Olney Weather Forecast

    • 41
    • 56

    Becoming Sunny

    • 38
    • 59

    Partly Sunny

    • 38
    • 60

    Mostly Cloudy

    • 42
    • 59

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

    • 44
    • 60

    Partly Sunny

Today 31 Oct Central and Southeast Montgomery

Sunny. Highs in the upper 50s. West Winds around 20 Mph with Gusts up to 40 Mph.

Tonight 31 Oct Central and Southeast Montgomery

Clear. Lows in the lower 40s. West Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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Olney Temperature Statistics

October Temperature

Gaithersburg - Montgomery County Airport (5 miles)

  • Lowest 25 October, 2025

    32 °F

  • Average October

    55.9 °F

  • Highest 6 October, 2025

    82 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (5 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.9 °F
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