Watertown Weather Forecast

    • 65
    • 84

    Thunderstorms Likely

    • 63
    • 78

    Rain Showers Likely

    • 60
    • 73

    Chance Thunderstorms

    • 61
    • 75

    Chance Thunderstorms

    • 61
    • 76

    Chance Thunderstorms

    • 57
    • 80

    Slight Chance Thunderstorms

Today 17 Sep Carver

Partly sunny. Patchy fog early in the morning. Slight chance of Thunderstorms early in the morning. Slight chance of Thunderstorms early in the Afternoon, then chance of Thunderstorms late in the afternoon. Highs in the mid 80s. Southeast Winds up to 5 Mph. Chance of Thunderstorms 50 percent.

Tonight 17 Sep Carver

Thunderstorms likely. Lows in the mid 60s. East Winds up to 5 Mph. Chance of Thunderstorms 70 percent.

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Watertown Temperature Statistics

September Temperature

Buffalo, Buffalo Municipal Airport (13 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    63 °F

  • Highest 14 September, 2025

    87.8 °F

Climate (2020–Present)

Buffalo, Buffalo Municipal Airport (13 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.2 °F
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