Rock Lake Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 85

    Rain Showers

    • 60
    • 80

    Rain Showers

    • 59
    • 81

    Slight Chance Thunderstorms

    • 67
    • 81

    Chance Rain Showers

    • 72
    • 89

    Mostly Sunny

Today 16 Jun Jefferson

Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the morning. Highs in the mid 80s. South Winds up to 10 Mph.

Tonight 16 Jun Jefferson

Partly cloudy. A 50 percent chance of light Showers and Thunderstorms in the late evening and overnight. Lows in the upper 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

June Temperature

Watertown (11.8 miles)

  • Lowest 1 June, 2025

    38.7 °F

  • Average June

    64.3 °F

  • Highest 11 June, 2025

    84.9 °F

Climate (2020–Present)

Watertown (11.8 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.3 °F
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