Keystone Weather Forecast

    • 59
    • 87

    Thunderstorms Likely

    • 59
    • 86

    Rain Showers

    • 66
    • 88

    Rain Showers Likely

    • 60
    • 88

    Rain Showers Likely

    • 47
    • 79

    Chance Rain Showers

    • 47
    • 71

    Slight Chance Rain Showers

Today 15 May Benton

Mostly sunny. Highs in the upper 80s. South Winds 10 to 15 Mph.

Tonight 15 May Benton

Showers likely. Thunderstorms. Lows in the upper 50s. Southeast Winds 10 to 15 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Temperature Statistics

May Temperature

Vinton, Vinton Veterans Memorial Airpark Airport (17.4 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    55.5 °F

  • Highest 4 May, 2026

    81.7 °F

Climate (2021–Present)

Vinton, Vinton Veterans Memorial Airpark Airport (17.4 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    62.3 °F
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