Today
Expect partly cloudy. Daytime high +82°, overnight low +79°. Light wind, up to 5 mph. Chance of precipitation up to 31%.
Weather in Port Antonio
Jamaica · Portland · 18.1789, -76.4522
Today Now 8:39 AM
+81° Mostly clear
Hourly forecast
Today10/21
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +84° and mostly clear, nighttime low +77° — almost like today.
Week
Seven days ahead fall within +77°…+84°. Weekly maximum — +84° (Thu). Rain on Fri, Sat. Sunshine expected on 4 of seven days.
Week vs norm
- Today 10/21 +82° +2° usually +80°
- Tomorrow 10/22 +84° +4° usually +80°
- Fri 10/23 +81° as usual usually +80°
- Sat 10/24 +79° −1° usually +80°
- Sun 10/25 +81° as usual usually +80°
- Mon 10/26 +82° +2° usually +80°
- Tue 10/27 +82° +2° usually +80°
- Wed 10/28 +81° as usual usually +80°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 21
Today is a typical day for this date.
- Heat record +86° 2024
- Cold record +74° 1993
- Most precipitation 1.0 in 2016
- Strongest gust 35 mph 2017
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Port Antonio
Today is close to the norm for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +76° / +71° | +74° | 4.0 |
| Feb | +76° / +71° | +74° | 3.1 |
| Mar | +77° / +72° | +74° | 4.0 |
| Apr | +78° / +73° | +76° | 4.2 |
| May | +80° / +74° | +77° | 6.8 |
| Jun | +81° / +76° | +78° | 5.3 |
| Jul | +82° / +76° | +79° | 4.3 |
| Aug | +82° / +76° | +79° | 5.4 |
| Sep | +82° / +76° | +79° | 6.4 |
| Oct | +81° / +75° | +78° | 8.8 |
| Nov | +79° / +74° | +76° | 6.6 |
| Dec | +77° / +73° | +75° | 5.1 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
6:01 AM | 5:39 PM
Moon
2:39 PM | 1:46 AM
Moon phase
Waxing gibbous 78%
Next solar eclipse
Calculating for this city…