Chesapeake Bay - James Island Weather Forecast

    • 43
    • 52

    Chance Rain

    • 43
    • 48

    Slight Chance Rain

    • 54
    • 60

    Rain Showers Likely

    • 47
    • 60

    Chance Rain Showers

    • 51
    • 58

    Slight Chance Rain Showers

    • 57
    • 65

    Slight Chance Rain Showers

Today 5 Mar Dorchester

Areas of fog this morning. Cloudy with a slight chance of rain this Morning, then partly sunny this afternoon. Highs in the mid 60s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 5 Mar Dorchester

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 40s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - James Island Temperature Statistics

March Temperature

Cambridge-Dorchester Airport (16.2 miles)

  • Lowest 2 March, 2026

    30.2 °F

  • Average March

    38.3 °F

  • Highest 1 March, 2026

    53.6 °F

Climate (2021–Present)

Cambridge-Dorchester Airport (16.2 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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