Olney Weather Forecast

    • 59
    • 69

    Rain Showers

    • 61
    • 68

    Rain Showers

    • 57
    • 70

    Partly Sunny

    • 62
    • 76

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 54
    • 67

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 10 Oct Central and Southeast Montgomery

Cloudy. Highs around 70. East Winds around 10 Mph.

Tonight 10 Oct Central and Southeast Montgomery

Cloudy. Showers after midnight. Lows around 60. East Winds 5 to 10 Mph. Chance of rain 90 percent.

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Olney Temperature Statistics

October Temperature

Gaithersburg - Montgomery County Airport (5 miles)

  • Lowest 6 October, 2026

    39.9 °F

  • Average October

    62.4 °F

  • Highest 2 October, 2026

    88 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (5 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.9 °F
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