Keystone Weather Forecast

    • 67
    • 76

    Rain Showers Likely

    • 62
    • 81

    Rain Showers

    • 57
    • 68

    Rain Showers Likely

    • 52
    • 62

    Chance Rain Showers

    • 49
    • 61

    Partly Sunny

    • 54
    • 66

    Mostly Cloudy

Today 18 Sep Benton

Patchy fog in the morning. Mostly cloudy with a slight chance of Thunderstorms. Showers Likely, mainly in the morning. Humid with Highs in the mid 70s. East Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 18 Sep Benton

Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Keystone Temperature Statistics

September Temperature

Vinton, Vinton Veterans Memorial Airpark Airport (17.4 miles)

  • Lowest 13 September, 2026

    51.8 °F

  • Average September

    72.6 °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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