Blackburn Airport Weather Forecast

    • 65
    • 79

    Chance Thunderstorms

    • 60
    • 82

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 64
    • 80

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 25 Aug Dane

Mostly sunny. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 25 Aug Dane

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. A 50 percent chance of light Showers and Thunderstorms in the late evening and overnight. Lows in the mid 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

August Temperature

Janesville-Rock County (18 miles)

  • Lowest 3 August, 2026

    53.6 °F

  • Average August

    68.4 °F

  • Highest 4 August, 2026

    84.2 °F

Climate (2021–2026)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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