Seneca Weather Forecast

    • 34
    • 34

    Rain/Sleet Likely

    • 31
    • 43

    Mostly Cloudy

    • 43
    • 47

    Rain Likely

    • 27
    • 60

    Chance Rain

    • 24
    • 36

    Partly Sunny

    • 24
    • 42

    Mostly Cloudy

Today 26 Dec Northwest Montgomery

Cloudy. A chance of Sleet, rain with a slight chance of freezing rain in the afternoon. Ice accumulation around a trace. Cooler with Highs in the lower 30s. East Winds around 5 Mph, becoming southeast with Gusts up to 20 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 26 Dec Northwest Montgomery

Cloudy. Rain likely with possible freezing rain and sleet in the evening. Little or no sleet accumulation. Ice accumulation around a trace. Lows in the lower 30s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of precipitation 80 percent.

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Seneca Temperature Statistics

December Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 16 December, 2025

    10.9 °F

  • Average December

    34 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (11.2 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.9 °F
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