Saint-Jean-de-Monts Sea Temperature Today and 14-Day Weather Forecast

The sea temperature in Saint-Jean-de-Monts today is +25°C. Over the next 14 days, the water temperature is expected to stay between +22°C and +25°C. The water is warm enough for swimming and beach time. For a longer view, open the 30-day water temperature forecast.

Day and night air temperature

Day +27°C Night +15°C

Sea water temperature by day

Water +25°C
Tap a date to open detailed daily weather
Date Day Night Sea t° Wind Precipitation Humidity
20 Mon
Clear/Sunny +27°C
Clear/Sunny +15°C
+25°C 7 m/s 0 mm10% 46%
21 Tue
Clear/Sunny +28°C
Clear/Sunny +16°C
+25°C 7 m/s 0 mm10% 46%
22 Wed
Clear/Sunny +29°C
Clear/Sunny +17°C
+24°C 5 m/s 0 mm10% 49%
23 Thu
Clear/Sunny +29°C
Clear/Sunny +18°C
+24°C 5 m/s 0 mm10% 52%
24 Fri
Partly Cloudy +29°C
Clear/Sunny +18°C
+24°C 5 m/s 0 mm10% 52%
25 Sat
Partly Cloudy +26°C
Partly Cloudy +18°C
+24°C 9 m/s 0.3 mm65% 66%
26 Sun
Partly Cloudy +22°C
Partly Cloudy +18°C
+24°C 9 m/s 0.2 mm65% 80%
27 Mon
Partly Cloudy +23°C
Clear/Sunny +16°C
+24°C 6 m/s 0.3 mm65% 75%
28 Tue
Partly Cloudy +25°C
Clear/Sunny +16°C
+24°C 5 m/s 0 mm10% 68%
29 Wed
Clear/Sunny +20°C
Clear/Sunny +14°C
+23°C 7 m/s 0 mm15% 79%
30 Thu
Clear/Sunny +22°C
Cloudy +16°C
+23°C 7 m/s 0 mm15% 82%
31 Fri
Clear/Sunny +21°C
Clear/Sunny +15°C
+23°C 6 m/s 0 mm15% 81%
1 Sat
Clear/Sunny +21°C
Partly Cloudy +16°C
+22°C 8 m/s 0 mm15% 79%
2 Sun
Partly Cloudy +21°C
Partly Cloudy +12°C
+22°C 8 m/s 0 mm15% 66%