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.
Chatham Harbor Temperature Statistics
June Temperature
Chatham, Chatham Municipal Airport (1.9 miles)
Lowest 2 June, 2026
42.1 °FAverage June
65.5 °FHighest 13 June, 2026
84 °F
Climate (2021–2026)
Chatham, Chatham Municipal Airport (1.9 miles)
Average Low 2021–2026
47.4 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
59.8 °F