Jefferson Weather Forecast

    • 43
    • 63

    Becoming Sunny

    • 53
    • 74

    Rain Likely

    • 32
    • 71

    Rain Likely

    • 29
    • 46

    Chance Snow

    • 33
    • 42

    Chance Rain/Snow

    • 39
    • 51

    Rain Likely

Today 29 Mar Jefferson

Not as cool. Partly sunny. Highs in the mid 60s. Southwest Winds 10 to 15 Mph.

Tonight 29 Mar Jefferson

Mostly clear. Lows in the mid 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

March Temperature

Watertown (11.8 miles)

  • Lowest 1 March, 2026

    7.2 °F

  • Average March

    38.6 °F

  • Highest 21 March, 2026

    72.7 °F

Climate (2021–Present)

Watertown (11.8 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.7 °F
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