Black River Bay Weather Forecast

Today 25 Mar Jefferson

Mostly cloudy Early, then becoming partly sunny. Highs in the mid 40s. Light Winds.

Tonight 25 Mar Jefferson

Mostly cloudy with a 50 percent chance of rain Showers. Lows in the mid 30s. Light Winds, becoming south 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black River Bay Temperature Statistics

March Temperature

Watertown, Watertown International Airport (4.3 miles)

  • Lowest 2 March, 2026

    -2.3 °F

  • Average March

    33.7 °F

  • Highest 9 March, 2026

    67.6 °F

Climate (2021–Present)

Watertown, Watertown International Airport (4.3 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.6 °F
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