Helena Weather Forecast

    • 58
    • 66

    Rain Showers

    • 58
    • 67

    Rain Showers

    • 62
    • 77

    Rain Showers

    • 44
    • 69

    Chance Rain Showers

    • 48
    • 64

    Mostly Sunny

    • 57
    • 71

    Chance Rain Showers

Today 4 Mar Lawrence

Patchy fog in the morning. A chance of Thunderstorms. Showers. Highs in the mid 60s. Southeast Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of rain near 100 percent.

Tonight 4 Mar Lawrence

Showers likely with a chance of Thunderstorms. Patchy fog. Not as cool. Near steady temperature in the lower 50s. Temperature rising into the lower 50s through Sunrise. East Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

March Temperature

Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)

  • Lowest 1 March, 2026

    31.8 °F

  • Average March

    39.9 °F

  • Highest 1 March, 2026

    47.7 °F

Climate (2021–Present)

Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.1 °F
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