Ottawa Weather Forecast

    • 26
    • 48

    Decreasing Clouds

    • 42
    • 55

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 47
    • 73

    Partly Sunny

    • 50
    • 74

    Chance Rain Showers

    • 47
    • 64

    Rain Showers Likely

Today 20 Apr Montour

Partly sunny. Highs in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 20 Apr Montour

Mostly cloudy with scattered rain Showers. Near steady temperature in the upper 30s. West Winds around 5 Mph. Chance of rain 30 percent.

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Ottawa Temperature Statistics

April Temperature

Williamsport - Lycoming County Airport (15.5 miles)

  • Lowest 8 April, 2026

    22.6 °F

  • Average April

    56.2 °F

  • Highest 16 April, 2026

    90.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (15.5 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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