worldweather26°Cexceptionally warm
usually 23°C–24°C
warmer than 99% of similar days
night: near normal
rain: less rain than usual
wind: exceptionally light
Weather in Port Louis - 14-day forecast
Detailed weather forecast for Port Louis, Mauritius: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Port Louis
today☀️
26°💧 0.1 mm
Sun🌧️
26°💧 0.2 mm
Mon🌧️
26°💧 3.8 mm
Tue🌧️
23°💧 0.6 mm
Wed🌧️
23°💧 0.1 mm
Thu🌧️
23°💧 1.5 mm
Fri🌧️
24°💧 1.2 mm
Sat🌧️
24°💧 0.6 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Port Louis, the forecast high is 26°C. Typical daytime temperatures at this time of year range from 23°C to 24°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
26°Cexceptionally warm
usually 23°C–24°C
warmer than 99% of similar days
night: warmer than usual
rain: less rain than usual
wind: exceptionally light
26°Cexceptionally warm
usually 23°C–24°C
warmer than 99% of similar days
night: near normal
rain: exceptionally wet
wind: lighter than usual
23°Cnear normal
usually 23°C–24°C
night: exceptionally cool
rain: typical rainfall
wind: typical
23°Ccooler than usual
usually 23°C–24°C
cooler than 77% of similar days
night: cooler than usual
rain: less rain than usual
wind: stronger than usual
23°Ccooler than usual
usually 23°C–24°C
cooler than 80% of similar days
night: cooler than usual
rain: more rain than usual
wind: typical
24°Cnear normal
usually 23°C–24°C
night: cooler than usual
rain: more rain than usual
wind: typical
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 5-11 Sept period averaged 24°C by day. The coolest year was 1992 (22°C) and the warmest was 2023 (25°C). The current forecast averages 24°C - higher than in 93% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 Louis
Port Louis 30 & 45-day weather - long-range outlook
Next 16 days · forecast
24°
around 22° at night · days with rain: 5
Weeks 3-4 · avg for September
25°
around 19° at night · rain chance 46%
Weeks 5-7 · avg for October
27°
around 21° at night · rain chance 44%
The 30 & 45-day outlook for Port Louis: the next 16 days are a numerical forecast updated daily - on average 24° by day and 22° at night. Further out we rely on multi-year climate averages: around 25° in September, and about 27° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Port Louis
Saturday5 September 2026
☀️26°clear sky
Sunday6 September 2026
🌧️26°light rain
Monday7 September 2026
🌧️26°light rain
Tuesday8 September 2026
🌧️23°light rain
Wednesday9 September 2026
🌧️23°light rain
Thursday10 September 2026
🌧️23°light rain
Friday11 September 2026
🌧️24°light rain
Saturday12 September 2026
🌧️24°light rain
Sunday13 September 2026
🌧️25°light rain
Monday14 September 2026
🌧️24°light rain
Tuesday15 September 2026
🌧️23°light rain
Wednesday16 September 2026
🌧️24°light rain
Thursday17 September 2026
🌧️24°light rain
Friday18 September 2026
🌧️25°light rain
Saturday19 September 2026
🌧️26°light rain
Sunday20 September 2026
🌧️26°light rain
UV index in Port Louis - is it safe to sunbathe?
Today the UV index in Port Louis 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 - Port Louis
Water today
25°C
Week avg
25°C
Waves today
1.2 m
How's the water?
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 Port Louis
Air quality in Port Louis is currently very good. Fine particulate PM2.5: 9.8 µg/m³, PM10: 15.9 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Port Louis | 9.8 | 15.9 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 05:00).
Port Louis weather through the year
Warmest, driest months on average: May, June, July, August.
Nearby and related places
FAQ - Port Louis weather
What is the weather like in Port Louis today?
Today it is about 26° during the day and 22° at night, clear sky.
How far ahead can I check the forecast for Port Louis?
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.