Seneca Weather Forecast

    • 30
    • 46

    Rain/Snow Likely

    • 18
    • 34

    Snow Likely

    • 14
    • 37

    Mostly Sunny

    • 13
    • 26

    Mostly Sunny

    • 29
    • 39

    Mostly Cloudy

    • 23
    • 43

    Slight Chance Snow

Today 17 Jan Northwest Montgomery

Partly sunny. Highs in the mid 40s. Southwest Winds 5 to 10 Mph.

Tonight 17 Jan Northwest Montgomery

Partly cloudy in the Evening, then cloudy with a chance of rain and snow after midnight. Little or no snow accumulation. Lows around 30. West Winds around 5 Mph, becoming north after midnight. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Seneca Temperature Statistics

January Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 1 January, 2026

    19.9 °F

  • Average January

    36.8 °F

  • Highest 7 January, 2026

    57.9 °F

Climate (2021–Present)

Gaithersburg - Montgomery County Airport (11.2 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.9 °F
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