Blair Optimist River Park Weather Forecast

    • 65
    • 70

    Rain Showers Likely

    • 67
    • 80

    Chance Rain Showers

    • 67
    • 86

    Rain Showers Likely

    • 61
    • 77

    Chance Thunderstorms

    • 58
    • 71

    Mostly Cloudy

    • 57
    • 70

    Mostly Cloudy

Today 16 Sep Washington

Cloudy. Showers likely in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs around 70. East Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 16 Sep Washington

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Humid. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blair Optimist River Park Temperature Statistics

September Temperature

Blair Municipal Airport (9.3 miles)

  • Lowest 13 September, 2026

    56.3 °F

  • Average September

    76.5 °F

  • Highest 3 September, 2026

    93.9 °F

Climate (2021–2026)

Blair Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    63.2 °F
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