Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 29°C. Select a day from the live weather forecast for Portsmouth, Dominica for more weather parameters.

Tuesday
12th May
29

25

7

11
Wednesday
13th May
29

25

7

11
Thursday
14th May
29

25

8

11
Friday
15th May
29

25

6

11
Saturday
16th May
29

25

6

11

5-day weather forecast updated at 04:03 on Tuesday 12th 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 Tuesday 12th May 2026

Expect isolated thunderstorms 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 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 18 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
30
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

Portsmouth weather for Wednesday 13th May 2026

Expect isolated thunderstorms 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 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 21 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
31
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from E

Portsmouth weather for Thursday 14th 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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from E

Portsmouth weather for Friday 15th 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 moderate breeze of 23 kph from the east.