Olney Lake Weather Forecast

    • 40
    • 60

    Mostly Sunny

    • 56
    • 72

    Rain Showers

    • 39
    • 71

    Rain Showers Likely

    • 28
    • 45

    Slight Chance Rain/Snow

    • 41
    • 53

    Mostly Sunny

    • 47
    • 65

    Mostly Cloudy

Today 13 Mar Branch

Sunny. Highs around 60. East Winds 5 to 10 Mph.

Tonight 13 Mar Branch

Clear. Lows around 40. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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Olney Lake Temperature Statistics

March Temperature

Branch County Memorial Airport (8.1 miles)

  • Lowest 2 March, 2025

    14 °F

  • Average March

    36.2 °F

  • Highest 10 March, 2025

    64.4 °F

Climate (2020–Present)

Branch County Memorial Airport (8.1 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    59.4 °F
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