Weather Forecast
ISSUED AT 04:31 PM
Date Friday 15th of May 2026
Meteorologist Gary Benjamin
FOR THE PERIOD: Tonight and Tomorrow
TRINIDAD,TOBAGO & THE Southern WINDWARDS
TONIGHT: Fair to partly cloudy at times with brief showers over varying areas. TOMORROW: Partly cloudy to cloudy predawn with a few showers and a medium chance for an isolated heavy shower. Day time is expected to be fair to partly cloudy, breezy to windy, with moderate to at times high concentrations of Saharan dust. Brief showers over varying areas and a medium chance for a moderate to heavy shower in some areas. N.B. HIGH WIND ALERT #1 – Yellow Level in effect! N.B. Saharan dust concentration is expected to be moderate to at times high. Sensitive persons are advised to take necessary precautions.
THE REMAINDER OF THE LESSER ANTILLES
TONIGHT & TOMORROW: Fair, hazy and breezy to windy, becoming partly cloudy at times with light to moderate showers over varying areas.
Temperature
Piarco Crown Point
FORECAST MIN. TEMP. 25°C 25°C
TODAY'S MAX TEMP. 32.9°C 31.8°C
FORECAST MAX. TEMP. 33°C 32°C
HEAT INDEX 36°C 35°C
Sunrise & Sunset
Sunrise
5:43
Sunset
6:21
Tides
Tides ISSUED at 04:31 PM Friday, 15th of May 2026 and valid for 04:31 PM Saturday, 16th of May 2026
Port of Spain
High
2:59am
4:15pm
Low
9:40am
9:32pm
Scarborough
High
2:33am
3:35pm
Low
9:15am
9:08pm
Marine Conditions
Seas: Moderate
Waves:
OPEN WATERS 2.5m to 2.9m
SHELTERED AREAS 1.0m and choppy
MARINE ADVISORY N.B. Sea bathers and all other marine interests are advised to exercise caution.
Rainfall
24-Hours Rainfall (mm) ending 2pm Friday, 15th of May 2026
Piarco
0.7mm
Crown Point
NIL
Monthly Cumulative (2pm - 2pm)
Piarco
7.4mm
Crown Point
1.0mm
Extended Outlook
Sun 17th May 2026
Fair, hazy and breezy to windy, becoming partly cloudy at times with brief light or moderate showers over varying areas.
Piarco
33°C
25°C
Crown Point
32°C
25°C
Mon 18th May 2026
Fair, hazy and breezy to windy, becoming partly cloudy at times with brief light or moderate showers over varying areas.
Piarco
33°C
25°C
Crown Point
32°C
25°C
Tourism Weather Forecast
ISSUED AT 07:10 PM
Valid Period Tonight, through Monday 18th May 2026
Meteorologist Trevis Gardiner
A significant concentration of Saharan dust is present in the atmosphere. Sensitive persons are advised to take all necessary precautions
Tonight

Generally fair, hazy, and breezy, with showers developing in some areas mainly after midnight.       

Temperature: Low: 25°C
Humidity: 65 - 90
Additional Info: 24-Hour Rainfall Ending 2PM on 15/05/2026: Nil Monthly cumulative: 1.0 mm
Tides
Spring tides will remain in effect until Tuesday 19th May 2026. All marine interests are advised to exercise caution especially at high tides.
Saturday, May 16
Scarborough
High
02:33
03:35
Low
09:15
09:08
Plymouth
High
01:54
03:10
Low
08:35
08:27
Charlotteville
High
02:24
03:40
Low
09:05
08:57
Sunday, May 17
Scarborough
High
03:16
04:26
Low
10:04
09:55
Plymouth
High
02:38
04:00
Low
09:25
09:16
Charlotteville
High
03:08
04:30
Low
09:55
09:46
Monday, May 18
Scarborough
High
04:03
05:20
Low
10:56
10:46
Plymouth
High
03:25
04:52
Low
10:15
10:08
Charlotteville
High
03:55
05:22
Low
10:45
10:38
Weather Outlook
Saturday 16th May 2026 (12 – 36 HR Outlook)

A few showery spells favouring the morning period, will interrupt a generally fair, hazy, and breezy/ windy day. 

Winds may gust at times, especially in the vicinity of showers

 

Temperature
26°C - 32°C
Humidity
60 - 95%
Wind
Daytime 15 – 45 km/h, Night-time 08 – 20 km/h NE to ESE
Seas
Moderate, occasionally rough
Waves
In open waters: 2.0 m to 2.5 m, occasionally up to 3.0 m, In sheltered areas: 1.0 m to 1.5 m; Swell: 1.0 – 2.5 m, Swell period: 8 – 12s
Sunrise/Sunset
05:39 AM / 06:18 PM
Heat Index
35°C
Additional Information
High Wind Alert (Yellow level) in effect
Sunday 17th May 2026 (36 – 60 HR OUTLOOK)

Hot, hazy, and at times breezy, despite the likelihood of one or two passing showers. Mostly fair and at times breezy night.

Winds may gust at times, especially in the vicinity of showers

Temperature
26°C - 32°C
Humidity
55 - 85%
Wind
08 - 40 km/h NE to ESE
Seas
Moderate
Waves
In open waters: 2.0 m to 2.5 m, In sheltered areas: Near 1.0 m, occasionally choppy; Swell: 1.0 – 2.5 m, Swell period: 7 – 10s
Sunrise/Sunset
05:39 AM / 06:18 PM
Heat Index
35°C
Additional Information
High Wind Alert (Yellow level) in effect
Monday 18th May 2026 (60 – 84 HR OUTLOOK)

Sunny, slightly hazy, and at times breezy, despite the odd shower. Overnight will be generally fair.

Temperature
26°C - 23°C
Humidity
55 - 85%
Wind
08 - 40 km/h ENE to ESE
Seas
Moderate
Waves
In open waters: 2.0 m to 2.5 m, In sheltered areas: Near 1.0 m; Swell: 1.0 – 2.5 m, Swell period: 7 – 10s
Sunrise/Sunset
05:39 AM / 06:19 PM
Heat Index
35°C
Additional Information
Winds may gust at times, especially in the vicinity of showers
Agromet Bulletin and Assessment Update

Dust Air Quality Index

Trinidad and Tobago Meteorological Service
Last updated: March 13, 2025 at 12:26 PM

March 2025

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Select a day to view details

Click on a day with data to view detailed information

Air Quality Categories

0-54 μg/m³: Negligible
55-154 μg/m³: Moderate
155-254 μg/m³: High
255-354 μg/m³: Very High
355-424 μg/m³: Extreme
425+ μg/m³: Dangerous

About Dust

Saharan dust consists of fine particulate matter that can travel thousands of miles across the Atlantic. These particles can affect air quality and visibility, potentially causing health concerns

Learn More

PM2.5 Air Quality Index

Trinidad and Tobago Meteorological Service
Last updated: Loading...

March 2025

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Select a day to view details

Click on a day with data to view detailed information

Air Quality Categories

0-54 μg/m³: Negligible
55-154 μg/m³: Moderate
155-254 μg/m³: High
255-354 μg/m³: Very High
355-424 μg/m³: Extreme
425+ μg/m³: Dangerous

About PM2.5

PM2.5 refers to fine particulate matter that is 2.5 micrometers or smaller in diameter. These particles can penetrate deep into the lungs and bloodstream, potentially causing health problems.

Learn More
Extended Range Forecast

Sub-seasonal (week 3 and week 4 ahead) rainfall predictions for Trinidad and Tobago

The interactive map provides intra-seasonal rainfall climate information for decision-making in climate sensitive communities, where sub-seasonal forecasts are particularly well suited.

The interactive map shows the latest forecast for week 3 and week 4 ahead (i.e. the 7-day Saturday-Friday target period, 15-21 days and 22-28 days after the date the forecast is issued). New forecasts are issued weekly on Fridays.

SEE INSTRUCTIONS BELOW THE MAP
Instructions
  • When navigating to a forecast, move the mouse over a bubble representing an area to get the possible rainfall total for week 3 ahead.
  • Clicking on any bubble on the forecast map will show, for week 3 and week 4 ahead, possible rainfall totals, percentage chance of wet or dry conditions and percentage change of exceeding 10mm and 25mm.

This sub-seasonal-to-seasonal forecasting product is still under development.

Terms and Definitions
Weather Terms
Partly Cloudy
Sky condition when between 3/8 and 5/8 of the sky is covered by clouds.
Mostly Cloudy
Sky condition when between 6/8 and 7/8 of the sky is covered by clouds.
Overcast
Sky condition when 8/8 of the sky is covered by clouds.
Precipitation Terms
Isolated
Probability of precipitation between 10% and 20%.
Scattered
Probability of precipitation between 30% and 50%.
Likely
Probability of precipitation between 60% and 70%.
Marine Terms
Slight Seas
Wave heights between 0.5 and 1.25 meters.
Moderate Seas
Wave heights between 1.25 and 2.5 meters.
Rough Seas
Wave heights between 2.5 and 4.0 meters.
Very Rough Seas
Wave heights between 4.0 and 6.0 meters.