Race Track Park Weather Forecast

    • 72
    • 91

    Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 64
    • 85

    Chance Rain Showers

    • 65
    • 85

    Slight Chance Thunderstorms

Today 26 Jul Rock

Very warm and humid. Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the morning. Patchy fog in the morning. Highs in the lower 90s. Southwest Winds up to 10 Mph. Highest heat index Readings 98 to 103 in the late morning and afternoon.

Tonight 26 Jul Rock

Partly cloudy through around midnight then becoming mostly cloudy. Slight chance of light Showers through around midnight. Slight chance of Thunderstorms late in the Evening, then chance of light Showers and Thunderstorms early in the morning. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent. Highest heat index Readings 95 to 99 in the evening.

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Race Track Park Temperature Statistics

July Temperature

Janesville-Rock County (14.9 miles)

  • Lowest 22 July, 2026

    50 °F

  • Average July

    74.3 °F

  • Highest 14 July, 2026

    95 °F

Climate (2021–2026)

Janesville-Rock County (14.9 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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