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Corvallis, OR Weather Forecast | 5 Day

Updated: Fri Sep 25th 2026 3:15 PM PDT

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Corvallis, OR Weather Forecast - 9-25-26 - Light Rain Shower

Light Rain Shower

Fri 9-25-26

Light Rain Shower with a high of 62°F and a low of 51°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.27in. Winds will be strong at speeds peaking at 24mph and gusts of 13mph at 5 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 88% at 10 PM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 30.19inHg at 10 PM, a lowest point of 30.11inHg at 5 PM with an avg 30.16inHg.

    • HI: 62°F
    • LO: 51°F
    • Rainfall: 83% | est. 0.27in
    • Snowfall: 0%
    • Wind
      23.5 mph
    • Humidity
      80% avg.
    • UV Index
      3.4
    • Air Quality
      Good
    • Sunrise
      07:03 AM
    • Sunset
      07:05 PM
    • Moonrise
      06:34 PM
    • Moonset
      06:07 AM
    • Moon Phase
      Full Moon
Corvallis, OR Weather Forecast - 9-26-26 - Overcast

Overcast

Weather Tomorrow, Sat 9-26-26

Overcast with a high of 64°F and a low of 45°F. There might be light rainfall having a 14% chance. Wind will be moderate, blowing around 13mph on average and gusts of 22.2mph at 7 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 96% at 6 AM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 29.96inHg at 7 PM with an avg 30.07inHg.

    • HI: 64°F
    • LO: 45°F
    • Rainfall: 14%
    • Snowfall: 0%
    • Wind
      12.1 mph
    • Humidity
      68% avg.
    • UV Index
      3.7
    • Air Quality
      Good
    • Sunrise
      07:04 AM
    • Sunset
      07:03 PM
    • Moonrise
      06:52 PM
    • Moonset
      07:12 AM
    • Moon Phase
      Full Moon
Corvallis, OR Weather Forecast - 9-27-26 - Sunny

Sunny

Sun 9-27-26

Sunny with a high of 68°F and a low of 44°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 15mph at 9 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 84% at 7 AM and 30% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 11 PM, a lowest point of 29.95inHg at 5 PM with an avg 29.99inHg.

    • HI: 68°F
    • LO: 44°F
    • Rainfall: 6%
    • Snowfall: 0%
    • Wind
      6.5 mph
    • Humidity
      59% avg.
    • UV Index
      4
    • Air Quality
      Good
    • Sunrise
      07:06 AM
    • Sunset
      07:01 PM
    • Moonrise
      07:11 PM
    • Moonset
      08:19 AM
    • Moon Phase
      Waning Gibbous
Corvallis, OR Weather Forecast - 9-28-26 - Sunny

Sunny

Mon 9-28-26

Sunny with a high of 69°F and a low of 43°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 7.7mph at 2 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 88% at 7 AM and 35% being its lowest at 3 PM. Barometric pressure is its highest of 30.11inHg at 7 AM, a lowest point of 30.02inHg at 5 PM with an avg 30.07inHg.

    • HI: 69°F
    • LO: 43°F
    • Rainfall: 6%
    • Snowfall: 0%
    • Wind
      6.3 mph
    • Humidity
      63% avg.
    • UV Index
      4.5
    • Air Quality
      Good
    • Sunrise
      07:07 AM
    • Sunset
      06:59 PM
    • Moonrise
      07:33 PM
    • Moonset
      09:29 AM
    • Moon Phase
      Waning Gibbous
Corvallis, OR Weather Forecast - 9-29-26 - Overcast

Overcast

Tue 9-29-26

Overcast with a high of 64°F and a low of 48°F. There might be light rainfall having a 12% chance. Winds will be light at 9mph and gusts of 15.7mph at 12 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 83% at 7 AM and 47% being its lowest at 1 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.99inHg at 5 PM with an avg 30.02inHg.

    • HI: 64°F
    • LO: 48°F
    • Rainfall: 12%
    • Snowfall: 0%
    • Wind
      8.3 mph
    • Humidity
      66% avg.
    • UV Index
      4.6
    • Air Quality
      Good
    • Sunrise
      07:08 AM
    • Sunset
      06:57 PM
    • Moonrise
      08:00 PM
    • Moonset
      10:41 AM
    • Moon Phase
      Waning Gibbous
Corvallis, OR Weather Forecast - 9-30-26 - Overcast

Overcast

Wed 9-30-26

Overcast with a high of 65°F and a low of 50°F. There's a moderate 45% chance of rainfall with an estimated 0.02in. Winds will be light at 7mph and gusts of 12.3mph at 2 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 90% at 8 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.99inHg at 5 PM with an avg 30.02inHg.

    • HI: 65°F
    • LO: 50°F
    • Rainfall: 45% | est. 0.02in
    • Snowfall: 0%
    • Wind
      6.7 mph
    • Humidity
      72% avg.
    • UV Index
      4
    • Air Quality
      TBA
    • Sunrise
      07:09 AM
    • Sunset
      06:56 PM
    • Moonrise
      08:36 PM
    • Moonset
      11:55 AM
    • Moon Phase
      Waning Gibbous

This 5-Day weather forecast is relevant for ZIP codes 97330, 97331, 97333, and 97339, accurately covering areas of Corvallis, OR.

Currently

Light Rain Shower 62°F
30.09 inHg.
Barometer
65%
Humidity
WSW 17.6 mph
Wind
Light Rain Shower

National Outlook

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