Washington Grove Weather Forecast

    • 28
    • 43

    Mostly Sunny

    • 29
    • 44

    Mostly Sunny

    • 39
    • 48

    Mostly Cloudy

    • 28
    • 49

    Chance Rain

    • 20
    • 35

    Slight Chance Snow

    • 25
    • 35

    Mostly Cloudy

Today 11 Jan Central and Southeast Montgomery

Mostly sunny. A slight chance of rain and snow Showers in the afternoon. Highs in the lower 40s. West Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 11 Jan Central and Southeast Montgomery

Cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Washington Grove Temperature Statistics

January Temperature

Gaithersburg - Montgomery County Airport (1.9 miles)

  • Lowest 1 January, 2026

    19.9 °F

  • Average January

    33.7 °F

  • Highest 7 January, 2026

    57.9 °F

Climate (2021–Present)

Gaithersburg - Montgomery County Airport (1.9 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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