Thornhill Weather Forecast

    • 53
    • 74

    Increasing Clouds

    • 34
    • 75

    Mostly Cloudy

    • 22
    • 43

    Slight Chance Rain Showers

    • 28
    • 46

    Partly Sunny

    • 40
    • 58

    Partly Sunny

    • 46
    • 69

    Mostly Sunny

Today 14 Mar Marion

Sunny. Not as cool with Highs in the mid 70s. South Winds around 5 Mph.

Tonight 14 Mar Marion

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the mid 50s. South Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thornhill Temperature Statistics

March Temperature

Haleyville, Posey Field Airport (8.7 miles)

  • Lowest 1 March, 2026

    39 °F

  • Average March

    64.6 °F

  • Highest 7 March, 2026

    80.1 °F

Climate (2021–Present)

Haleyville, Posey Field Airport (8.7 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    71.9 °F
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