Olney Weather Forecast

    • 57
    • 71

    Slight Chance Rain Showers

    • 56
    • 77

    Mostly Sunny

    • 66
    • 82

    Mostly Cloudy

    • 68
    • 84

    Rain Showers Likely

    • 60
    • 77

    Rain Showers Likely

    • 53
    • 67

    Chance Rain Showers

    • 54
    • 67

    Chance Rain Showers

Today 27 Sep Lincoln

Mostly sunny. A slight chance of Showers in the morning. Highs in the upper 60s. Chance of rain 20 percent.

Tonight 27 Sep Lincoln

Mostly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Olney Temperature Statistics

September Temperature

Washington Regional Airport (36.7 miles)

  • Lowest 25 September, 2026

    53.6 °F

  • Average September

    78 °F

  • Highest 5 September, 2026

    102.2 °F

Climate (2021–2026)

Washington Regional Airport (36.7 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.7 °F
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