Weather in Arima - 14-day forecast

Detailed weather forecast for Arima, Trinidad and Tobago: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Arima

today🌤️ 31°💧 0.7 mm

Sun☀️ 33°💧 0.1 mm

Mon🌧️ 31°💧 0.2 mm

Tue🌧️ 30°💧 0.8 mm

Wed🌧️ 30°💧 4 mm

Thu🌧️ 28°💧 8.8 mm

Fri🌧️ 29°💧 13.8 mm

Sat🌧️ 29°💧 2.2 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

Sunday 6 Sept in Arima, the forecast high is 33°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

Saturday 5 Sept

31°Cwarmer than usual

usually 29°C–31°C

warmer than 88% of similar days

night: exceptionally warm rain: less rain than usual wind: exceptionally light

Sunday 6 Sept

33°Cexceptionally warm

usually 29°C–31°C

warmer than 99% of similar days

night: near normal rain: exceptionally dry wind: lighter than usual

Monday 7 Sept

31°Cwarmer than usual

usually 29°C–31°C

warmer than 82% of similar days

night: exceptionally cool rain: exceptionally dry wind: lighter than usual

Tuesday 8 Sept

30°Cnear normal

usually 29°C–31°C

night: exceptionally cool rain: less rain than usual wind: lighter than usual

Wednesday 9 Sept

30°Cnear normal

usually 29°C–31°C

night: exceptionally cool rain: typical rainfall wind: exceptionally light

Thursday 10 Sept

28°Cexceptionally cool

usually 29°C–31°C

cooler than 95% of similar days

night: exceptionally cool rain: more rain than usual wind: exceptionally light

Friday 11 Sept

29°Cexceptionally cool

usually 29°C–31°C

cooler than 90% of similar days

night: exceptionally cool rain: exceptionally wet wind: exceptionally light

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Arima

Arima - 14-day weather forecast infographic

Arima 30 & 45-day weather - long-range outlook

Next 15 days · forecast

29°

around 24° at night · days with rain: 11

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 Arima: the next 15 days are a numerical forecast updated daily - on average 29° by day and 24° 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 Arima

Saturday5 September 2026

🌤️31°a few clouds

sunrise 05:55 · sunset 18:12 · night 27° · evening 28° · rain 0.69 mm · humidity 49% · wind 4 m/s · clouds 19%

Sunday6 September 2026

☀️33°clear sky

sunrise 05:55 · sunset 18:12 · night 25° · evening 27° · rain 0.12 mm · humidity 45% · wind 5 m/s · clouds 10%

Monday7 September 2026

🌧️31°light rain

sunrise 05:55 · sunset 18:11 · night 24° · evening 26° · rain 0.21 mm · humidity 62% · wind 5 m/s · clouds 12%

Tuesday8 September 2026

🌧️30°light rain

sunrise 05:55 · sunset 18:10 · night 24° · evening 27° · rain 0.77 mm · humidity 65% · wind 4 m/s · clouds 92%

Wednesday9 September 2026

🌧️30°light rain

sunrise 05:55 · sunset 18:10 · night 24° · evening 25° · rain 4.02 mm · humidity 68% · wind 3 m/s · clouds 55%

Thursday10 September 2026

🌧️28°moderate rain

sunrise 05:55 · sunset 18:09 · night 24° · evening 28° · rain 8.79 mm · humidity 77% · wind 3 m/s · clouds 100%

Friday11 September 2026

🌧️29°moderate rain

sunrise 05:55 · sunset 18:08 · night 23° · evening 26° · rain 13.77 mm · humidity 77% · wind 3 m/s · clouds 93%

Saturday12 September 2026

🌧️29°light rain

sunrise 05:55 · sunset 18:08 · night 24° · evening 28° · rain 2.22 mm · humidity 71% · wind 4 m/s · clouds 19%

Sunday13 September 2026

🌧️29°light rain

sunrise 05:55 · sunset 18:07 · night 25° · evening 27° · rain 2.46 mm · humidity 71% · wind 4 m/s · clouds 87%

Monday14 September 2026

🌧️27°light rain

sunrise 05:55 · sunset 18:06 · night 24° · evening 28° · rain 1.14 mm · humidity 84% · wind 3 m/s · clouds 100%

Tuesday15 September 2026

🌧️30°moderate rain

sunrise 05:55 · sunset 18:06 · night 24° · evening 27° · rain 9.27 mm · humidity 69% · wind 3 m/s · clouds 97%

Wednesday16 September 2026

🌧️25°moderate rain

sunrise 05:55 · sunset 18:05 · night 24° · evening 25° · rain 13.98 mm · humidity 91% · wind 3 m/s · clouds 100%

Thursday17 September 2026

🌧️29°light rain

sunrise 05:55 · sunset 18:05 · night 24° · evening 25° · rain 3.3 mm · humidity 70% · wind 4 m/s · clouds 72%

Friday18 September 2026

🌧️28°light rain

sunrise 05:55 · sunset 18:04 · night 25° · evening 26° · rain 1.77 mm · humidity 71% · wind 4 m/s · clouds 97%

Saturday19 September 2026

🌧️29°light rain

sunrise 05:54 · sunset 18:03 · night 25° · evening 26° · rain 3.12 mm · humidity 72% · wind 4 m/s · clouds 29%

UV index in Arima - is it safe to sunbathe?

Today the UV index in Arima 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.

Arima weather through the year

Warmest, driest months on average: January, February, March, December.

Nearby and related places

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FAQ - Arima weather

What is the weather like in Arima today?

Today it is about 31° during the day and 27° at night, a few clouds.

How far ahead can I check the forecast for Arima?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.