Ottawa Weather Forecast

    • 48
    • 75

    Increasing Clouds

    • 57
    • 78

    Chance Rain Showers

    • 49
    • 74

    Slight Chance Rain Showers

    • 50
    • 75

    Partly Sunny

    • 52
    • 78

    Partly Sunny

    • 55
    • 79

    Partly Sunny

Today 27 Aug Montour

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 27 Aug Montour

Mostly clear. Lows in the upper 40s. Northwest Winds around 5 Mph.

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Ottawa Temperature Statistics

August Temperature

Williamsport - Lycoming County Airport (15.5 miles)

  • Lowest 2 August, 2025

    51.7 °F

  • Average August

    72.3 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (15.5 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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