Blackburn Airport Weather Forecast

    • 60
    • 82

    Partly Sunny

    • 67
    • 78

    Chance Rain Showers

    • 71
    • 86

    Slight Chance Thunderstorms

    • 72
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 69
    • 88

    Slight Chance Thunderstorms

    • 67
    • 86

    Partly Sunny

Today 28 Aug Dane

Mostly sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 28 Aug Dane

Partly cloudy. Lows in the lower 60s. Southwest Winds up to 10 Mph.

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Blackburn Airport Temperature Statistics

August Temperature

Janesville-Rock County (18 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    67.9 °F

  • Highest 4 August, 2026

    84.2 °F

Climate (2021–2026)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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