New London Weather Forecast

    • 50
    • 71

    Decreasing Clouds

    • 58
    • 81

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 45
    • 68

    Partly Sunny

    • 45
    • 64

    Chance Rain Showers

    • 45
    • 63

    Chance Rain Showers

Today 25 May Merrimack

Showers in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs around 70. Light and variable Winds. Chance of rain near 100 percent.

Tonight 25 May Merrimack

Showers likely with a slight chance of Thunderstorms. Patchy fog. Near steady temperature in the upper 40s. Light and variable Winds. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

New London Temperature Statistics

May Temperature

Lebanon Municipal Airport (21.1 miles)

  • Lowest 9 May, 2026

    30.9 °F

  • Average May

    55.9 °F

  • Highest 19 May, 2026

    90 °F

Climate (2021–Present)

Lebanon Municipal Airport (21.1 miles)

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

  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads