Gaithersburg Weather Forecast

    • 39
    • 71

    Rain Showers

    • 41
    • 61

    Mostly Sunny

    • 30
    • 50

    Mostly Sunny

    • 37
    • 54

    Mostly Sunny

    • 46
    • 65

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

Today 5 Apr Central and Southeast Montgomery

Showers with isolated Thunderstorms. Highs in the lower 70s. Temperature falling into the lower 60s this afternoon. Southwest Winds 10 to 15 Mph, becoming northwest this afternoon. Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 5 Apr Central and Southeast Montgomery

Partly cloudy in the Evening, then clearing. Cooler with Lows around 40. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gaithersburg Temperature Statistics

April Temperature

Gaithersburg - Montgomery County Airport (2.5 miles)

  • Lowest 2 April, 2026

    46.4 °F

  • Average April

    63.4 °F

  • Highest 1 April, 2026

    84.9 °F

Climate (2021–Present)

Gaithersburg - Montgomery County Airport (2.5 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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