Portland Municipal Airport Weather Forecast

    • 60
    • 75

    Chance Rain Showers

    • 65
    • 81

    Rain Showers Likely

    • 52
    • 74

    Rain Showers

    • 53
    • 65

    Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 63
    • 79

    Rain Showers

Today 5 Mar Sumner

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 5 Mar Sumner

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Municipal Airport Temperature Statistics

March Temperature

Springfield Robertson County Airport (24.9 miles)

  • Lowest 2 March, 2026

    41 °F

  • Average March

    50.9 °F

  • Highest 1 March, 2026

    62.6 °F

Climate (2021–Present)

Springfield Robertson County Airport (24.9 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    69.9 °F
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