Lake Saint John Weather Forecast

    • 30
    • 49

    Increasing Clouds

    • 28
    • 49

    Becoming Sunny

    • 34
    • 54

    Mostly Sunny

    • 32
    • 54

    Mostly Sunny

    • 37
    • 56

    Mostly Cloudy

    • 38
    • 58

    Partly Sunny

    • 32
    • 56

    Chance Rain/Snow

Today 11 Feb Hamlin

Partly sunny. Near steady temperature in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 11 Feb Hamlin

Mostly cloudy. Lows in the upper 20s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Saint John Temperature Statistics

February Temperature

Watertown, Watertown Municipal Airport (23 miles)

  • Lowest 2 February, 2026

    5.6 °F

  • Average February

    26.4 °F

  • Highest 5 February, 2026

    46.7 °F

Climate (2021–Present)

Watertown, Watertown Municipal Airport (23 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    55.8 °F
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