Jana Airport Weather Forecast

    • 55
    • 85

    Mostly Cloudy

    • 52
    • 72

    Mostly Cloudy

    • 52
    • 77

    Mostly Cloudy

    • 52
    • 81

    Partly Sunny

    • 53
    • 82

    Mostly Sunny

    • 60
    • 85

    Partly Sunny

    • 63
    • 87

    Chance Rain Showers

Today 29 May Dane

Mostly sunny. West Winds up to 5 Mph.

Tonight 29 May Dane

Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid 50s. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jana Airport Temperature Statistics

May Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    56 °F

  • Highest 26 May, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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