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.

Monday
19th Jan
82

75

5

7
Tuesday
20th Jan
82

75

5

7
Wednesday
21st Jan
82

75

4

8
Thursday
22nd Jan
81

75

6

8

5-day weather forecast updated at 04:01 on Saturday 17th January 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 Monday 19th January 2026

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 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 14 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
sunshine and showers
5
hours of sunshine
7
UV index (High)
64
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
14
mph wind from E

St John's weather for Tuesday 20th January 2026

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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 12 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
sunshine and showers
5
hours of sunshine
7
UV index (High)
62
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
mph wind from E

St John's weather for Wednesday 21st January 2026

Expect isolated thunderstorms in St John's, Antigua with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 11 mph from the east.

82
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
72
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
mph wind from E

St John's weather for Thursday 22nd January 2026

Expect sunshine and showers in St John's, Antigua with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 11 mph from the east.