Watertown Weather Forecast

    • 64
    • 78

    Rain Showers Likely

    • 60
    • 73

    Rain Showers Likely

    • 60
    • 74

    Chance Thunderstorms

    • 61
    • 78

    Chance Thunderstorms

    • 55
    • 78

    Slight Chance Thunderstorms

    • 54
    • 72

    Mostly Sunny

Today 18 Sep Carver

Partly sunny. Slight chance of Thunderstorms in the Morning, then chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of Thunderstorms 30 percent.

Tonight 18 Sep Carver

Showers likely and chance of Thunderstorms in the Evening, then chance of Thunderstorms after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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