Helena West Side Weather Forecast

    • 60
    • 94

    Increasing Clouds

    • 62
    • 93

    Partly Sunny

    • 59
    • 91

    Chance Thunderstorms

    • 55
    • 85

    Slight Chance Thunderstorms

    • 57
    • 86

    Partly Sunny

    • 58
    • 87

    Slight Chance Thunderstorms

Today 20 Aug Helena Valley

Sunny. Highs in the lower 90s. Southeast Winds up to 5 Mph shifting to the north in the afternoon.

Tonight 20 Aug Helena Valley

Partly cloudy. Patchy smoke early in the afternoon. Highs in the lower 90s. Lows 50 to 57. West Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena West Side Temperature Statistics

August Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    69.8 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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

  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads