Ottawa Weather Forecast

    • 39
    • 45

    Rain

    • 42
    • 48

    Mostly Cloudy

    • 47
    • 59

    Rain Showers Likely

    • 40
    • 60

    Mostly Sunny

    • 46
    • 65

    Mostly Sunny

    • 54
    • 70

    Chance Rain Showers

Today 5 Mar Montour

Areas of fog this morning. Rain. Highs in the mid 40s. East Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 5 Mar Montour

Rain, mainly in the evening. Lows in the upper 30s. East Winds around 5 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Ottawa Temperature Statistics

March Temperature

Williamsport - Lycoming County Airport (15.5 miles)

  • Lowest 2 March, 2026

    17.1 °F

  • Average March

    29.9 °F

  • Highest 1 March, 2026

    40.6 °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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