Potomac Weather Forecast

    • 16
    • 31

    Increasing Clouds

    • 14
    • 33

    Chance Snow

    • 8
    • 21

    Blustery

    • 15
    • 22

    Partly Sunny

    • 22
    • 34

    Mostly Cloudy

    • 25
    • 41

    Mostly Cloudy

Today 5 Feb Central and Southeast Montgomery

Sunny. Highs in the lower 30s. North Winds 5 to 10 Mph.

Tonight 5 Feb Central and Southeast Montgomery

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows around 14. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac Temperature Statistics

February Temperature

Gaithersburg - Montgomery County Airport (10.6 miles)

  • Lowest 1 February, 2026

    10 °F

  • Average February

    20.7 °F

  • Highest 2 February, 2026

    32 °F

Climate (2021–Present)

Gaithersburg - Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.8 °F
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