Keystone Weather Forecast

    • 65
    • 87

    Becoming Sunny

    • 67
    • 90

    Mostly Sunny

    • 68
    • 89

    Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

    • 69
    • 87

    Rain Showers Likely

    • 67
    • 88

    Chance Thunderstorms

Today 23 Jul McDowell

Patchy fog in the morning. Sunny. Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 23 Jul McDowell

Mostly clear. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Keystone Temperature Statistics

July Temperature

Bluefield, Mercer County Airport (15.5 miles)

  • Lowest 6 July, 2025

    60.7 °F

  • Average July

    73.6 °F

  • Highest 7 July, 2025

    86.6 °F

Climate (2020–Present)

Bluefield, Mercer County Airport (15.5 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61.8 °F
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