Sao Joao weather live forecast

Today's maximum temperature in Sao Joao is expected to be 75°F. Select a day from the live weather forecast for Sao Joao, Algarve, Portugal for more weather parameters.

Tuesday
19th May
75

54

12

UV9
Wednesday
20th May
79

63

14

UV9
Thursday
21st May
84

64

13

UV7
Friday
22nd May
84

68

7

UV8
Saturday
23rd May
84

64

12

UV8

5-day weather forecast updated at 04:02 on Tuesday 19th May 2026 GMT

More about the Sao Joao

Sao Joao by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Algarve

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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

Sao Joao weather forecast by day

Below are the detailed weather forecasts for Sao Joao for the next 5 days.

Sao Joao weather for Tuesday 19th May 2026

Expect scattered clouds in Sao Joao, Algarve with a maximum temperature of 75°F, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north.

75
°F maximum temperature
54
°F minimum temperature
scattered clouds
12
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
mph wind from N

Sao Joao weather for Wednesday 20th May 2026

Expect clear skies in Sao Joao, Algarve with a maximum temperature of 79°F, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north.

79
°F maximum temperature
63
°F minimum temperature
clear skies
14
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
mph wind from N

Sao Joao weather for Thursday 21st May 2026

Expect clear skies in Sao Joao, Algarve with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-east.

84
°F maximum temperature
64
°F minimum temperature
clear skies
13
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
mph wind from SE

Sao Joao weather for Friday 22nd May 2026

Expect broken clouds in Sao Joao, Algarve with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-east.

84
°F maximum temperature
68
°F minimum temperature
broken clouds
7
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
mph wind from SE

Sao Joao weather for Saturday 23rd May 2026

Expect clear skies in Sao Joao, Algarve with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the north.