Rock River Park Weather Forecast

    • 65
    • 84

    Chance Rain Showers

    • 63
    • 80

    Chance Thunderstorms

    • 62
    • 80

    Rain Showers

    • 67
    • 79

    Rain Showers Likely

    • 61
    • 81

    Partly Sunny

    • 59
    • 78

    Partly Sunny

Today 12 Aug Jefferson

Partly sunny. Patchy fog in the morning. Patchy smoke late in the afternoon. A 20 percent chance of light Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southeast Winds up to 5 Mph.

Tonight 12 Aug Jefferson

Patchy smoke in the evening. Partly cloudy until early Morning, then cloudy with a 50 percent chance of light Showers early in the morning. Lows in the lower 60s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock River Park Temperature Statistics

August Temperature

Watertown (17.4 miles)

  • Lowest 3 August, 2026

    52.9 °F

  • Average August

    69.9 °F

  • Highest 7 August, 2026

    83.8 °F

Climate (2021–2026)

Watertown (17.4 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.9 °F
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