worldweatherTemperatures this week
28-29°CAverage forecast high: 28°C. Historical reference for these dates: 29°C.
Weather in Trincomalee - 14-day forecast
Forecast updated: Tuesday 3 NovemberWeather history: NASA POWER · 1981-2025
Weather in the coming days
What will the week bring? Trincomalee
3 November Trincomalee: the high will be about 28°C and the low 26°C. Moderate rainfall - around 6.5 mm. 4 November it will be similarly warm: with a high of about 29°C.
28°C
maximum on Tue 3 Nov
Temperature, rainfall and historical comparison
Weather forecast compared with previous years
Choose a day to see the details. Temperatures show the daily high and low.
Forecast: daily highTypical range 1991-2020
Selected day in detail
Tuesday 3 November
Daily high28°CUsually 28-30°C
Daily low26°CColdest part of the day
Rainfall total6.5 mmModerate rainfall
Maximum wind speed17 km/hForecast wind speed
Within the usual range. The historical comparison uses daily highs at this time of year. The daily rainfall total shows the amount of rain forecast across the full day.
Full day-by-day forecast - table
| Date | Max. / min. | Rain | Typical daily high | Max. wind |
|---|---|---|---|---|
| Tuesday 3 November | 28° / 26° | 6.5 mm | 28-30°C | 17 km/h |
| Wednesday 4 November | 29° / 26° | 6.7 mm | 28-30°C | 15 km/h |
| Thursday 5 November | 28° / 28° | 3.9 mm | 28-30°C | 16 km/h |
| Friday 6 November | 28° / 28° | 5.3 mm | 28-30°C | 14 km/h |
| Saturday 7 November | 28° / 27° | 6.8 mm | 28-30°C | 16 km/h |
| Sunday 8 November | 28° / 27° | 5.3 mm | 28-30°C | 16 km/h |
| Monday 9 November | 28° / 27° | 15.9 mm | 28-30°C | 18 km/h |
| Tuesday 10 November | 28° / 27° | 4.1 mm | 28-30°C | 16 km/h |
| Wednesday 11 November | 28° / 27° | 19.9 mm | 28-29°C | 20 km/h |
| Thursday 12 November | 28° / 27° | 30.6 mm | 28-29°C | 18 km/h |
| Friday 13 November | 28° / 26° | 25.4 mm | 28-29°C | 23 km/h |
| Saturday 14 November | 28° / 26° | 13.7 mm | 28-29°C | 19 km/h |
| Sunday 15 November | 26° / 24° | 137.6 mm | 28-29°C | 20 km/h |
| Monday 16 November | 25° / 24° | 5.2 mm | 28-29°C | 32 km/h |
What stands out this week?
Temperature changes
No sharp coolingThe first 7 forecast days show no day-to-day drop of 3°C or more in the high.
Will it rain?
7 days with rain ≥1 mm7-day total: 50.3 mm. Across 45 historical seasons, the typical range for the same dates was 30-111 mm.
This summary covers the first 7 forecast days. A rainy day has at least 1 mm of rain. The historical comparison shows how often such days occurred in previous years.
Weather history 1981-2025
NASA POWERThe same week in previous years
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 3-9 Nov period averaged 29°C by day. The coolest year was 1985 (27°C) and the warmest was 1996 (31°C). The current forecast averages 28°C - close to the historical median.
How do we compare the forecast with history?
The forecast chart band shows the 20th-80th percentiles of NASA POWER daily highs from 1991-2020, using the date and a ±7-calendar-day window. The line shows the forecast daily high. The year-by-year chart compares average highs over the same seven dates.
NASA POWER (MERRA-2) data describe conditions in the grid cell covering the location. Elevation and local conditions can affect the comparison.
NASA POWER source and methodologyPlan your trip
Partner offersTravel offers: Trincomalee
What else should you know before travelling?
What weather is typical in the following weeks?
For dates beyond the 14-day forecast, we show typical conditions based on historical data.
Tue 17 Nov - Mon 30 Nov28°C / 26°Cusual daily high / low
Tue 1 Dec - Thu 17 Dec28°C / 25°Cusual daily high / low
Average of the daily medians for the following dates from 1991-2020. A comparison based on historical data.
Downloadable forecast graphic
Detailed weather forecast for Trincomalee, Sri Lanka: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
UV index in Trincomalee - is it safe to sunbathe?
Today the UV index in Trincomalee is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Sea temperature - Trincomalee
Water today
30°C
Week avg
30°C
Waves today
0.2 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Trincomalee
Air quality in Trincomalee is currently very good. Fine particulate PM2.5: 7.7 µg/m³, PM10: 8.2 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Trincomalee | 7.7 | 8.2 | very good |
CAMS air-quality model data provided by Open-Meteo, updated daily. Colours represent PM2.5 concentration bands. Data time: 2026-11-03 07:30.
Trincomalee weather through the year
| Month | Average high | Average low | Days with ≥1 mm precipitation |
|---|---|---|---|
| January | 27.5°C | 24.4°C | 35.7% |
| February | 28.5°C | 24.5°C | 25.4% |
| March | 30.3°C | 25.5°C | 27.9% |
| April | 31.7°C | 26.8°C | 52.7% |
| May | 32.2°C | 27°C | 38.9% |
| June | 32°C | 26.5°C | 19% |
| July | 32°C | 26.2°C | 23.1% |
| August | 32.2°C | 26.1°C | 29.9% |
| September | 32°C | 26°C | 39.6% |
| October | 30.4°C | 25.8°C | 68.5% |
| November | 28.5°C | 25.6°C | 75.5% |
| December | 27.7°C | 25°C | 59.6% |
Based on NASA POWER historical data from 1981–2025. Temperatures are averages of daily highs and lows; precipitation is the share of days with at least 1 mm. Each month includes at least 45 years of data. Gridded data for the area around this location.
Upcoming public holidays in Sri Lanka: Deepavali — 8 November · Il Full Moon Poya Day — 24 November · Unduvap Full Moon Poya Day — 23 December. Full calendar and travel notes
Nearby and related places
Weather and travel dates: Trincomalee
Based on NASA POWER historical data from 1981–2025. Temperatures are averages of daily highs and lows; precipitation is the share of days with at least 1 mm. Each month includes at least 45 years of data. Gridded data for the area around this location.
Warmest months
May · August
Average high: 32.2°C
Coolest months
January
Average high: 27.5°C
Lowest share of days with precipitation
June
Days with ≥1 mm precipitation: 19%
Before you travel
Check the forecast daytime and nighttime temperatures, precipitation and current warnings. Use them to choose clothing and plan outdoor activities.
Official travel information
Select your destination on the government website and check the latest advice. Entry requirements depend on factors including citizenship and the purpose of your trip.
FAQ - Trincomalee weather
What will the weather be like today and tomorrow?
3 November Trincomalee: the high will be about 28°C and the low 26°C. Moderate rainfall - around 6.5 mm. 4 November it will be similarly warm: with a high of about 29°C.
Will it rain in the coming days?
7-day total: 50.3 mm. Across 45 historical seasons, the typical range for the same dates was 30-111 mm.
What does the typical range on the chart mean?
It is the range between the 20th and 80th percentiles of NASA POWER daily highs from 1991-2020 for this time of year.
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Sri Lanka public holidays 2026 and 2027
Choose a holiday, connect it with a weekend and compare cities. Explore temperatures, rainfall and the surrounding days using NASA POWER weather history.
Weather for holidays and long weekendsFull public-holiday calendar