Chatham Weather: August
![]() |
Average Day Temperature: | 76.9°F |
![]() |
Average Night Temperature: | 70.9°F |
![]() |
Sea Water Temperature: | 70.9°F |
![]() |
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 13.2 - 14.4 hours | |
![]() |
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Chatham |
Temperature
| Chatham |
Air Temperature in August, °F
The highest day temperature in August 2026 was 91°F. The lowest night temperature was 65°F. The average values for day and night temperatures during August were 81.3°F и 70.2°F respectivly.
Chatham Water Sea Temperature in August, °F
The average sea surface temperature in August 2026 for Chatham was 71.6°F. The maximum and minimum values were 67.4°F and 75.8°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Chatham is 0.9 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 10.5 mph. It makes August the most windless month of the year for Chatham.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chatham in August is 8.4 hours.
| Boston | ![]() |
+64 |
| Chicago | ![]() |
+66 |
| Hawaii | ![]() |
+80 |
| Las Vegas | ![]() |
+80 |
| Los Angeles | ![]() |
+74 |
| Maui | ![]() |
+66 |
| Miami | ![]() |
+92 |
| Myrtle Beach | ![]() |
+88 |
| New York | ![]() |
+72 |
| Panama City Beach | ![]() |
+90 |
| San Diego | ![]() |
+72 |
| San Francisco | ![]() |
+60 |
| Santa Monica | ![]() |
+72 |
| Sarasota | ![]() |
+94 |
| Washington | ![]() |
+76 |
| 1200 | ![]() |
64°F | SW 12 mph |
| 1500 | ![]() |
64°F | SW 10 mph |
| 1800 | ![]() |
62°F | SW 6 mph |
| 2100 | ![]() |
60°F | W 4 mph |
| 0000 | ![]() |
58°F | NW 5 mph |
| 0300 | ![]() |
58°F | N 4 mph |
| 0600 | ![]() |
60°F | NE 4 mph |
| 0900 | ![]() |
64°F | NE 4 mph |



































