Helena Weather Forecast

    • 48
    • 80

    Increasing Clouds

    • 50
    • 79

    Mostly Sunny

    • 50
    • 75

    Chance Rain

    • 43
    • 65

    Rain Showers Likely

    • 47
    • 72

    Partly Sunny

    • 45
    • 73

    Chance Rain Showers

    • 43
    • 70

    Slight Chance Thunderstorms

Today 11 May Helena Valley

Partly cloudy early in the morning then becoming sunny. Highs 75 to 80. East Winds 5 to 10 Mph shifting to the northwest 5 to 15 Mph in the afternoon.

Tonight 11 May Helena Valley

Partly cloudy. Lows 45 to 50. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

May Temperature

Helena Regional Airport (1.9 miles)

  • Lowest 4 May, 2024

    29.8 °F

  • Average May

    46.6 °F

  • Highest 4 May, 2024

    66.7 °F

Climate (2019–Present)

Helena Regional Airport (1.9 miles)

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  • Average Low 2019–2024

    35.9 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    58.4 °F
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