Olney Weather Forecast

    • 74
    • 91

    Rain Showers

    • 74
    • 94

    Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

    • 66
    • 85

    Slight Chance Rain Showers

Today 12 Aug Lincoln

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 103.

Tonight 12 Aug Lincoln

Partly cloudy. Isolated Showers and Thunderstorms in the Evening, then scattered Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 102 early in the evening.

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Olney Temperature Statistics

August Temperature

Washington Regional Airport (36.7 miles)

  • Lowest 3 August, 2026

    62.6 °F

  • Average August

    74.1 °F

  • Highest 4 August, 2026

    89.6 °F

Climate (2021–2026)

Washington Regional Airport (36.7 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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