Port Antonio

Central Port Antonio, Portland, Jamaica

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

28°

Mostly Cloudy

Feels Like: 28°

Min: 28°

Max: 30°

The next few hours will be mostly cloudy, with today reaching 30°C and dropping to 25°C. The coming days will be drizzle

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

28° 28° 28° 28° 28° 28° 28° 28° 28° 29° 29° 29° 30° 30° 30° 30° 29° 29° 29° 29° 29° 28° 28° 27°
12%
54%
54%
54%
82%
82%
82%
38%
38%
38%
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
Today
Tomorrow

Daylight Hours

05:59

Sunrise

17:54

Sunset

11 hours 55 minutes of sunlight today

Moon

Waxing Gibbous

17:20

Moonrise

04:50

Moonset

Daily Forecast

Today

28°
30°

Saturday

25°
29°

Sunday

26°
29°

Monday

25°
29°

Tuesday

26°
30°

Wednesday

27°
30°

Thursday

27°
31°

Friday

28°
30°

Saturday

27°
30°

Sunday

24°
27°

Air Quality Data Available

Upgrade to access real-time air quality data for Port Antonio.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

79% Humid
Low High

Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Port Antonio.

View stargazing score

Weather in Port Antonio today, September 25, 2026

Port Antonio looks damp on September 25, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning plans should assume damp conditions, as rain chances climb toward 54% around 11:00. Cloud cover is also at its densest near 01:00 at roughly 90%.

The day peaks near 30°C and cools toward 28°C. Moisture in the air spans 71%-84%, with the highest values around 04:00. A lighter breeze peaks around 10:00 near 2.2 km/h.

Through the afternoon wet weather remains a factor, with rain chances near 82% around 14:00. Cloud also stays substantial, close to 91% near 19:00. Horizontal visibility sits around 15.9 km, briefly nearer 10.7 km. Expect sunrise at 05:59, sunset at 17:54, and 11 hours 55 minutes of sunlight today overall.

The practical takeaway for Port Antonio on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C.

Frequently asked questions about weather in Port Antonio

How warm does it get in Port Antonio?

The warmest month in Port Antonio is September, with average high temperatures of 29°C. The average temperature during this period is around 27°C.

How cold does it get in Port Antonio?

The coldest month in Port Antonio is February, with average low temperatures of 23°C. The average temperature during this period is around 24°C.

What is the wettest time of year in Port Antonio?

The wettest month in Port Antonio is October, with an average of 254mm of precipitation.

What is the driest time of year in Port Antonio?

The driest month in Port Antonio is July, with an average of 81mm of precipitation.

View full climate insights for Port Antonio →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)