Letterkenny Reservoir Weather Forecast

    • 36
    • 45

    Rain

    • 34
    • 49

    Rain

    • 23
    • 40

    Mostly Cloudy

    • 34
    • 40

    Mostly Cloudy

    • 31
    • 54

    Mostly Cloudy

    • 28
    • 42

    Partly Sunny

Today 30 Jan Franklin

Sunny. Highs in the mid 40s. Southwest Winds around 5 Mph.

Tonight 30 Jan Franklin

Mostly clear. Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

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Letterkenny Reservoir Temperature Statistics

January Temperature

Hagerstown, Washington County Regional Airport (28 miles)

  • Lowest 22 January, 2025

    1.9 °F

  • Average January

    27 °F

  • Highest 1 January, 2025

    48.7 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (28 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    65.7 °F
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