Current sea water temperature:
+64.0°F
| Minimum sea water temperature in March: | 71.4°F |
| Maximum sea water temperature in March: | 58.5°F |
| Average sea water temperature in March: | 64.2°F |
| more information | |
14 days
forecast
forecast
| St. Augustine |
monthly
weather
weather
| St. Augustine |
Sea water temperature for the last 10 days:
| March 16 | 64.0°F | March 11 | 65.1°F |
| March 15 | 63.0°F | March 10 | 64.6°F |
| March 14 | 62.1°F | March 9 | 64.9°F |
| March 13 | 64.0°F | March 8 | 64.6°F |
| March 12 | 66.0°F | March 7 | 62.4°F |
Monthly sea water temperature, °F
When is the warmest sea in St. Augustine?
Based on the data about daily sea water temperature for the last three years the warmest sea in St. Augustine was noticed in August, September and July.
Monthly Sea Temperatures in St. Augustine, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 84.6°F and 78.6°F.
current
weather
weather
| St. Augustine |
weather in
March
March
| St. Augustine |
Best time for vacation in St. Augustine
St. Augustine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Augustine
Local time: 00:20
March 17, tuesday
0300
43°F
SE
12 mph
12 mph
0600
39°F
SE
12 mph
12 mph
0900
41°F
SE
13 mph
13 mph
1200
50°F
S
11 mph
11 mph
1500
54°F
S
7 mph
7 mph
1800
54°F
SW
5 mph
5 mph
2100
54°F
SW
6 mph
6 mph
March 18, wednesday
0000
52°F
S
11 mph
11 mph
