Blackburn Airport Weather Forecast

    • 36
    • 51

    Rain

    • 28
    • 42

    Snow Likely

    • 19
    • 34

    Snow Likely

    • 20
    • 29

    Partly Sunny

    • 29
    • 37

    Mostly Cloudy

    • 27
    • 39

    Chance Rain/Snow

Today 8 Jan Dane

Not as cool. Chance of rain early in the afternoon. Rain late in the afternoon. Highs around 50. South Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 8 Jan Dane

Cloudy. Rain and slight chance of Thunderstorms in the Evening, then chance of light rain in the late evening and early morning. Light rain likely early in the morning. Lows in the mid 30s. South Winds 10 to 15 Mph shifting to the northwest after midnight. Chance of precipitation 90 percent.

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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

    24.5 °F

  • Highest 6 January, 2026

    39.2 °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

    60.2 °F
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