Ottawa Weather Forecast

    • 63
    • 92

    Partly Sunny

    • 63
    • 91

    Chance Thunderstorms

    • 58
    • 88

    Slight Chance Thunderstorms

    • 56
    • 86

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 66
    • 92

    Partly Sunny

Today 5 Jun Montour

Mostly sunny. Hot with Highs in the lower 90s. West Winds around 5 Mph.

Tonight 5 Jun Montour

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the mid 60s. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ottawa Temperature Statistics

June Temperature

Williamsport - Lycoming County Airport (15.5 miles)

  • Lowest 1 June, 2026

    45.6 °F

  • Average June

    61.4 °F

  • Highest 2 June, 2026

    75.9 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.3 °F
Get WillyWeather+ to remove ads