Helenville Weather Forecast

    • 49
    • 62

    Decreasing Clouds

    • 48
    • 65

    Partly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 46
    • 66

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 52
    • 69

    Mostly Cloudy

Today 22 Sep Jefferson

Partly sunny. A 50 percent chance of light rain Showers late in the morning. Highs in the lower 60s. Northeast Winds 10 to 15 Mph.

Tonight 22 Sep Jefferson

Partly cloudy until early morning then becoming mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Helenville Temperature Statistics

September Temperature

Watertown (10.6 miles)

  • Lowest 14 September, 2026

    40.8 °F

  • Average September

    67 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (10.6 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.8 °F
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