St John's weather live forecast

Today's maximum temperature in St John's is expected to be 28°C. Select a day from the live weather forecast for St John's, Antigua for more weather parameters.

Thursday
23rd Apr
28

24

6

11
Friday
24th Apr
29

24

8

11
Saturday
25th Apr
29

24

7

10
Sunday
26th Apr
29

24

8

10
Monday
27th Apr
29

25

2

9

5-day weather forecast updated at 04:00 on Thursday 23rd April 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 Thursday 23rd April 2026

Expect sunshine and showers in St John's, Antigua with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a light breeze of 9 kph from the north-east.

28
°C maximum temperature
24
°C minimum temperature
sunshine and showers
6
hours of sunshine
11
UV index (Extreme)
17
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
kph wind from NE

St John's weather for Friday 24th April 2026

Expect scattered clouds in St John's, Antigua 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 light breeze of 9 kph from the east.

29
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

St John's weather for Saturday 25th April 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a light breeze of 11 kph from the south-east.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
63
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from SE

St John's weather for Sunday 26th April 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the south-east.

29
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
53
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SE

St John's weather for Monday 27th April 2026

Expect broken clouds in St John's, Antigua with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.