Blackburn Airport Weather Forecast

    • 36
    • 49

    Increasing Clouds

    • 44
    • 64

    Partly Sunny

    • 58
    • 75

    Rain Likely

    • 33
    • 73

    Rain Likely

    • 30
    • 46

    Chance Snow

    • 34
    • 44

    Chance Rain

Today 28 Mar Dane

Sunny. Highs around 50. Southwest Winds 5 to 15 Mph.

Tonight 28 Mar Dane

Not as cool. Partly cloudy through around midnight then becoming mostly cloudy. Lows in the upper 30s. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Blackburn Airport Temperature Statistics

March Temperature

Janesville-Rock County (18 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    38.8 °F

  • Highest 21 March, 2026

    77 °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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