South Orleans Weather Forecast

    • 49
    • 70

    Chance Rain Showers

    • 47
    • 58

    Chance Rain Showers

    • 50
    • 63

    Mostly Sunny

    • 51
    • 66

    Chance Rain Showers

    • 50
    • 66

    Rain Showers Likely

    • 51
    • 66

    Chance Rain Showers

Today 10 May Barnstable

Mostly cloudy. Areas of fog in the morning. Highs in the upper 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 10 May Barnstable

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 40s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Orleans Temperature Statistics

May Temperature

Chatham, Chatham Municipal Airport (4.3 miles)

  • Lowest 4 May, 2026

    43 °F

  • Average May

    52.4 °F

  • Highest 6 May, 2026

    63 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    59.8 °F
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