St Johns Weather Forecast

    • 58
    • 82

    Mostly Cloudy

    • 59
    • 83

    Partly Sunny

    • 57
    • 83

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 60
    • 85

    Partly Sunny

    • 58
    • 80

    Chance Rain

    • 58
    • 76

    Mostly Cloudy

Today 16 Aug Inner Portland Metro

Sunny. Highs in the lower 80s. Winds light.

Tonight 16 Aug Inner Portland Metro

Mostly cloudy. Lows in the upper 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

August Temperature

Pearson Airfield (5 miles)

  • Lowest 3 August, 2026

    53.7 °F

  • Average August

    71.1 °F

  • Highest 6 August, 2026

    94.6 °F

Climate (2021–2026)

Pearson Airfield (5 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.6 °F
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