St Helens Weather Forecast

    • 23
    • 46

    Rain Showers Likely

    • 22
    • 36

    Partly Sunny

    • 37
    • 51

    Mostly Cloudy

    • 43
    • 65

    Slight Chance Rain Showers

    • 49
    • 70

    Mostly Cloudy

    • 50
    • 75

    Partly Sunny

Today 16 Mar Lee

Cloudy. Rain Showers in the Morning, then a chance of snow Showers in the afternoon. Little or no snow accumulation. Much cooler with Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of precipitation 80 percent.

Tonight 16 Mar Lee

Mostly cloudy. A chance of snow Showers in the evening. Little or no snow accumulation. Much Colder with Lows in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Helens Temperature Statistics

March Temperature

Jackson, Carroll Airport (18 miles)

  • Lowest 12 March, 2026

    34 °F

  • Average March

    58.5 °F

  • Highest 7 March, 2026

    82.9 °F

Climate (2021–Present)

Jackson, Carroll Airport (18 miles)

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  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    67.8 °F
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