Richmond Weather Forecast

    • 44
    • 64

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 45
    • 70

    Slight Chance Rain Showers

    • 43
    • 63

    Slight Chance Rain Showers

Today 7 Sep John Day Basin

Partly cloudy in the morning then clearing. Highs in the mid 60s to lower 70s. West wind 5 to 10 Mph.

Tonight 7 Sep John Day Basin

Mostly clear. Lows in the lower to mid 40s. Light wind.

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Richmond Temperature Statistics

September Temperature

Prineville Airport (54.7 miles)

  • Lowest 5 September, 2026

    35.6 °F

  • Average September

    53.8 °F

  • Highest 1 September, 2026

    80.6 °F

Climate (2021–2026)

Prineville Airport (54.7 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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