Portland Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 75
    • 92

    Mostly Sunny

    • 74
    • 92

    Mostly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 74
    • 90

    Chance Thunderstorms

Today 22 Jul Sumner

Patchy fog in the morning. Mostly sunny with a chance of Showers and Thunderstorms. Humid with Highs in the lower 90s. Northeast Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 107.

Tonight 22 Jul Sumner

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 70s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Portland Temperature Statistics

July Temperature

Springfield Robertson County Airport (22.4 miles)

  • Lowest 2 July, 2025

    66.2 °F

  • Average July

    79.6 °F

  • Highest 5 July, 2025

    95 °F

Climate (2020–Present)

Springfield Robertson County Airport (22.4 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    59.4 °F

  • Average High 2020–2025

    69.3 °F
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