Grantham Weather Forecast

    • 45
    • 70

    Rain Showers

    • 53
    • 72

    Rain Showers Likely

    • 51
    • 72

    Rain Showers Likely

    • 47
    • 61

    Rain Showers

    • 44
    • 55

    Partly Sunny

    • 51
    • 59

    Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

Today 1 May Sullivan

Mostly sunny. Highs in the upper 60s. Light and variable Winds.

Tonight 1 May Sullivan

Cloudy. A slight chance of Showers late this Evening, then a chance of Showers with isolated Thunderstorms. Lows in the mid 40s. Light and variable Winds, becoming southeast around 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantham Temperature Statistics

May Temperature

Lebanon Municipal Airport (12.4 miles)

  • Lowest

    –

  • Average May

    –

  • Highest

    –

Climate (2020–Present)

Lebanon Municipal Airport (12.4 miles)

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

  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.8 °F
Get WillyWeather+ to remove ads