Janesville Weather Forecast

    • 54
    • 78

    Sunny

    • 65
    • 82

    Partly Sunny

    • 70
    • 82

    Rain Showers Likely

    • 69
    • 90

    Chance Thunderstorms

    • 63
    • 87

    Partly Sunny

    • 63
    • 84

    Chance Thunderstorms

Today 27 Aug Waseca

Clear. Areas of fog early in the morning. Highs in the upper 70s. Northwest Winds up to 10 Mph.

Tonight 27 Aug Waseca

Clear. Lows in the lower 50s. Northwest Winds up to 5 Mph.

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  • Temperature Real-Time

Janesville Temperature Statistics

August Temperature

Waseca Municipal Airport (8.1 miles)

  • Lowest 23 August, 2026

    44.6 °F

  • Average August

    68.1 °F

  • Highest 11 August, 2026

    82.4 °F

Climate (2021–2026)

Waseca Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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