Live Weather & Forecast
Weather in Saint Mary
Jamaica · Real-time conditions & 3-day outlook
27°C
Feels like 28°C
80°F / Feels 82°F
Patchy rain nearby
Saint Mary, Jamaica
🌞 Daytime
Updated: 2026-04-27 14:45
Humidity
56%
Wind
12.2 km/h S
Wind Gust
16.1 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
9.5
(Very High)
Precipitation
0.02 mm
Cloud Cover
89%
Dew Point
17.5°C
Wind Degree
176°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
687.9 μg/m³
NO₂
10.1 μg/m³
O₃
68 μg/m³
SO₂
5.2 μg/m³
PM 2.5
15.6 μg/m³
PM 10
16.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Saint Mary, Jamaica
12 AM
21°
Patchy rain nearby
1 AM
21°
Partly Cloudy
2 AM
21°
Patchy rain nearby
3 AM
21°
Clear
4 AM
21°
Clear
5 AM
21°
Clear
6 AM
21°
Sunny
7 AM
21°
Sunny
8 AM
23°
Sunny
9 AM
25°
Sunny
10 AM
26°
Sunny
11 AM
27°
Patchy rain nearby
12 PM
27°
Patchy rain nearby
1 PM
27°
Patchy rain nearby
2 PM
27°
Patchy rain nearby
3 PM
26°
Patchy rain nearby
4 PM
25°
Patchy rain nearby
5 PM
24°
Patchy rain nearby
6 PM
24°
Patchy rain nearby
7 PM
23°
Clear
8 PM
23°
Clear
9 PM
22°
Clear
10 PM
22°
Clear
11 PM
22°
Clear
3-Day Forecast
Daily overview for Saint Mary, Jamaica
Today
Patchy rain nearby
28°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 1.52 mm
☀️ UV Index: 13.1
🌅 Sunrise: 05:46 AM
🌇 Sunset: 06:30 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Tue, Apr 28
Patchy rain nearby
29°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 3.26 mm
☀️ UV Index: 13.4
🌅 Sunrise: 05:45 AM
🌇 Sunset: 06:30 PM
🌙 Waxing Gibbous
🌑 Moon: 87% lit
Wed, Apr 29
Moderate rain
28°
/
21°
🌧️ 89% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 8.3 km/h
🌧️ Total precip: 9.95 mm
☀️ UV Index: 13
🌅 Sunrise: 05:45 AM
🌇 Sunset: 06:30 PM
🌙 Waxing Gibbous
🌑 Moon: 93% lit
Best Time to Visit Saint Mary
Plan your trip around the most favorable weather conditions in Saint Mary, Jamaica.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Saint Mary?
Current conditions in Saint Mary: Patchy rain nearby, temperature 27°C, humidity 56%.
What is the best time to visit Saint Mary?
The best time to visit Saint Mary is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Saint Mary?
Saint Mary shares the climate of Jamaica. It has a tropical or subtropical climate.
Does it rain a lot in Saint Mary?
Rainfall patterns in Saint Mary vary by season. Being in a tropical zone, Saint Mary can experience heavy rainfall during the wet season (June – September).
What should I pack for Saint Mary?
For visits during November – April: light clothing and sun protection. For the June – September period: layers and a waterproof jacket are recommended for Saint Mary.
What country is Saint Mary in?
Saint Mary is a state/province of Jamaica.
What are the public holidays in Saint Mary in 2026?
View the full list of 2026 public holidays for Saint Mary on our Holidays page.
What are the coordinates for the weather forecast in Saint Mary?
The weather forecast for Saint Mary is based on coordinates 18.25, -77.5.