Blackburn Airport Weather Forecast

    • 34
    • 43

    Increasing Clouds

    • 20
    • 46

    Mostly Cloudy

    • 10
    • 27

    Slight Chance Snow

    • 19
    • 25

    Snow Likely

    • 12
    • 31

    Snow Likely

    • 2
    • 16

    Chance Snow

    • 3
    • 15

    Mostly Cloudy

Today 12 Jan Dane

Sunny. Southwest Winds 5 to 10 Mph.

Tonight 12 Jan Dane

Partly cloudy in the evening then becoming mostly cloudy. Chance of Sprinkles early in the morning. Near steady temperature in the mid 30s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

January Temperature

Janesville-Rock County (18 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    28.9 °F

  • Highest 8 January, 2026

    55.4 °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

    60.3 °F
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