Blackburn Airport Weather Forecast

    • 59
    • 81

    Decreasing Clouds

    • 58
    • 82

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 66
    • 85

    Chance Thunderstorms

    • 63
    • 84

    Rain Showers Likely

    • 61
    • 82

    Slight Chance Thunderstorms

Today 5 Jul Dane

Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Jul Dane

Mostly clear. Lows around 60. Northeast Winds up to 10 Mph.

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  • Temperature Real-Time

Blackburn Airport Temperature Statistics

July Temperature

Janesville-Rock County (18 miles)

  • Lowest 2 July, 2026

    69.8 °F

  • Average July

    78.8 °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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