Summitville Weather Forecast

    • 68
    • 90

    Chance Thunderstorms

    • 66
    • 87

    Slight Chance Thunderstorms

    • 66
    • 88

    Mostly Sunny

    • 62
    • 85

    Partly Sunny

    • 63
    • 85

    Partly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

Today 20 Aug Coffee

Partly sunny. Chance of Thunderstorms. Highs in the lower 90s. East Winds up to 5 Mph shifting to the west in the afternoon. Chance of precipitation 40 percent.

Tonight 20 Aug Coffee

Mostly cloudy. A 40 percent chance of Thunderstorms in the evening. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the upper 60s. Southwest Winds up to 5 Mph in the evening becoming light.

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Summitville Temperature Statistics

August Temperature

McMinnville Warren County Memorial Airport (12.4 miles)

  • Lowest 2 August, 2026

    66.2 °F

  • Average August

    77.8 °F

  • Highest 17 August, 2026

    95 °F

Climate (2021–2026)

McMinnville Warren County Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    70.7 °F
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