Antigua weather live forecast

Today's maximum temperature in Antigua is expected to be 31°C. Select a day from the live weather forecast for Antigua (St John's) for more weather parameters.

Sunday
20th Sep
31

26

8

11
Monday
21st Sep
31

27

8

11
Tuesday
22nd Sep
31

27

7

11
Wednesday
23rd Sep
31

26

6

9
Thursday
24th Sep
31

26

6

11

5-day weather forecast updated at 04:00 on Sunday 20th September 2026 GMT

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Destination

The 5-day weather forecast for Antigua (St John's) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Below are temperatures expected today at popular countries, regions and places in Antigua. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Antigua weather forecast by day

Below are the detailed weather forecasts for Antigua for the next 5 days. The forecasts shown are for St John's and may not represent the whole of Antigua. Browse more destinations in Antigua to view more weather forecasts.

Antigua weather for Sunday 20th September 2026

Expect isolated thunderstorms in Antigua with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and little or no wind of 6 kph from the south-east.

31
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
33
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from SE

Antigua weather for Monday 21st September 2026

Expect isolated thunderstorms in Antigua with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a light breeze of 11 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
18
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Antigua weather for Tuesday 22nd September 2026

Expect broken clouds in Antigua with a maximum temperature of 31°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 16 kph from the east.

31
°C maximum temperature
27
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

Antigua weather for Wednesday 23rd September 2026

Expect isolated thunderstorms in Antigua with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 16 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
41
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

Antigua weather for Thursday 24th September 2026

Expect isolated thunderstorms in Antigua with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 18 kph from the east.