Portsmouth weather live forecast

Today's maximum temperature in Portsmouth is expected to be 82°F. Select a day from the live weather forecast for Portsmouth, Dominica for more weather parameters.

Monday
2nd Feb
82

73

7

9
Tuesday
3rd Feb
82

75

7

9
Wednesday
4th Feb
82

75

6

9
Thursday
5th Feb
82

75

7

8
Friday
6th Feb
84

73

7

10

5-day weather forecast updated at 04:04 on Monday 2nd February 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 2nd February 2026

Expect scattered clouds in Portsmouth, Dominica with a maximum temperature of 82°F, low 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 gentle breeze of 9 mph from the east.

82
°F maximum temperature
73
°F minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
mph wind from E

Portsmouth weather for Tuesday 3rd February 2026

82
°F maximum temperature
75
°F minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
mph wind from E

Portsmouth weather for Wednesday 4th February 2026

Expect sunshine and showers in Portsmouth, Dominica with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 9 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
sunshine and showers
6
hours of sunshine
9
UV index (Very High)
28
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
mph wind from E

Portsmouth weather for Thursday 5th February 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
mph wind from E

Portsmouth weather for Friday 6th February 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 84°F, 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 11 mph from the east.