Chatham Harbor Weather Forecast

    • 65
    • 70

    Slight Chance Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 65
    • 77

    Partly Sunny

    • 67
    • 76

    Partly Sunny

    • 68
    • 78

    Slight Chance Rain Showers

    • 69
    • 78

    Slight Chance Rain Showers

Today 26 Jun Barnstable

Partly sunny. Humid with Highs in the lower 70s. South Winds 10 to 15 Mph.

Tonight 26 Jun Barnstable

Mostly cloudy. Patchy fog. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chatham Harbor Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (1.9 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    65.5 °F

  • Highest 13 June, 2026

    84 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    59.8 °F
Get WillyWeather+ to remove ads