San Leon Weather Forecast

    • 64
    • 74

    Dense Fog

    • 64
    • 69

    Dense Fog

    • 63
    • 69

    Areas Fog

    • 64
    • 69

    Areas Fog

    • 65
    • 70

    Partly Sunny

    • 65
    • 71

    Mostly Cloudy

    • 60
    • 71

    Partly Sunny

Today 21 Dec Coastal Galveston

Mostly sunny. Patchy fog. Near steady temperature in the lower 70s. South Winds around 5 Mph.

Tonight 21 Dec Coastal Galveston

Mostly cloudy. Areas of dense fog. Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

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San Leon Temperature Statistics

December Temperature

Galveston, Scholes Field (14.9 miles)

  • Lowest 15 December, 2025

    35.1 °F

  • Average December

    57.3 °F

  • Highest 12 December, 2025

    75 °F

Climate (2020–Present)

Galveston, Scholes Field (14.9 miles)

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  • Average Low 2020–2025

    68.3 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    79.2 °F
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