St John's weather live forecast

Today's maximum temperature in St John's is expected to be 84°F. Select a day from the live weather forecast for St John's, Antigua for more weather parameters.

Saturday
23rd May
84

77

7

UV11
Sunday
24th May
84

77

7

UV11
Monday
25th May
84

77

6

UV10
Tuesday
26th May
84

77

2

UV11
Wednesday
27th May
84

77

3

UV7

5-day weather forecast updated at 04:00 on Saturday 23rd May 2026 GMT

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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.

St John's weather forecast by day

Below are the detailed weather forecasts for St John's for the next 5 days.

St John's weather for Saturday 23rd May 2026

Expect sunshine and showers in St John's, Antigua 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 0-2 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 14 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
sunshine and showers
7
hours of sunshine
UV11
UV index (Extreme)
37
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from E

St John's weather for Sunday 24th May 2026

Expect isolated thunderstorms in St John's, Antigua 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 29% chance of some rain and a moderate breeze of 16 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
UV11
UV index (Extreme)
29
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
mph wind from E

St John's weather for Monday 25th May 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 16 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
UV10
UV index (Very High)
73
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
mph wind from E

St John's weather for Tuesday 26th May 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 15 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
UV11
UV index (Extreme)
67
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from E

St John's weather for Wednesday 27th May 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 12 mph from the east.