Weather forecast for 10 days
Port Antonio, Jamaica

Weather forecast for the weekend

Saturday, 21. Jun

AM Showers
05:29

18:45
EST
AM Showers
30°C / 26°C
  • Wind: 30km/h ESE
  • Humidity: 77%
  • Precip. probability: 34%
  • Precipitation: 0mm
  • UV index: 9
On Saturday, in Port Antonio, morning showers are expected.
Minimal precipitation is predicted for today. Temperature values will show minor divergence, extending from a humid 30°C to a moderately hot 26°C.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a sweltering 37°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Expect temperatures to reach June's average high of 30°C.
Sunrise was at 05:29 and sunset will be at 18:45; the daylight will last for 13h and 16min.

Sunday, 22. Jun

Partly Cloudy
05:30

18:45
EST
Partly Cloudy
31°C / 25°C
  • Wind: 30km/h ESE
  • Humidity: 73%
  • Precip. probability: 24%
  • Precipitation: 5mm
  • UV index: 11
On Sunday, 22nd of June, expect a partly sunny afternoon with variable cloud cover.
With a low probability, light precipitation is expected for tomorrow. Predicted temperatures will peak at a blazing 31°C and dip to a minimum of a temperate 25°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at a steamy 39°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted high will reflect the normal June maximum of 30°C.
Sunrise will be at 05:30 and sunset at 18:45; tomorrow's daylight will last for 13h and 16min.

Frequently asked questions

What is the weather forecast for Port Antonio for tomorrow?
On Sunday, the sky will feature a blend of clouds and sunshine.
Will it rain tomorrow?
Light precipitation of 5mm is anticipated. The likelihood of rainfall is 24%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 25°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 39°C.
The maximum temperature tomorrow will be in line with the average highest temperature in June. The lowest temperature will be moderately higher than the average low of 22°C.
What time are sunrise and sunset tomorrow?
On Sunday, in Port Antonio, sunrise will be at 05:30 and sunset at 18:45 (EST).
How long will the day be tomorrow in Port Antonio?
In Port Antonio, tomorrow, there will be 13h and 16min of daylight.
What is the weather forecast for Port Antonio for the next ten days?
In Port Antonio, a combination of wet, storm-filled and dull weather is anticipated for the next ten days.
Will it rain in the next ten days?
In Port Antonio, rainfall is expected almost every day for the next ten days. Tuesday, with light precipitation of 8mm, will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 29°C and 31°C, while the minimum temperature will range between 25°C and 27°C.
Including the humidity's impact, the maximum feel-like temperature will vary between 35°C and 39°C.
What will be the hottest and the coldest days?
The hottest days will be Sunday and Friday, with a maximum of 31°C. The coldest days will be Monday and Wednesday, with a maximum of 29°C.

Long-term weather forecast

Sat21.Jun
  • 30°C
  • 26°C
AM Showers
AM Showers
  • Wind: 30km/h ESE
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 34%
  • Precipitation: 0mm
  • 05:29 18:45 EST
Sun22.Jun
  • 31°C
  • 25°C
Partly Cloudy
Partly Cloudy
  • Wind: 30km/h ESE
  • Humidity: 73%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 5mm
  • 05:30 18:45 EST
Mon23.Jun
  • 29°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 28km/h ESE
  • Humidity: 79%
  • UV index: 8
  • Precip. probability: 57%
  • Precipitation: 6mm
  • 05:30 18:45 EST
Tue24.Jun
  • 30°C
  • 25°C
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 33km/h ESE
  • Humidity: 77%
  • UV index: 8
  • Precip. probability: 58%
  • Precipitation: 8mm
  • 05:30 18:46 EST
Wed25.Jun
  • 29°C
  • 26°C
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Wind: 34km/h ESE
  • Humidity: 79%
  • UV index: 8
  • Precip. probability: 69%
  • Precipitation: 6mm
  • 05:30 18:46 EST
Thu26.Jun
  • 30°C
  • 27°C
AM Showers / Wind
AM Showers / Wind
  • Wind: 37km/h ESE
  • Humidity: 77%
  • UV index: 10
  • Precip. probability: 48%
  • Precipitation: 2mm
  • 05:31 18:46 EST
Fri27.Jun
  • 31°C
  • 27°C
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Wind: 33km/h ESE
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 05:31 18:46 EST
Sat28.Jun
  • 30°C
  • 26°C
Showers / Wind
Showers / Wind
  • Wind: 33km/h ESE
  • Humidity: 73%
  • UV index: 10
  • Precip. probability: 40%
  • Precipitation: 3mm
  • 05:31 18:46 EST
Sun29.Jun
  • 30°C
  • 26°C
Showers
Showers
  • Wind: 31km/h ESE
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 46%
  • Precipitation: 5mm
  • 05:32 18:46 EST
Mon30.Jun
  • 30°C
  • 27°C
Thunderstorms / Wind
Thunderstorms / Wind
  • Wind: 34km/h ESE
  • Humidity: 75%
  • UV index: 8
  • Precip. probability: 60%
  • Precipitation: 4mm
  • 05:32 18:46 EST
Looking ahead, conditions suggest a period of rainy, storm-filled and dull weather is anticipated.
Rainfall is forecasted nearly every day for the next ten days.
Highs will stay within a very narrow margin in the coming days. Maximum temperatures will fall between 29°C and 31°C, while the overnight low will be also nearly unchanged, as night temperatures will lie between 25°C and 27°C.
With a maximum temperature of 31°C, Sunday and Friday will be the hottest days in Port Antonio; the coldest days will be Monday and Wednesday, with a maximum of 29°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and vary between a sizzling 35°C and a very hot 39°C.
Updated: Jun 21, 2025 @ 13:13:25 UTC
Published by: Weather Atlas | About Us
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