Jana Airport Weather Forecast

    • 58
    • 80

    Thunderstorms

    • 56
    • 84

    Chance Rain Showers

    • 64
    • 83

    Rain Showers Likely

    • 62
    • 83

    Rain Showers Likely

    • 48
    • 75

    Chance Rain Showers

    • 43
    • 65

    Partly Sunny

    • 47
    • 67

    Partly Sunny

Today 15 May Dane

Sunny. South Winds 10 to 15 Mph.

Tonight 15 May Dane

Clear in the Evening, then rain Showers and Thunderstorms in the late evening and early morning. Mostly cloudy with slight chance of light rain Showers early in the morning. Lows in the upper 50s. South Winds 5 to 15 Mph. Chance of precipitation near 100 percent.

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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

    48.8 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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