Chaptico Weather Forecast

    • 59
    • 74

    Decreasing Clouds

    • 63
    • 81

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

    • 64
    • 86

    Mostly Cloudy

    • 61
    • 75

    Chance Rain Showers

    • 57
    • 70

    Chance Rain Showers

Today 29 Sep St. Marys

Mostly cloudy. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep St. Marys

Partly cloudy in the Evening, then clearing. Patchy fog after midnight. Lows around 60. Light and variable Winds, becoming west around 5 Mph after midnight.

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Chaptico Temperature Statistics

September Temperature

St Marys County Airport (13 miles)

  • Lowest 15 September, 2026

    53.2 °F

  • Average September

    72.1 °F

  • Highest 1 September, 2026

    93.9 °F

Climate (2021–2026)

St Marys County Airport (13 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    67 °F
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