Santo Antonio weather live forecast

Today's maximum temperature in Santo Antonio is expected to be 29°C. Select a day from the live weather forecast for Santo Antonio, Sao Tome & Principe for more weather parameters.

Saturday
12th Sep
29

26

4

10
Sunday
13th Sep
27

26

3

9
Monday
14th Sep
29

25

3

9
Tuesday
15th Sep
29

25

2

9
Wednesday
16th Sep
28

25

2

9

5-day weather forecast updated at 04:03 on Thursday 10th September 2026 GMT

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The 5-day weather forecast for Sao Tome & Principe (Santo Antonio) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Santo Antonio weather forecast by day

Below are the detailed weather forecasts for Santo Antonio for the next 5 days.

Santo Antonio weather for Saturday 12th September 2026

Expect broken clouds in Santo Antonio, Sao Tome & Principe with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
4
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Santo Antonio weather for Sunday 13th September 2026

Expect isolated thunderstorms in Santo Antonio, Sao Tome & Principe with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 13 kph from the south-west.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
46
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
13
kph wind from SW

Santo Antonio weather for Monday 14th September 2026

Expect isolated thunderstorms in Santo Antonio, Sao Tome & Principe with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 14 kph from the south.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

Santo Antonio weather for Tuesday 15th September 2026

Expect isolated thunderstorms in Santo Antonio, Sao Tome & Principe with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 16 kph from the south.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
23
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from S

Santo Antonio weather for Wednesday 16th September 2026

Expect broken clouds in Santo Antonio, Sao Tome & Principe with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.