St. Helen Airport Weather Forecast

    • 46
    • 75

    Rain Showers

    • 44
    • 70

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 53
    • 80

    Partly Sunny

    • 58
    • 81

    Slight Chance Rain Showers

    • 55
    • 80

    Chance Rain Showers

Today 21 Jul Roscommon

Partly sunny with a 50 percent chance of light Showers and Thunderstorms. Highs in the mid 70s. Northwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 21 Jul Roscommon

Mostly cloudy early then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Helen Airport Temperature Statistics

July Temperature

Houghton Lake, Roscommon County Airport (13 miles)

  • Lowest 19 July, 2026

    51.1 °F

  • Average July

    72.6 °F

  • Highest 14 July, 2026

    96.7 °F

Climate (2021–2026)

Houghton Lake, Roscommon County Airport (13 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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