Keystone Weather Forecast

    • 68
    • 89

    Rain Showers

    • 59
    • 82

    Chance Rain Showers

    • 56
    • 79

    Sunny

    • 64
    • 83

    Rain Showers Likely

    • 57
    • 81

    Chance Rain Showers

    • 59
    • 76

    Chance Thunderstorms

Today 8 Sep Benton

Partly sunny. A chance of Showers and Thunderstorms late this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds around 10 Mph. Chance of rain 40 percent.

Tonight 8 Sep Benton

A chance of Thunderstorms. Showers likely in the Evening, then Showers after midnight. Locally heavy rainfall possible in the evening. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Temperature Statistics

September Temperature

Vinton, Vinton Veterans Memorial Airpark Airport (17.4 miles)

  • Lowest 6 September, 2026

    68 °F

  • Average September

    79.2 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Vinton, Vinton Veterans Memorial Airpark Airport (17.4 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    61.9 °F
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