Weather Forecast
ISSUED AT 10:16 AM
Date Wednesday 30th of September 2026
Meteorologist Tigahna Bacchus
FOR THE PERIOD: This afternoon and Tonight
TRINIDAD & TOBAGO
Sunny and hazy conditions interrupted by partly cloudy intervals with scattered showers and a low chance of the isolated thunderstorm. Showery activity likely to increase during the evening and early morning with settled periods at times. There is a 40% (medium) chance of these showers becoming heavy and or thundery over some areas. Note: 1) Gusty winds and street/flash flooding can occur in the event of heavy showers or thunderstorms. 2) A mild or moderate concentration of Saharan dust is present in the atmosphere. Sensitive persons should take necessary precautions. 3) A Hot Spell Alert (Yellow Level) is in effect!
THE REMAINDER OF THE LESSER ANTILLES
Fair to partly cloudy with few scattered light or moderate showers and the low chance of the odd isolated thunderstorm.
Temperature
Piarco Crown Point
LAST NIGHT MIN. TEMP. 24.5°C 26.6°C
FORECAST MAX. TEMP. 33°C 33°C
Sunrise & Sunset
Sunrise
5:54am
Sunset
5:56pm
Tides
Tides ISSUED at 04:43 PM Tuesday, 29th of September 2026 and valid for 04:43 PM Wednesday, 30th of September 2026
Port of Spain
High
6:27am
6:05pm
Low
12:11am
11:54am
Scarborough
High
5:48am
5:40pm
Low
11:29am
*****
Marine Conditions
Seas: Moderate.
Waves:
OPEN WATERS Near 1.5 m; Up to 2.0 m in the Leewards.
SHELTERED AREAS Below 1.0 m.
Rainfall
24-Hours Rainfall (mm) ending 2pm Tuesday, 29th of September 2026
Piarco
2.1mm
Crown Point
0.8mm
Monthly Cumulative (2pm - 2pm)
Piarco
116.3mm
Crown Point
80.4mm
Extended Outlook
Thu 1st Oct 2026
Day: Mostly cloudy conditions with occasional showers/periods of rain will interrupt settled intervals. There is a 40-60% (medium) chance of a heavy showers/thunderstorm activity. Despite lingering cloudiness, conditions are expected to become increasingly settled as the evening progresses. Night: Partly cloudy with a few showers and a 30% (low) chance of isolated thunderstorm activity favouring southern regions of Trinidad.
Piarco
31°C
25°C
Crown Point
30°C
26°C
Fri 2nd Oct 2026
Day: Hot and sunny conditions interrupted by partly cloudy periods with a few showers. There is a 40% (medium) chance of isolated thunderstorm activity. Night: Mostly fair except for isolated showers. There is a 25% (low) chance of isolated thunderstorm activity.
Piarco
34°C
25°C
Crown Point
32°C
26°C
Tourism Weather Forecast
ISSUED AT 02:58 PM
Valid Period Tonight, through Thursday 01st October, 2026.
Meteorologist C.C.Dumas
Mild Saharan Dust
Tonight

Fair but slightly hazy night with the chance of the isolated shower.

Mild Saharan Dust concentrations. Persons sensitive to these atmospheric changes should take the necessary precautions.

Temperature: Low: 25°C
Humidity: 65-90
Additional Info: Today’s Maximum Temperature:32.3°C 24-Hour Rainfall Ending 2 PM on 29/09/26:0.8mm Monthly Cumulative: 80.4mm
Tides
Seas may become occasionally choppy in/near heavier showers and/or thunderstorms.
Wednesday, September 30
Scarborough
High
05:48
05:40
Low
11:29
Plymouth
High
05:22
05:00
Low
10:49
11:58
Charlotteville
High
05:52
05:30
Low
11:19
Thursday, October 1
Scarborough
High
06:45
06:30
Low
12:27
12:15
Plymouth
High
06:16
05:47
Low
11:34
Charlotteville
High
06:46
06:17
Low
12:04
Weather Outlook
Wednesday 30th September. 2026 (12-36 HR Outlook)

Initially fair, hazy and at times breezy becoming partly cloudy to cloudy with occasional showers/periods of rain from late morning.

Some showers may get heavy and/or thundery during afternoon into night.

Winds may gust in/near heavier showers and/or thunderstorms.

Moderate Saharan Dust concentrations. Persons sensitive to these atmospheric changes should take the necessary precautions.

Temperature
24°C - 31°C
Humidity
70-95%
Wind
05-35 km/h E- ESE
Seas
Slight to Moderate
Waves
In open waters: 1.0m -1.5m, In sheltered areas: Near 1.0m, occasionally choppy in/near showers; Swell: 0.5m-1.0m,Swell period: 07-10s
Sunrise/Sunset
05:51 AM / 05:53 PM
Heat Index
33°C
Additional Information
Low to Mid Level Instability
Thursday 01st October, 2026 (36 – 60 HR Outlook)

Partly cloudy, slightly hazy and breezy with few scattered morning showers improving as the day progresses. Mostly fair night with a light breeze and the isolated shower

Winds may gust at times.

Mild Saharan Dust concentrations. Persons sensitive to these atmospheric changes should take the necessary precautions.

Temperature
25°C - 32°C
Humidity
70-90%
Wind
10-35 km/h E- SE
Waves
In open waters: 1.5m -2.0m, In sheltered areas: 1.0m - 1.5m; Swell: 0.5m-1.0m,Swell period: 07-10s
Sunrise/Sunset
05:51 AM / 05:53 PM
Heat Index
34°C
Additional Information
Moist Atmosphere
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.