Helena Weather Forecast

    • 62
    • 91

    Chance Thunderstorms

    • 52
    • 85

    Sunny

    • 54
    • 86

    Sunny

    • 60
    • 90

    Partly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

Today 23 Jul Central and Southern Lewis and Clark

Partly cloudy. Slight chance of Thunderstorms early in the Morning, then chance of Thunderstorms in the afternoon. Highs 80 to 90. Southwest Winds up to 10 Mph. Chance of Thunderstorms 50 percent.

Tonight 23 Jul Central and Southern Lewis and Clark

Mostly cloudy with chance of Thunderstorms in the Evening, then partly cloudy with slight chance of Thunderstorms after midnight. Lows 55 to 60. South Winds 5 to 10 Mph. Chance of Thunderstorms 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

July Temperature

Helena Regional Airport (1.9 miles)

  • Lowest 20 July, 2019

    46 °F

  • Average July

    67.1 °F

  • Highest 12 July, 2019

    91.9 °F

Climate (2010–Present)

Helena Regional Airport (1.9 miles)

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  • Average Low 2010–Present

    34.5 °F

  • Average 2010–Present

    45.4 °F

  • Average High 2010–Present

    56.4 °F
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