Blackburn Airport Weather Forecast

    • 56
    • 79

    Decreasing Clouds

    • 61
    • 80

    Rain Showers Likely

    • 60
    • 79

    Rain Showers Likely

    • 57
    • 80

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 59
    • 77

    Partly Sunny

Today 19 Aug Dane

Partly sunny. Highs in the upper 70s. North Winds up to 5 Mph.

Tonight 19 Aug Dane

Mostly clear. Patchy fog early in the morning. Lows in the mid 50s. Northeast Winds up to 5 Mph through around midnight becoming calm.

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  • Temperature Real-Time

Blackburn Airport Temperature Statistics

August Temperature

Janesville-Rock County (18 miles)

  • Lowest 3 August, 2026

    53.6 °F

  • Average August

    69.8 °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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