Current sea water temperature:
+71.4°F
| Minimum sea water temperature in October: | 84.6°F |
| Maximum sea water temperature in October: | 69.8°F |
| Average sea water temperature in October: | 77.2°F |
| more information | |
14 days
forecast
forecast
| Jacksonville |
monthly
weather
weather
| Jacksonville |
Sea water temperature for the last 10 days:
| October 24 | 71.4°F | October 19 | 78.6°F |
| October 23 | 72.0°F | October 18 | 79.7°F |
| October 22 | 72.9°F | October 17 | 80.2°F |
| October 21 | 74.5°F | October 16 | 80.2°F |
| October 20 | 76.8°F | October 15 | 80.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Jacksonville?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jacksonville was noticed in August, September and July.
Monthly Sea Temperatures in Jacksonville, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 82.2°F. The highest and lowest sea temperatures during the month were 83.7°F and 80.4°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 82.9°F. The highest and lowest sea temperatures during the month were 84.7°F and 80.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.9°F.
current
weather
weather
| Jacksonville |
weather in
October
October
| Jacksonville |
Best time for vacation in Jacksonville
Jacksonville on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jacksonville
Local time: 00:16
October 25, sunday
0300

72°F
SW
13 mph
13 mph
0600

70°F
SW
13 mph
13 mph
0900

70°F
SW
14 mph
14 mph
1200

73°F
SW
16 mph
16 mph
1500

73°F
SW
17 mph
17 mph
1800

72°F
SW
16 mph
16 mph
2100

70°F
SW
14 mph
14 mph
October 26, monday
0000

70°F
SW
13 mph
13 mph



























