Winchester Weather Forecast

    • 70
    • 90

    Slight Chance Thunderstorms

    • 67
    • 91

    Partly Sunny

    • 70
    • 92

    Mostly Sunny

    • 68
    • 89

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

    • 66
    • 86

    Chance Rain Showers

    • 62
    • 83

    Chance Rain Showers

Today 8 Aug Frederick

Mostly sunny with a slight chance of Thunderstorms with isolated Showers. Highs in the upper 80s except in the lower 80s at the higher Elevations. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 8 Aug Frederick

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 70. Southwest Winds 5 to 10 Mph.

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Winchester Temperature Statistics

August Temperature

Winchester Regional (2.5 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    74 °F

  • Highest 3 August, 2026

    86 °F

Climate (2021–2026)

Winchester Regional (2.5 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    64.4 °F
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