Blackburn Airport Weather Forecast

    • 56
    • 78

    Increasing Clouds

    • 59
    • 80

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 72
    • 92

    Partly Sunny

    • 68
    • 92

    Slight Chance Rain Showers

    • 63
    • 87

    Partly Sunny

Today 23 Jul Dane

Sunny in the morning then becoming partly sunny. Highs in the upper 70s. Southwest Winds up to 5 Mph.

Tonight 23 Jul Dane

Mostly cloudy. Lows in the upper 50s. Southwest Winds up to 5 Mph.

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Blackburn Airport Temperature Statistics

July Temperature

Janesville-Rock County (18 miles)

  • Lowest 12 July, 2026

    53.6 °F

  • Average July

    74.9 °F

  • Highest 14 July, 2026

    95 °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

    60.4 °F
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