Blackburn Airport Weather Forecast

    • 39
    • 60

    Mostly Cloudy

    • 46
    • 68

    Increasing Clouds

    • 27
    • 48

    Mostly Cloudy

    • 33
    • 47

    Partly Sunny

    • 34
    • 56

    Mostly Cloudy

    • 41
    • 50

    Mostly Cloudy

    • 26
    • 62

    Chance Rain

Today 20 Mar Dane

Mostly cloudy. North Winds 5 to 10 Mph.

Tonight 20 Mar Dane

Mostly cloudy. Patchy fog early in the morning. Lows in the upper 30s. Northeast Winds up to 5 Mph shifting to the southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

March Temperature

Janesville-Rock County (18 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    36.5 °F

  • Highest 9 March, 2026

    71.6 °F

Climate (2021–Present)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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