Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 28°C. Select a day from the live weather forecast for Portsmouth, Dominica for more weather parameters.

Sunday
3rd May
28

24

8

9
Monday
4th May
28

23

8

11
Tuesday
5th May
29

24

6

11
Wednesday
6th May
29

24

7

11
Thursday
7th May
28

23

6

11

5-day weather forecast updated at 04:03 on Sunday 3rd May 2026 GMT

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

Portsmouth weather forecast by day

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

Portsmouth weather for Sunday 3rd May 2026

Expect scattered clouds in Portsmouth, Dominica with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from E

Portsmouth weather for Monday 4th May 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.

28
°C maximum temperature
23
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from E

Portsmouth weather for Tuesday 5th May 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from E

Portsmouth weather for Wednesday 6th May 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 29°C, moderate 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.

29
°C maximum temperature
24
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

Portsmouth weather for Thursday 7th May 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.