Grass Valley Weather Forecast

    • 33
    • 47

    Gradual Clearing

    • 34
    • 52

    Mostly Sunny

    • 37
    • 60

    Mostly Sunny

    • 41
    • 60

    Partly Sunny

    • 39
    • 61

    Mostly Sunny

    • 45
    • 64

    Rain Showers Likely

Today 13 Oct North Central Oregon

Cloudy with a 50 percent chance of rain Showers. Patchy dense fog through the day. Highs in the mid 40s to lower 50s. Breezy. Northeast wind 10 to 20 Mph with Gusts to around 30 Mph. Rainfall Amounts less than a tenth of an inch.

Tonight 13 Oct North Central Oregon

Partly cloudy. Patchy frost overnight. Lows in the lower to mid 30s. Northeast wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Grass Valley Temperature Statistics

October Temperature

The Dalles Municipal Airport (25.5 miles)

  • Lowest 6 October, 2025

    39.9 °F

  • Average October

    58.7 °F

  • Highest 6 October, 2025

    75.9 °F

Climate (2020–Present)

The Dalles Municipal Airport (25.5 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    66.9 °F
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