Weather forecast in Saint-Nazaire

This data display current weather and forecast for the coming days in Saint-Nazaire. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Saint-Nazaire current temperature and weather

19 December 2025

Night
11.1°C Feels like: 9.9°C	Patchy rain nearby
	Wind: 10.4 Km/h (6.5 mph) W Pressure: 1015 hPa (29.97 inHg) Humidity: 87%	Precip. prob.: 87% Visibility: 10 km (6 mi) UV index: 0
Morning
8.4°C Feels like: 6.3°C	Overcast
	Wind: 12.6 Km/h (7.8 mph) N Pressure: 1019 hPa (30.08 inHg) Humidity: 81%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0
Day
11°C Feels like: 10.5°C	Sunny
	Wind: 6.5 Km/h (4 mph) NW Pressure: 1020 hPa (30.13 inHg) Humidity: 62%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.5
Evening
7.7°C Feels like: 7.7°C	Clear
	Wind: 2.5 Km/h (1.6 mph) S Pressure: 1020 hPa (30.13 inHg) Humidity: 74%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0

Marine weather forecast Saint-Nazaire

The graphs show wave heights and directions, as well as wind speed and direction in Saint-Nazaire for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in Saint-Nazaire throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Saint-Nazaire is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.