Forest Grove Weather Forecast

    • 51
    • 75

    Increasing Clouds

    • 52
    • 76

    Rain Showers

    • 45
    • 70

    Rain Showers Likely

    • 43
    • 65

    Breezy

    • 49
    • 75

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 45
    • 72

    Chance Rain Showers

Today 5 Sep Fergus County below 4500ft

Sunny. Highs 75 to 81. Northwest Winds 5 to 15 Mph shifting to the north 5 to 10 Mph in the afternoon.

Tonight 5 Sep Fergus County below 4500ft

Partly cloudy until early morning then becoming mostly cloudy. Lows 51 to 57. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Grove Temperature Statistics

September Temperature

N BAR Ranch Airport (12.4 miles)

  • Lowest 1 September, 2026

    44.6 °F

  • Average September

    64.9 °F

  • Highest 2 September, 2026

    84.2 °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

    55.3 °F
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