Forest Grove Weather Forecast

    • 45
    • 71

    Mostly Sunny

    • 46
    • 73

    Increasing Clouds

    • 27
    • 56

    Rain/Snow

    • 24
    • 43

    Mostly Sunny

    • 24
    • 43

    Partly Sunny

    • 28
    • 48

    Mostly Cloudy

    • 27
    • 51

    Chance Rain/Snow

Today 21 Oct Fergus County below 4500ft

Mostly sunny. A 20 percent chance of rain and snow in the morning. Highs in the mid 40s.

Tonight 21 Oct Fergus County below 4500ft

Mostly clear. Lows in the mid 40s. South Winds up to 10 Mph.

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Forest Grove Temperature Statistics

October Temperature

N BAR Ranch Airport (12.4 miles)

  • Lowest 13 October, 2026

    24.8 °F

  • Average October

    50.7 °F

  • Highest 5 October, 2026

    82.4 °F

Climate (2021–2026)

N BAR Ranch Airport (12.4 miles)

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  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    55.2 °F
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