Formentera weather live forecast

Thursday
17th Sep
27

22

4

5
Friday
18th Sep
27

20

4

5
Saturday
19th Sep
29

21

9

6
Sunday
20th Sep
29

21

8

6
Monday
21st Sep
29

21

11

6

5-day weather forecast updated at 04:02 on Thursday 17th September 2026 GMT

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The 5-day weather forecast for Formentera is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Formentera weather forecast by day

Below are the detailed weather forecasts for Formentera for the next 5 days.

Formentera weather for Thursday 17th September 2026

Expect isolated thunderstorms in Formentera, Formentera with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 19 kph from the east.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
65
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

Formentera weather for Friday 18th September 2026

Expect isolated thunderstorms in Formentera, Formentera with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 13 kph from the north-east.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
70
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Formentera weather for Saturday 19th September 2026

Expect isolated thunderstorms in Formentera, Formentera with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 17 kph from the east.

29
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
6
UV index (High)
24
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
17
kph wind from E

Formentera weather for Sunday 20th September 2026

Expect scattered clouds in Formentera, Formentera with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

29
°C maximum temperature
21
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from NE

Formentera weather for Monday 21st September 2026

Expect scattered clouds in Formentera, Formentera with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.