Blackburn Airport Weather Forecast

    • 69
    • 86

    Rain Showers Likely

    • 56
    • 81

    Patchy Smoke

    • 55
    • 77

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 61
    • 82

    Partly Sunny

    • 64
    • 85

    Partly Sunny

Today 20 Jul Dane

Warm and humid. Partly sunny. Patchy smoke until late afternoon. A 50 percent chance of light Showers and Thunderstorms in the late morning and afternoon. Highs in the mid 80s. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 20 Jul Dane

Partly cloudy. Patchy smoke. Near steady temperature in the lower 60s. South 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

    74.7 °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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