Blackhawk Island Airport Weather Forecast

    • 58
    • 85

    Partly Sunny

    • 60
    • 85

    Increasing Clouds

    • 60
    • 81

    Chance Rain Showers

    • 61
    • 80

    Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 59
    • 80

    Chance Rain Showers

    • 56
    • 77

    Slight Chance Thunderstorms

Today 17 Sep Jefferson

Sunny. Southeast Winds up to 5 Mph.

Tonight 17 Sep Jefferson

Partly cloudy. Patchy fog early in the morning. Lows in the upper 50s. Southeast Winds up to 5 Mph through around midnight becoming calm.

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Blackhawk Island Airport Temperature Statistics

September Temperature

Watertown (18.6 miles)

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  • Average September

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Climate (2020–Present)

Watertown (18.6 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    54.5 °F
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