Blackburn Airport Weather Forecast

    • 69
    • 87

    Mostly Cloudy

    • 63
    • 82

    Rain Showers Likely

    • 61
    • 82

    Partly Sunny

    • 63
    • 84

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

Today 8 Jul Dane

Warm and humid. Partly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 8 Jul Dane

Partly cloudy. Near steady temperature in the upper 60s. Southwest Winds up to 5 Mph.

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Blackburn Airport Temperature Statistics

July Temperature

Janesville-Rock County (18 miles)

  • Lowest 5 July, 2026

    64.4 °F

  • Average July

    73.9 °F

  • Highest 1 July, 2026

    91.4 °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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