St Martin weather live forecast

Friday
21st Aug
32

28

7

11
Saturday
22nd Aug
32

28

7

10
Sunday
23rd Aug
32

28

7

11
Monday
24th Aug
32

28

7

11
Tuesday
25th Aug
32

28

7

11

5-day weather forecast updated at 04:01 on Friday 21st August 2026 GMT

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

St Martin weather forecast by day

Below are the detailed weather forecasts for St Martin for the next 5 days.

St Martin weather for Friday 21st August 2026

Expect broken clouds in St Martin, St Martin with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from E

St Martin weather for Saturday 22nd August 2026

Expect broken clouds in St Martin, St Martin with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

St Martin weather for Sunday 23rd August 2026

32
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

St Martin weather for Monday 24th August 2026

Expect isolated thunderstorms in St Martin, St Martin with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 18 kph from the east.

32
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
64
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

St Martin weather for Tuesday 25th August 2026

Expect isolated thunderstorms in St Martin, St Martin with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 19 kph from the east.