Vassar State Park Weather Forecast

    • 70
    • 94

    Thunderstorms

    • 72
    • 91

    Chance Rain Showers

    • 70
    • 92

    Mostly Sunny

    • 72
    • 91

    Rain Showers Likely

    • 67
    • 92

    Rain Showers Likely

    • 62
    • 79

    Slight Chance Thunderstorms

    • 58
    • 74

    Partly Sunny

Today 15 Sep Osage

Showers and Thunderstorms. Highs in the lower 90s. Temperature falling into the lower 80s. West Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 15 Sep Osage

Showers and Thunderstorms. Lows in the upper 60s. Northeast Winds 10 to 15 Mph, becoming east 5 to 10 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vassar State Park Temperature Statistics

September Temperature

Topeka, Forbes Field (19.9 miles)

  • Lowest 11 September, 2026

    62.1 °F

  • Average September

    80.5 °F

  • Highest 8 September, 2026

    102 °F

Climate (2021–2026)

Topeka, Forbes Field (19.9 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    68.8 °F
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