Port Antonio weather live forecast

Today's maximum temperature in Port Antonio is expected to be 27°C. Select a day from the live weather forecast for Port Antonio, Jamaica for more weather parameters.

Tuesday
17th Mar
27

26

4

7
Wednesday
18th Mar
28

25

8

9
Thursday
19th Mar
28

25

3

8
Friday
20th Mar
27

23

1

6
Saturday
21st Mar
26

23

4

11

5-day weather forecast updated at 04:01 on Tuesday 17th March 2026 GMT

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The 5-day weather forecast for Jamaica (Port Antonio) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Port Antonio weather forecast by day

Below are the detailed weather forecasts for Port Antonio for the next 5 days.

Port Antonio weather for Tuesday 17th March 2026

Expect broken clouds in Port Antonio, Jamaica with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

27
°C maximum temperature
26
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from SE

Port Antonio weather for Wednesday 18th March 2026

Expect scattered clouds in Port Antonio, Jamaica with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

28
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from SE

Port Antonio weather for Thursday 19th March 2026

Expect broken clouds in Port Antonio, Jamaica with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
broken clouds
3
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

Port Antonio weather for Friday 20th March 2026

Expect isolated thunderstorms in Port Antonio, Jamaica with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and little or no wind of 4 kph from the west.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
92
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
4
kph wind from W

Port Antonio weather for Saturday 21st March 2026

Expect mostly cloudy with rain in Port Antonio, Jamaica with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a light breeze of 7 kph from the north-east.