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.

Wednesday
22nd Apr
82

72

7

11
Thursday
23rd Apr
82

72

6

11
Friday
24th Apr
84

73

7

11
Saturday
25th Apr
84

73

7

11
Sunday
26th Apr
84

75

6

11

5-day weather forecast updated at 04:03 on Wednesday 22nd April 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 Wednesday 22nd April 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.

82
°F maximum temperature
72
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
6
mph wind from NE

Portsmouth weather for Thursday 23rd April 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

82
°F maximum temperature
72
°F minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
6
mph wind from E

Portsmouth weather for Friday 24th April 2026

Expect broken clouds in Portsmouth, Dominica with a maximum temperature of 84°F, 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 light breeze of 6 mph from the east.

84
°F maximum temperature
73
°F minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from E

Portsmouth weather for Saturday 25th April 2026

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 84°F, 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 59% chance of some rain and a gentle breeze of 9 mph from the south-east.

84
°F maximum temperature
73
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
59
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from SE

Portsmouth weather for Sunday 26th April 2026

Expect isolated thunderstorms in Portsmouth, Dominica with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 12 mph from the south-east.