Beloit Airport Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 53
    • 78

    Breezy

    • 28
    • 59

    Chance Rain/Snow

    • 26
    • 43

    Partly Sunny

    • 42
    • 58

    Partly Sunny

    • 39
    • 66

    Mostly Cloudy

Today 13 Mar Rock

Sunny. Highs in the mid 60s. Southeast Winds 5 to 10 Mph.

Tonight 13 Mar Rock

Not as cool. Partly cloudy. A 20 percent chance of light rain Showers early in the morning. Lows in the mid 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beloit Airport Temperature Statistics

March Temperature

Janesville-Rock County (9.3 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    35.2 °F

  • Highest 10 March, 2025

    68 °F

Climate (2020–Present)

Janesville-Rock County (9.3 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.2 °F
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