Helena Weather Forecast

    • 8
    • 31

    Increasing Clouds

    • 4
    • 16

    Chance Snow Showers

    • 11
    • 21

    Chance Snow Showers

    • 20
    • 28

    Chance Snow Showers

    • 16
    • 37

    Chance Rain Showers

    • 21
    • 42

    Rain

    • 8
    • 32

    Chance Snow Showers

Today 13 Dec Northern St. Lawrence

Snow Showers likely. Little or no snow accumulation. Highs around 30. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

Tonight 13 Dec Northern St. Lawrence

Partly cloudy until Midnight, then becoming mostly cloudy. Lows around 8 above. Southwest Winds around 10 Mph with Gusts up to 25 Mph until Midnight, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

December Temperature

Massena, Massena International-Richards Field (5.6 miles)

  • Lowest 9 December, 2025

    -14.1 °F

  • Average December

    17 °F

  • Highest 3 December, 2025

    33.1 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (5.6 miles)

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

  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    56.2 °F
Get WillyWeather+ to remove ads