Chatham Harbor Entrance Weather Forecast

    • 47
    • 54

    Chance Rain Showers

    • 49
    • 51

    Mostly Cloudy

    • 45
    • 52

    Chance Rain Showers

    • 45
    • 46

    Mostly Cloudy

    • 42
    • 52

    Chance Rain Showers

    • 37
    • 46

    Mostly Cloudy

Today 15 Apr Barnstable

Partly sunny. Patchy fog in the morning. A slight chance of Showers in the afternoon. Highs in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 15 Apr Barnstable

Mostly cloudy with a chance of Showers. Patchy fog. Lows in the mid 40s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Harbor Entrance Temperature Statistics

April Temperature

Chatham, Chatham Municipal Airport (3.1 miles)

  • Lowest 9 April, 2026

    27 °F

  • Average April

    43 °F

  • Highest 11 April, 2026

    55.9 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (3.1 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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