Live Weather & Forecast
Weather in Saint Martin
Real-time conditions & 3-day outlook · Air quality included
27°C
Feels like 29°C
80°F / Feels 84°F
Partly Cloudy
Saint Martin
🌙 Nighttime
Updated: 2026-05-20 23:15
Humidity
69%
Wind
32.8 km/h E
Wind Gust
44 km/h
Pressure
1018 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
54%
Dew Point
20.6°C
Wind Degree
93°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
106.8 μg/m³
NO₂
1.1 μg/m³
O₃
69 μg/m³
SO₂
1 μg/m³
PM 2.5
9.4 μg/m³
PM 10
15.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Saint Martin
12 AM
27°
Patchy rain nearby
1 AM
27°
Patchy rain nearby
2 AM
27°
Patchy rain nearby
3 AM
27°
Patchy rain nearby
4 AM
27°
Patchy rain nearby
5 AM
27°
Patchy rain nearby
6 AM
27°
Partly Cloudy
7 AM
27°
Patchy rain nearby
8 AM
27°
Patchy rain nearby
9 AM
27°
Patchy rain nearby
10 AM
27°
Patchy rain nearby
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
27°
Patchy rain nearby
4 PM
27°
Patchy rain nearby
5 PM
27°
Patchy rain nearby
6 PM
27°
Partly Cloudy
7 PM
27°
Patchy rain nearby
8 PM
27°
Patchy rain nearby
9 PM
27°
Patchy rain nearby
10 PM
27°
Partly Cloudy
11 PM
27°
Partly Cloudy
3-Day Forecast
Daily overview for Saint Martin
Today
Patchy rain nearby
27°
/
26°
🌧️ 88% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 37.8 km/h
🌧️ Total precip: 1.06 mm
☀️ UV Index: 11.4
🌅 Sunrise: 05:38 AM
🌇 Sunset: 06:40 PM
🌙 Waxing Crescent
🌑 Moon: 15% lit
Thu, May 21
Patchy rain nearby
27°
/
26°
🌧️ 88% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 1.31 mm
☀️ UV Index: 2
🌅 Sunrise: 05:38 AM
🌇 Sunset: 06:40 PM
🌙 Waxing Crescent
🌑 Moon: 24% lit
Fri, May 22
Patchy rain nearby
27°
/
27°
🌧️ 89% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 1.95 mm
☀️ UV Index: 6
🌅 Sunrise: 05:37 AM
🌇 Sunset: 06:41 PM
🌙 Waxing Crescent
🌑 Moon: 34% lit
Best Time to Visit Saint Martin
The best time to visit Saint Martin is during the dry season from December through April, when the island enjoys minimal rainfall, consistent sunshine, low humidity, and calm Caribbean waters perfect for sailing, snorkeling, and beach relaxation. January through March are the most reliably beautiful months climatically, with temperatures hovering comfortably between 24°C and 28°C. This is also peak season for the island's sailing community, with numerous regattas and boat charters operating at full capacity — the anchorages at Simpson Bay and Marigot Bay fill with yachts from across the Atlantic.
Carnival in February brings explosive festivity to the streets of both sides of the island, and the period around Christmas and New Year is exceptionally lively with parties, beach events, and a festive atmosphere that makes it one of the Caribbean's most enjoyable holiday destinations. The wet season from July through November brings warmer temperatures and higher humidity with occasional heavy showers. September and October mark the peak of hurricane season, and while serious storms are unpredictable, Saint Martin sustained significant damage from Hurricane Irma in 2017 and continues to rebuild with impressive resilience. Visiting in the low season (May–July) offers dramatically lower prices and a quieter, more local island experience.
Carnival in February brings explosive festivity to the streets of both sides of the island, and the period around Christmas and New Year is exceptionally lively with parties, beach events, and a festive atmosphere that makes it one of the Caribbean's most enjoyable holiday destinations. The wet season from July through November brings warmer temperatures and higher humidity with occasional heavy showers. September and October mark the peak of hurricane season, and while serious storms are unpredictable, Saint Martin sustained significant damage from Hurricane Irma in 2017 and continues to rebuild with impressive resilience. Visiting in the low season (May–July) offers dramatically lower prices and a quieter, more local island experience.
Frequently Asked Questions
What is the current weather in Saint Martin?
Current conditions in Saint Martin: Partly Cloudy with a temperature of 27°C, humidity 69%.
What is the best time to visit Saint Martin?
The best time to visit Saint Martin is during the dry season from December through April, when the island enjoys minimal rainfall, consistent sunshine, low humidity, and calm Caribbean waters perfect for sailing, snorkeling, and beach relaxation. January through March are the most reliably beautiful...
What is the climate like in Saint Martin?
Saint Martin is located at approximately 18.1° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it snow in Saint Martin?
Snow is generally rare in Saint Martin due to its location near the tropics.
What is the hottest month in Saint Martin?
Temperatures in Saint Martin remain relatively warm year-round. The warmest period is usually between March and May.
What should I pack for a trip to Saint Martin?
For November – April visits to Saint Martin: light clothing and sun protection. For June – September: layers and waterproof gear are recommended.
How accurate is the weather forecast for Saint Martin?
The forecast is sourced from WeatherAPI.com and updated hourly with real-time atmospheric data for Saint Martin. The 3-day outlook includes hourly breakdowns, air quality index, and precipitation probability.
What is the humidity like in Saint Martin?
Current humidity in Saint Martin is 69%. Tropical regions typically experience higher humidity year-round.