Blackburn Airport Weather Forecast

    • 56
    • 83

    Mostly Cloudy

    • 52
    • 76

    Mostly Cloudy

    • 53
    • 77

    Mostly Cloudy

    • 52
    • 82

    Partly Sunny

    • 53
    • 81

    Mostly Sunny

    • 57
    • 83

    Partly Sunny

Today 29 May Dane

Partly sunny. Highs in the lower 80s. Calm Winds becoming north up to 5 Mph in the afternoon.

Tonight 29 May Dane

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the mid 50s. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

May Temperature

Janesville-Rock County (18 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    56 °F

  • Highest 26 May, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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