Helena Regional Airport Weather Forecast

    • 61
    • 86

    Patchy Smoke

    • 63
    • 87

    Partly Sunny

    • 63
    • 90

    Chance Thunderstorms

    • 63
    • 91

    Slight Chance Thunderstorms

    • 63
    • 96

    Chance Thunderstorms

    • 61
    • 95

    Mostly Sunny

Today 20 Jul Helena Valley

Mostly sunny. Patchy smoke in the afternoon. Highs in the mid 80s. North Winds up to 10 Mph.

Tonight 20 Jul Helena Valley

Mostly cloudy in the evening then becoming partly cloudy. Patchy smoke through the night. Lows in the upper 50s. Northwest Winds up to 15 Mph.

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Helena Regional Airport Temperature Statistics

July Temperature

Helena Regional Airport (0 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    71.6 °F

  • Highest 11 July, 2026

    101.6 °F

Climate (2021–2026)

Helena Regional Airport (0 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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