Weather Forecast: Wednesday to Friday
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Weather Forecast: Wednesday to Friday

PUBLIC WEATHER FORECAST FOR ST. MAARTEN
DATE ISSUED: Tuesday 22nd September 2026 @ 18:00 LST (22:00 UTC) 
VALID UNTIL: Wednesday evening (18:00 LST) 23rd September 2026
 
WEATHER:
Tonight: Partly cloudy with isolated showers.
Wednesday morning through evening: Partly cloudy to cloudy with scattered showers and a chance of isolated thunderstorms.
Forecast High: 32°C / 90°F               Forecast Low: 27°C / 81°F
Sunset Today: 6:09 P.M.                   Sunrise Tomorrow: 6:02 A.M.
 
SURFACE WINDS: 
Tonight through Wednesday evening: Easterly to southeasterly with a light to gentle breeze at 4 to 12 mph; higher gusts are possible.
 
SYNOPSIS: 
An approaching low-level trough along with an upper-level trough will support periods of cloudiness, showers and possible thunderstorms particularly during the latter part of this forecast period. Residents and users of areas prone to flooding are advised to be vigilant. Meanwhile, light to gentle winds, hot & humid conditions will persist. Stay hydrated, keep cool and to the shade whenever possible.
Seas will remain calm to slight through the next few days.
 
SEA CONDITIONS:
STATE:
WAVES/SWELLS:
Sheltered Areas
Calm
Below 1ft
Open Waters
Smooth to slight
1 – 3ft
 
OUTLOOK through Thursday evening: Partly cloudy to cloudy with scattered showers and a chance of isolated thunderstorms.
 
3-DAY FORECAST:
DAY
Wednesday
Thursday
Friday
WEATHER
Partly Cloudy / Cloudy,
Scattered Showers,
Thunderstorms Possible
Variably Cloudy,
Isolated Showers
Partly Cloudy,
Isolated Showers Likely
HIGH TEMP
31°C / 88°F
32°C / 90°F
33°C / 91°F
LOW TEMP
27°C / 81°F
27°C / 81°F
28°C / 82°F
SUNRISE
06:02 AM
06:02 AM
06:02 AM
SUNSET
06:08 PM
06:07 PM
06:06 PM
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