Detailed weather forecast for Port-of-Spain, Trinidad and Tobago: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Port-of-Spain
today☁️31°💧 0.7 mm
Sun🌤️32°💧 0.6 mm
Mon🌧️31°💧 0.3 mm
Tue🌧️30°💧 1.4 mm
Wed🌧️29°💧 5.1 mm
Thu🌧️27°💧 10.3 mm
Fri🌧️27°💧 11.3 mm
Sat🌧️29°💧 2.3 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Thursday 10 Sept in Port-of-Spain, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
31°Cexceptionally warm
usually 29°C–31°C
warmer than 94% of similar days
night: exceptionally warmrain: less rain than usualwind: exceptionally light
32°Cexceptionally warm
usually 29°C–31°C
warmer than 97% of similar days
night: exceptionally warmrain: less rain than usualwind: lighter than usual
31°Cwarmer than usual
usually 29°C–31°C
warmer than 84% of similar days
night: near normalrain: exceptionally drywind: typical
30°Cnear normal
usually 29°C–31°C
night: near normalrain: typical rainfallwind: typical
29°Ccooler than usual
usually 29°C–31°C
cooler than 80% of similar days
night: cooler than usualrain: more rain than usualwind: typical
27°Cexceptionally cool
usually 29°C–31°C
cooler than 99% of similar days
night: cooler than usualrain: more rain than usualwind: exceptionally light
27°Cexceptionally cool
usually 29°C–31°C
cooler than 97% of similar days
night: exceptionally coolrain: exceptionally wetwind: lighter than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 2010 (29°C) and the warmest was 2024 (32°C). The current forecast averages 30°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Port-of-Spain
Port-of-Spain 30 & 45-day weather - long-range outlook
Next 15 days · forecast
29°
around 25° at night · days with rain: 12
Weeks 3-4 · avg for September
33°
around 24° at night · rain chance 64%
Weeks 5-7 · avg for October
33°
around 24° at night · rain chance 62%
The 30 & 45-day outlook for Port-of-Spain: the next 15 days are a numerical forecast updated daily - on average 29° by day and 25° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 33° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Port-of-Spain
Saturday5 September 2026
☁️31°broken clouds
sunrise 05:56 · sunset 18:13 · night 27° · evening 29° · rain 0.65 mm · humidity 57% · wind 4 m/s · clouds 52%
Sunday6 September 2026
🌤️32°scattered clouds
sunrise 05:56 · sunset 18:13 · night 26° · evening 28° · rain 0.62 mm · humidity 52% · wind 5 m/s · clouds 26%
Monday7 September 2026
🌧️31°light rain
sunrise 05:56 · sunset 18:12 · night 25° · evening 28° · rain 0.31 mm · humidity 63% · wind 6 m/s · clouds 9%
Tuesday8 September 2026
🌧️30°light rain
sunrise 05:56 · sunset 18:11 · night 25° · evening 29° · rain 1.4 mm · humidity 66% · wind 6 m/s · clouds 40%
Wednesday9 September 2026
🌧️29°light rain
sunrise 05:56 · sunset 18:11 · night 25° · evening 25° · rain 5.14 mm · humidity 75% · wind 6 m/s · clouds 53%
Thursday10 September 2026
🌧️27°moderate rain
sunrise 05:56 · sunset 18:10 · night 25° · evening 28° · rain 10.29 mm · humidity 86% · wind 4 m/s · clouds 100%
Friday11 September 2026
🌧️27°moderate rain
sunrise 05:56 · sunset 18:09 · night 24° · evening 26° · rain 11.28 mm · humidity 83% · wind 5 m/s · clouds 100%
Saturday12 September 2026
🌧️29°light rain
sunrise 05:56 · sunset 18:09 · night 25° · evening 29° · rain 2.25 mm · humidity 70% · wind 6 m/s · clouds 38%
Sunday13 September 2026
🌧️30°moderate rain
sunrise 05:56 · sunset 18:08 · night 26° · evening 28° · rain 10.38 mm · humidity 67% · wind 5 m/s · clouds 100%
Monday14 September 2026
🌧️26°light rain
sunrise 05:56 · sunset 18:07 · night 26° · evening 29° · rain 1.17 mm · humidity 88% · wind 6 m/s · clouds 99%
Tuesday15 September 2026
🌧️30°moderate rain
sunrise 05:56 · sunset 18:07 · night 25° · evening 28° · rain 10.68 mm · humidity 70% · wind 5 m/s · clouds 97%
Wednesday16 September 2026
🌧️26°light rain
sunrise 05:56 · sunset 18:06 · night 25° · evening 27° · rain 6.12 mm · humidity 88% · wind 4 m/s · clouds 100%
Thursday17 September 2026
🌧️29°light rain
sunrise 05:56 · sunset 18:05 · night 25° · evening 26° · rain 6.99 mm · humidity 70% · wind 5 m/s · clouds 81%
Friday18 September 2026
🌧️29°light rain
sunrise 05:55 · sunset 18:05 · night 25° · evening 28° · rain 2.43 mm · humidity 74% · wind 5 m/s · clouds 100%
Saturday19 September 2026
🌧️30°light rain
sunrise 05:55 · sunset 18:04 · night 26° · evening 28° · rain 1.5 mm · humidity 73% · wind 5 m/s · clouds 57%
UV index in Port-of-Spain - is it safe to sunbathe?
Today the UV index in Port-of-Spain is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.