St Johns Weather Forecast

    • 54
    • 60

    Rain Showers

    • 51
    • 58

    Rain Showers

    • 47
    • 57

    Mostly Cloudy

    • 46
    • 56

    Rain Likely

    • 50
    • 55

    Rain Likely

    • 48
    • 58

    Rain

    • 46
    • 54

    Rain

Today 10 Dec Inner Portland Metro

Showers likely. Highs around 60. Southwest wind 10 to 15 Mph. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 10 Dec Inner Portland Metro

Showers. Lows in the mid 50s. Southwest wind 10 to 15 Mph. Chance of rain 90 percent. Rainfall Amounts around a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

December Temperature

Pearson Airfield (5 miles)

  • Lowest 1 December, 2025

    30.9 °F

  • Average December

    47.8 °F

  • Highest 5 December, 2025

    57.9 °F

Climate (2020–Present)

Pearson Airfield (5 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.6 °F
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