Chatham Weather Forecast
- 59
- 74
Mostly Sunny
- 67
- 76
Mostly Sunny
- 70
- 79
Mostly Sunny
- 69
- 81
Slight Chance Rain Showers
- 68
- 78
Slight Chance Rain Showers
- 68
- 77
Slight Chance Rain Showers
Today 22 Jul Barnstable
Sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.
Tonight 22 Jul Barnstable
Mostly clear. Lows in the upper 50s. South Winds around 5 Mph, becoming southwest after midnight.
Chatham Temperature Statistics
July Temperature
Chatham, Chatham Municipal Airport (1.2 miles)
Lowest 5 July, 2025
57.7 °FAverage July
71.9 °FHighest 8 July, 2025
85.6 °F
Climate (2020–Present)
Chatham, Chatham Municipal Airport (1.2 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
54.1 °FAverage High 2020–2025
60.2 °F