Portland Municipal Airport Weather Forecast

    • 60
    • 82

    Mostly Sunny

    • 62
    • 81

    Rain Showers

    • 55
    • 79

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 60
    • 79

    Rain Showers

    • 53
    • 76

    Slight Chance Rain Showers

Today 23 Apr Sumner

Sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 23 Apr Sumner

Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Municipal Airport Temperature Statistics

April Temperature

Springfield Robertson County Airport (24.9 miles)

  • Lowest 6 April, 2026

    37.4 °F

  • Average April

    65.7 °F

  • Highest 3 April, 2026

    86 °F

Climate (2021–Present)

Springfield Robertson County Airport (24.9 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60 °F

  • Average High 2021–2026

    70.1 °F
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