Louisville Weather Forecast

    • 52
    • 74

    Rain Showers

    • 42
    • 59

    Rain Showers

    • 42
    • 56

    Mostly Cloudy

    • 44
    • 55

    Mostly Cloudy

    • 46
    • 61

    Chance Rain Showers

    • 45
    • 57

    Rain Showers Likely

Today 17 May Northern St. Lawrence

Showers likely with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs in the mid 70s. South Winds around 10 Mph. Chance of rain near 100 percent.

Tonight 17 May Northern St. Lawrence

Partly cloudy. Lows in the upper 50s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Louisville Temperature Statistics

May Temperature

Massena, Massena International-Richards Field (8.7 miles)

  • Lowest 1 May, 2025

    28.9 °F

  • Average May

    56.5 °F

  • Highest 13 May, 2025

    80.7 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (8.7 miles)

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

  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.3 °F
Get WillyWeather+ to remove ads