Grandview Park Weather Forecast

    • 59
    • 72

    Rain Showers

    • 59
    • 69

    Rain Showers Likely

    • 60
    • 74

    Partly Sunny

    • 61
    • 76

    Partly Sunny

    • 65
    • 79

    Mostly Cloudy

    • 68
    • 79

    Chance Rain Showers

    • 69
    • 81

    Chance Rain Showers

Today 25 Jun Jefferson

Showers with a chance of Thunderstorms. Highs Ranging from the lower 70s on the tug hill to the mid 70s across the lower Elevations. Southwest Winds 10 Mph or less. Chance of rain 90 percent.

Tonight 25 Jun Jefferson

Showers with a chance of Thunderstorms this Evening, then Showers likely after midnight. A chance of Showers late. Lows in the upper 50s. Light southeast Winds. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandview Park Temperature Statistics

June Temperature

Watertown, Watertown International Airport (22.4 miles)

  • Lowest 2 June, 2026

    36.6 °F

  • Average June

    64.2 °F

  • Highest 9 June, 2026

    83.6 °F

Climate (2021–2026)

Watertown, Watertown International Airport (22.4 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.5 °F
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