San Juan weather live forecast

Today's maximum temperature in San Juan is expected to be 31°C. Select a day from the live weather forecast for San Juan, Ibiza, Spain for more weather parameters.

Wednesday
16th Sep
31

19

8

6
Thursday
17th Sep
25

18

1

6
Friday
18th Sep
26

18

5

4
Saturday
19th Sep
28

18

8

6
Sunday
20th Sep
29

18

10

6

5-day weather forecast updated at 04:02 on Tuesday 15th September 2026 GMT

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

San Juan weather forecast by day

Below are the detailed weather forecasts for San Juan for the next 5 days.

San Juan weather for Wednesday 16th September 2026

Expect scattered clouds in San Juan, Ibiza with a maximum temperature of 31°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 8 kph from the south-west.

31
°C maximum temperature
19
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SW

San Juan weather for Thursday 17th September 2026

Expect isolated thunderstorms in San Juan, Ibiza with a maximum temperature of 25°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 18 kph from the east.

25
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
83
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
18
kph wind from E

San Juan weather for Friday 18th September 2026

Expect isolated thunderstorms in San Juan, Ibiza with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and a light breeze of 11 kph from the east.

26
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
55
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
11
kph wind from E

San Juan weather for Saturday 19th September 2026

Expect isolated thunderstorms in San Juan, Ibiza with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 29% chance of some rain and little or no wind of 5 kph from the south-east.

28
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
29
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
5
kph wind from SE

San Juan weather for Sunday 20th September 2026

Expect clear skies in San Juan, Ibiza with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.