Portland City Lake Weather Forecast

    • 9
    • 21

    Sunny

    • 23
    • 36

    Mostly Sunny

    • 35
    • 47

    Partly Sunny

    • 44
    • 50

    Rain Showers Likely

    • 25
    • 58

    Rain Showers

    • 28
    • 39

    Partly Sunny

    • 46
    • 56

    Chance Rain Showers

Today 14 Dec Sumner

Sunny and much cooler. Near steady temperature around 19. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 Dec Sumner

Clear, cold with Lows around 10 above. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland City Lake Temperature Statistics

December Temperature

Springfield Robertson County Airport (24.2 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    35.1 °F

  • Highest 10 December, 2025

    53.6 °F

Climate (2020–Present)

Springfield Robertson County Airport (24.2 miles)

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  • Average Low 2020–2025

    49.8 °F

  • Average 2020–2025

    59.6 °F

  • Average High 2020–2025

    69.6 °F
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