Portland International Jetport Weather Forecast

    • 56
    • 79

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 61
    • 77

    Rain Showers Likely

    • 61
    • 79

    Chance Rain Showers

Today 24 Jul Coastal Cumberland

Mostly sunny. Highs around 80. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 24 Jul Coastal Cumberland

Mostly clear. Lows in the mid 50s. South Winds around 10 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland International Jetport Temperature Statistics

July Temperature

Portland, Portland International Jetport (0 miles)

  • Lowest 18 July, 2026

    54.6 °F

  • Average July

    73.2 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

Portland, Portland International Jetport (0 miles)

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

  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
Get WillyWeather+ to remove ads