Weather Forecast
ISSUED AT 09:50 AM
Date Thursday 10th of September 2026
Meteorologist Stefan Dickson
FOR THE PERIOD: This afternoon and Tonight
TRINIDAD,TOBAGO & GRENADA
Partly cloudy/cloudy with scattered showers likely at times. There is also a medium to high (60 - 70%) chance of isolated thunderstorm activity. Conditions expected to become settled by late afternoon, apart from lingering isolated showers. N.B. Street/Isolated flash flooding and gusty winds are possible in the event of heavy downpours.
THE REMAINDER OF THE LESSER ANTILLES
Generally fair, hazy and breezy with the chance of a few partly cloudy spells with isolated showers.
Temperature
Piarco Crown Point
LAST NIGHT MIN. TEMP. 26.2°C 26.5°C
FORECAST MAX. TEMP. 32°C 31°C
Sunrise & Sunset
Sunrise
5:56am
Sunset
6:09pm
Tides
Tides ISSUED at 04:24 PM Wednesday, 09th of September 2026 and valid for 04:24 PM Thursday, 10th of September 2026
Port of Spain
High
3:10am
3:51pm
Low
9:33am
9:47pm
Scarborough
High
2:57am
3:28pm
Low
9:21am
9:27pm
Marine Conditions
Seas: Moderate
Waves:
OPEN WATERS 1.5m - 2.0m; Near 2.5m in the Leewards
SHELTERED AREAS Near 1.0m; Choppy near showers
Rainfall
24-Hours Rainfall (mm) ending 2pm Wednesday, 09th of September 2026
Piarco
trace
Crown Point
21.2mm
Monthly Cumulative (2pm - 2pm)
Piarco
25.6mm
Crown Point
26.6mm
Extended Outlook
Fri 11th Sep 2026
Partly cloudy, hazy and windy with a few showers favouring the morning and early afternoon. There is also a medium (40%) chance of isolated thunderstorm activity, favouring Trinidad. Nighttime will be generally settled apart from a few early morning showers.
Piarco
32°C
25°C
Crown Point
31°C
26°C
Sat 12th Sep 2026
Partly cloudy/cloudy with periods of showers. There is also a medium (60%) chance of thunderstorm activity. Nighttime will be generally settled apart from a few early morning showers and the risk of the odd thunderstorm.
Piarco
31°C
25°C
Crown Point
31°C
26°C
Tourism Weather Forecast
ISSUED AT 07:30 PM
Valid Period Tonight through Friday 11th September 2026
Meteorologist Trevis Gardiner
Cloudy periods and showers associated with Low-level instability
Tonight

Fair to partly cloudy with one or two lingering showers, and the low chance of the odd thunderstorm.     

Temperature: Low: 26°C
Humidity: 70 - 95
Additional Info: 24-Hour Rainfall Ending 2 PM on 09/09/2026: 21.2 mm Monthly cumulative: 26.6 mm
Tides
Spring tides will remain in effect until Sunday 13th September, 2026. All marine interests are advised to exercise caution especially during high tides.
Thursday, September 10
Scarborough
High
02:57
03:28
Low
09:21
09:27
Plymouth
High
02:05
02:46
Low
08:28
08:42
Charlotteville
High
02:35
03:16
Low
08:58
09:12
Friday, September 11
Scarborough
High
03:40
04:00
Low
09:56
10:06
Plymouth
High
02:51
03:19
Low
09:03
09:22
Charlotteville
High
03:21
03:49
Low
09:33
09:52
Weather Outlook
Thursday 10th September 2026 (12 – 36 HR Outlook)

Cloudy intervals at times accompanied by scattered showers, will interrupt generally fair and breezy conditions. There is a low (30%) chance of heavier showers and/ or isolated thunderstorms.

Temperature
26°C - 32°C
Humidity
65 - 95%
Wind
08 – 40 km/h ENE to ESE
Seas
Moderate
Waves
In open waters: Near 2.0 m, In sheltered areas: Near 1.0 m; Swell: 0.5 – 2.0 m, Swell period: 6 – 10s
Sunrise/Sunset
05:52 AM / 06:06 PM
Heat Index
37°C
Additional Information
In the event of a heavy shower winds can become gusty and localized street flooding is likely to occur.
Friday 11th September 2026 (36 – 60 HR OUTLOOK)

Generally hot and breezy/ windy conditions will be interrupted by a few showery spells favouring early morning. Initially fair night, with showers developing mainly after midnight.  

Temperature
25°C - 32°C
Humidity
65 - 95%
Wind
08 - 45 km/h NE to ESE
Seas
Moderate
Waves
In open waters: Near 2.0 m, In sheltered areas: Near 1.0 m; Swell: 0.5 – 2.0 m, Swell period: 8 – 12s
Sunrise/Sunset
05:52 AM / 06:06 PM
Heat Index
37°C
Additional Information
In the event of a heavy shower winds can become gusty and localized street flooding is likely to occur.
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.