Current Sea Water Temperature:
+46.0°F
| Maximum Sea Water Temperature in April: | 49.8°F |
| Minimum Sea Water Temperature in April: | 40.6°F |
| Average water temperature in April: | 44.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 27 | 46.0°F | April 22 | 46.2°F |
| April 26 | 46.4°F | April 21 | 47.2°F |
| April 25 | 47.6°F | April 20 | 45.8°F |
| April 24 | 46.0°F | April 19 | 46.4°F |
| April 23 | 45.8°F | April 18 | 46.4°F |
When is the Warmest Sea for Charlestown?
According to our data for the last three years for Charlestown the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2023 for Charlestown was 71.9°F. The maximum and minimum values were 70.0°F and 73.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2023 for Charlestown was 73.6°F. The maximum and minimum values were 69.0°F and 76.6°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2023 for Charlestown was 70.7°F. The maximum and minimum values were 65.2°F and 75.8°F respectively.
USA Resorts:
NAME
F°
| Boston |  |
+54 |
| Chicago |  |
+66 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+80 |
| Las Vegas |  |
+78 |
| Los Angeles | |
+70 |
| Miami | |
+80 |
| New York | |
+52 |
| Orlando | |
+74 |
| San Diego | |
+66 |
| San Francisco |  |
+56 |
| Sarasota | |
+78 |
| Tampa | |
+78 |
| Washington | |
+52 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Charlestown
Local time: 20:59
27 apr, saturday
| 2100 |  |
48°F | NE 14 mph |
28 apr, sunday
| 0000 |  |
46°F | E 14 mph |
| 0300 | |
44°F | NE 14 mph |
| 0600 | |
46°F | NE 15 mph |
| 0900 |  |
46°F | NE 15 mph |
| 1200 | |
48°F | NE 12 mph |
| 1500 | |
50°F | NE 10 mph |
| 1800 |  |
50°F | NE 8 mph |