Horn Island Weather Forecast

    • 35
    • 46

    Chance Snow

    • 32
    • 43

    Rain

    • 28
    • 37

    Chance Snow

    • 33
    • 40

    Mostly Cloudy

    • 30
    • 45

    Slight Chance Rain

    • 34
    • 43

    Rain/Snow Likely

Today 21 Mar Coastal York

Mostly cloudy this Morning, then clearing. Highs in the upper 40s. Northwest Winds around 10 Mph.

Tonight 21 Mar Coastal York

Partly cloudy in the Evening, then cloudy with a chance of snow after midnight. Lows around 30. Light and variable Winds. Chance of snow 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horn Island Temperature Statistics

March Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

  • Lowest 2 March, 2026

    7.9 °F

  • Average March

    36.8 °F

  • Highest 10 March, 2026

    72.7 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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