PM50°
  6. 2 PM50°
  7. 3 PM50°
  8. 4 PM50°
  9. 5 PM49°
  10. 6 PM46°
  11. 7 PM42°
  12. 8 PM40°
  13. 9 PM38°
  14. 10 PM37°
  15. 11 PM37°
  16. 12 AM35°Sat
  17. 1 AM35°
  18. 2 AM35°
  19. 3 AM34°
  20. 4 AM33°
  21. 5 AM33°
  22. 6 AM32°
  23. 7 AM31°
  24. 8 AM33°
  25. 9 AM36°
  26. 10 AM42°
  27. 11 AM46°
  28. 12 PM47°
  29. 1 PM48°
  30. 2 PM49°
  31. 3 PM49°
  32. 4 PM49°
  33. 5 PM48°37%
  34. 6 PM44°37%
  35. 7 PM42°37%
  36. 8 PM40°37%
  37. 9 PM39°37%
  38. 10 PM38°37%
  39. 11 PM37°34%
  40. 12 AM36°34%Sun
  41. 1 AM36°34%
  42. 1 AM35°34%
  43. 2 AM34°34%
  44. 3 AM32°34%
  45. 4 AM32°33%
  46. 5 AM32°33%
  47. 6 AM33°33%
  48. 7 AM35°33%

7-day forecast

Tap a day for details

  • Today10/30Low 29°High 50°

    Today: Patchy fog before 11am. Mostly cloudy, with a high near 50. West wind 1 to 5 mph.

    Tonight: Patchy fog after 11pm. Partly cloudy. Low around 29, with temperatures rising to around 33 overnight. East wind around 2 mph.

    Patchy Fog then Mostly Cloudy
  • Sat10/3137% chance of precipitationLow 30°High 50°

    Saturday: Patchy fog before 11am, then a chance of rain showers. Partly sunny. High near 50, with temperatures falling to around 48 in the afternoon. Northeast wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: A chance of rain showers before 11pm, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 30. South wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Patchy Fog then Chance Rain Showers
  • Sun11/133% chance of precipitationLow 28°High 52°

    Sunday: A chance of rain showers and patchy fog before 10am. Partly sunny, with a high near 52. Southwest wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Sunday Night: Mostly clear, with a low around 28.

    Chance Rain Showers then Partly Sunny
  • Mon11/2Low 32°High 56°

    Monday: Mostly sunny, with a high near 56.

    Monday Night: Mostly cloudy, with a low around 32.

    Mostly Sunny
  • Tue11/3Low 30°High 55°

    Tuesday: Partly sunny, with a high near 55.

    Tuesday Night: Mostly cloudy, with a low around 30.

    Partly Sunny
  • Wed11/4Low 31°High 54°

    Wednesday: Mostly sunny, with a high near 54.

    Wednesday Night: Mostly cloudy, with a low around 31.

    Mostly Sunny
  • Thu11/517% chance of precipitationLow 32°High 57°

    Thursday: A slight chance of rain showers after 10am. Partly sunny, with a high near 57.

    Thursday Night: A slight chance of rain showers before 10pm. Mostly cloudy, with a low around 32.

    Slight Chance Rain Showers

Forecast for 45.678, -118.736 from the NWS PDT office, updated 10/30/2026, 4:00 AM 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. Now41°Patchy Fog0%1 mph
  2. 10 AM44°Patchy Fog0%1 mph
  3. 11 AM48°Mostly Cloudy0%2 mph
  4. 12 PM49°Partly Sunny0%2 mph
  5. 1 PM50°Mostly Cloudy0%3 mph
  6. 2 PM50°Partly Sunny0%5 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 weather in Riverside, OR right now?
The latest observation from Eastern Oregon Regional Airport at Pendleton was 36°F and fog, reported at 10/30/2026, 8:45 AM PDT.
What is the high temperature today in Riverside, OR?
The National Weather Service forecast for today calls for a high near 50°F. Patchy Fog then Mostly Cloudy.
Will it rain in Riverside, 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 Riverside, OR today?
Sunrise is about 7:32 AM PDT and sunset is about 5:44 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Riverside, OR?
At Pendleton Dwtn, the 1991 to 2020 normal high in October is 67°F and the normal low is 38°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.10 in
Snow
0.00 in
Ice
0.00 in

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: Hagen Fire (61,380 acres), Paradise Fire (9,656 acres), North Cayuse Fire (4,887 acres), Bradley Flats Fire (227 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Walla Walla)
GoodPM2.5
AQI forecast tomorrow (Walla Walla)
GoodPM2.5

UV index guide · Air quality

Drought

By county

Umatilla County, week of 10/27/2026

98% of the county is in moderate drought or worse, 52% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:32 AM
Sunset
5:44 PM
Daylight
10 hr 12 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:01 AM
Last light (civil dusk)
6:15 PM
Moonrise
9:16 PM
Moonset
1:06 PM

Normal October weather

Climate

Normal October high 67°, low 38°. 1991 to 2020 normals at Pendleton Dwtn, 3 mi away.

Other places nearby

Data sources

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About this data

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