Seneca Weather Forecast

    • 41
    • 64

    Chance Rain

    • 54
    • 70

    Partly Sunny

    • 51
    • 73

    Rain Showers

    • 49
    • 68

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 11 May Northwest Montgomery

Partly sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 11 May Northwest Montgomery

Mostly clear. Lows in the lower 40s. North Winds around 5 Mph.

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Seneca Temperature Statistics

May Temperature

Gaithersburg - Montgomery County Airport (11.2 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    59.1 °F

  • Highest 5 May, 2026

    84 °F

Climate (2021–Present)

Gaithersburg - Montgomery County Airport (11.2 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    66 °F
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