Johnson Creek Weather Forecast

    • 59
    • 70

    Rain Showers

    • 58
    • 72

    Rain Showers

    • 51
    • 68

    Chance Rain Showers

    • 47
    • 61

    Mostly Cloudy

    • 46
    • 62

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 49
    • 68

    Partly Sunny

Today 18 Sep Jefferson

Mostly cloudy with a 40 percent chance of light Showers. Near steady temperature in the upper 60s. East Winds 10 to 15 Mph.

Tonight 18 Sep Jefferson

Chance of light Showers and slight chance of Thunderstorms through around Midnight, then Showers and chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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Johnson Creek Temperature Statistics

September Temperature

Watertown (6.8 miles)

  • Lowest 14 September, 2026

    40.8 °F

  • Average September

    68.4 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (6.8 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.9 °F
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