Olney Weather Forecast

    • 29
    • 43

    Chance Snow Showers

    • 16
    • 34

    Rain/Snow

    • 4
    • 20

    Partly Sunny

    • 5
    • 21

    Chance Snow

    • 5
    • 18

    Partly Sunny

    • 15
    • 28

    Slight Chance Snow

Today 18 Jan Central and Southeast Montgomery

Cloudy with a 40 percent chance of rain Showers. Highs in the mid 40s. South Winds 5 to 10 Mph.

Tonight 18 Jan Central and Southeast Montgomery

Mostly cloudy. Lows around 30. South Winds 5 to 10 Mph.

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Olney Temperature Statistics

January Temperature

Gaithersburg - Montgomery County Airport (5 miles)

  • Lowest 5 January, 2025

    16 °F

  • Average January

    27.8 °F

  • Highest 1 January, 2025

    46.9 °F

Climate (2020–Present)

Gaithersburg - Montgomery County Airport (5 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.9 °F
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