Olney Weather Forecast

    • 47
    • 55

    Slight Chance Rain Showers

    • 64
    • 80

    Partly Sunny

    • 61
    • 84

    Chance Rain Showers

    • 41
    • 70

    Rain Showers

    • 39
    • 58

    Partly Sunny

    • 30
    • 54

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

Today 2 Apr Central and Southeast Montgomery

Cloudy with a 20 percent chance of Showers. Much cooler with Highs in the mid 50s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 2 Apr Central and Southeast Montgomery

Cloudy. A slight chance of Showers this Evening, then a slight chance of very light drizzle after midnight. Patchy fog this Evening, then Areas of fog after midnight. Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Olney Temperature Statistics

April Temperature

Gaithersburg - Montgomery County Airport (5 miles)

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Climate (2021–Present)

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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