Thames River - Harvard Boathouse Weather Forecast

    • 44
    • 60

    Chance Rain Showers

    • 39
    • 66

    Chance Rain Showers

    • 43
    • 51

    Chance Rain Showers

    • 43
    • 61

    Rain Showers Likely

    • 28
    • 54

    Partly Sunny

    • 36
    • 47

    Chance Rain Showers

    • 48
    • 59

    Chance Rain Showers

Today 28 Mar Northern New London

Partly sunny. Highs in the upper 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 28 Mar Northern New London

A chance of Showers this Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 40s. South Winds around 5 Mph. Chance of rain 80 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Thames River - Harvard Boathouse Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (6.2 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    40.9 °F

  • Highest 18 March, 2025

    58.6 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (6.2 miles)

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

  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
Get WillyWeather+ to remove ads