St John's weather live forecast

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

Thursday
18th Dec
82

75

5

7
Friday
19th Dec
82

77

6

7
Saturday
20th Dec
82

75

7

7
Sunday
21st Dec
82

75

6

7
Monday
22nd Dec
82

75

6

7

5-day weather forecast updated at 04:00 on Thursday 18th December 2025 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 18th December 2025

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 12 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
60
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
12
mph wind from E

St John's weather for Friday 19th December 2025

Expect sunshine and showers in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 12 mph from the east.

82
°F maximum temperature
77
°F minimum temperature
sunshine and showers
6
hours of sunshine
7
UV index (High)
23
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
mph wind from E

St John's weather for Saturday 20th December 2025

Expect scattered clouds in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (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
scattered clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
11
mph wind from E

St John's weather for Sunday 21st December 2025

Expect sunshine and showers in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 11 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
sunshine and showers
6
hours of sunshine
7
UV index (High)
55
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
mph wind from E

St John's weather for Monday 22nd December 2025

Expect sunshine and showers in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 10 mph from the east.