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.

Monday
1st Jun
29

26

7

9
Tuesday
2nd Jun
29

25

7

11
Wednesday
3rd Jun
29

25

8

11
Thursday
4th Jun
29

25

7

9
Friday
5th Jun
29

25

6

10

5-day weather forecast updated at 04:03 on Monday 1st June 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 Monday 1st June 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from E

Portsmouth weather for Tuesday 2nd June 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 moderate breeze of 25 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from E

Portsmouth weather for Wednesday 3rd June 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 22 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
22
kph wind from E

Portsmouth weather for Thursday 4th June 2026

29
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from E

Portsmouth weather for Friday 5th June 2026

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 22 kph from the east.