Dorchester Weather Forecast

    • 38
    • 71

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 48
    • 77

    Rain Showers

    • 42
    • 69

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

Today 29 Jan Dorchester

Mostly sunny. Highs in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Jan Dorchester

Mostly clear. Lows in the upper 30s. West Winds 5 to 10 Mph, becoming northwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

January Temperature

Summerville Airport (8.1 miles)

  • Lowest 23 January, 2025

    19.4 °F

  • Average January

    40.5 °F

  • Highest 19 January, 2025

    66.2 °F

Climate (2020–Present)

Summerville Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    76.6 °F
Get WillyWeather+ to remove ads