Fos-sur-Mer

Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France

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Current Weather

21°

Mostly Clear

Feels Like: 24°

Min: 21°

Max: 29°

The next few hours will be partly cloudy, with today reaching 29°C and dropping to 18°C. The coming days will be drizzle

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Hourly Forecast

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Today

Daylight Hours

07:27

Sunrise

19:41

Sunset

12 hours 13 minutes of sunlight today

Moon

Waxing Crescent

13:16

Moonrise

22:01

Moonset

Daily Forecast

Wednesday

21°
29°

Thursday

18°
27°

Friday

19°
27°

Saturday

17°
25°

Sunday

17°
29°

Monday

19°
28°

Tuesday

19°
29°

Wednesday

19°
27°

Thursday

19°
27°

Friday

19°
28°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

93% Very Humid
Low High

Weather in Fos-sur-Mer today, September 16, 2026

Fos-sur-Mer is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning sky stays heavily clouded, with cover near 68% around 05:00. Grey conditions set the early tone before any later change.

Temperatures climb from an overnight low near 21°C toward a daytime high of about 29°C. Relative humidity sits between 43% and 94%, reaching its peak around 03:00. Winds stay light, near 8.0 km/h by 20:00, so the day feels still more than breezy.

Expect persistent cloud later on, with amounts around 100% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 28.8 km on average, though it can drop toward 12.7 km in thicker cloud or showers. Daylight runs from 07:27 to 19:41, lasting 12 hours 13 minutes of sunlight today.

Taken together, settled sunshine in Fos-sur-Mer on September 16, 2026 makes outdoor timing easier, with highs near 29°C.

Frequently asked questions about weather in Fos-sur-Mer

How warm does it get in Fos-sur-Mer?

The warmest month in Fos-sur-Mer is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.

How cold does it get in Fos-sur-Mer?

The coldest month in Fos-sur-Mer is January, with average low temperatures of 4°C. The average temperature during this period is around 8°C.

What is the wettest time of year in Fos-sur-Mer?

The wettest month in Fos-sur-Mer is October, with an average of 82mm of precipitation.

What is the driest time of year in Fos-sur-Mer?

The driest month in Fos-sur-Mer is July, with an average of 12mm of precipitation.

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Metric (°C, km/h)