Spring Valley Farm Airport Weather Forecast

    • 51
    • 70

    Chance Rain Showers

    • 56
    • 79

    Slight Chance Thunderstorms

    • 51
    • 77

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 67
    • 86

    Chance Thunderstorms

Today 29 May Rock

Partly sunny. A 40 percent chance of light rain Showers in the afternoon. Highs around 70. Northwest Winds 5 to 10 Mph.

Tonight 29 May Rock

Partly cloudy. Slight chance of Sprinkles in the evening. Lows in the lower 50s. Northwest Winds up to 5 Mph.

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Spring Valley Farm Airport Temperature Statistics

May Temperature

Janesville-Rock County (13.7 miles)

  • Lowest 9 May, 2025

    32 °F

  • Average May

    53.8 °F

  • Highest 15 May, 2025

    91.4 °F

Climate (2020–Present)

Janesville-Rock County (13.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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