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Weather in Sao Luis today, August 17

Updated 17.08 at 17:30

+29°

Clear

feels like +30°

6.9 m/s, N-E74%759 mmHg06:0118:03🌙 24%

Weather in Sao Luis now: +29°, clear, wind 6.9 m/s, humidity 74%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.

Now Tomorrow 3 days Week 2 weeks Month 🗄 Archive 📒 Diary 🎣 Fishing 🌊 Water t°

Clear. Now +29°, feels like +30°, wind 6.9 m/s, N-E.

Weather in Sao Luis now

+30°

Feels like

6.9 m/s

Wind, N-E

74%

Humidity

0

UV index

759

Pressure, mmHg

no precip

Precip, mm

06:01

Sunrise

18:03

Sunset · day 12h 2m

Hourly forecast for today in Sao Luis

19:00

+27°

20:00

+27°

21:00

+27°

22:00

+27°

23:00

+27°

00:00

+27°

01:00

+27°

02:00

+27°

03:00

+26°

04:00

+26°

05:00

+26°

06:00

+26°

🌅 sunrise

07:00

+27°

08:00

+28°

09:00

+29°

10:00

+31°

0.7 mm

11:00

+32°

0.3 mm

12:00

+33°

13:00

+33°

0.3 mm

14:00

+33°

0.1 mm

15:00

+31°

16:00

+30°

17:00

+29°

18:00

+28°

🌇 sunset

swipe→

Weather forecast in Sao Luis today 📅

Monday

August 17

+27°+29°

🌬 7 m/s · UV 0

Tuesday

August 18

+26°+33°

💧 8.4 mm · 🌬 9 m/s · UV 11

Wednesday

August 19

+26°+34°

💧 2 mm · 🌬 8 m/s · UV 11

Weekend weather in Sao Luis

Saturday, August 22 · +31° / +27° · Partly cloudy

Sunday, August 23 · +31° / +27° · Showers

Weather for the weather-sensitive

759

Pressure, mmHg · 1 below norm

6.9 m/s

Wind, N-E

74%

Humidity

+30°

Feels like

Kp 3

Magnetic storms · quiet

Magnetic storms — details →

📒 Weather diary in Sao Luis

Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →

What to do in Sao Luis in weather like this 🎯

🏖️Beach

🏊Swimming

🍦Ice cream

🚣SUP or kayak

🎣Fishing

🚴Cycling

🏃A run

🛼Rollerblading

Water temperature in Atlantic Ocean

+30°

Sea · great for swimming

More on water in Sao Luis →

Diver bunny

🌿 Air quality & pollen

0 AQI · good

Air quality →Pollen → 📒 Weather diary →

Air-quality bunny

Fishing in Sao Luis: bite today — 6/10 🎣

Moderate: steady conditions — good to go. Most active is horse mackerel (6/10).

🧭 759 mmHg🌖 day 5🌊 water +30°

Bite forecast →

The Moon today 🌙

Waxing moon

Illumination · 24%

09:38

Moonrise

22:05

Moonset

Lunar calendar →

Weather archive →

Sao Luis, Shtat Maranyan, Brazil. Population 917 237.

Precipitation map 🌧️

Open the full map & radar →

Cities near Sao Luis 📍

San-Luis / im. marshala Kunya Machadu

San-Zhoze-di-Ribamar

FAQ about weather in Sao Luis ❓

What's the weather in Sao Luis right now?

Now +29°, clear, wind 6.9 m/s, N-E, humidity 74%. Feels like +30°.

What's the weather in Sao Luis tomorrow?

Tomorrow: +33° by day, +26° at night, light showers.

Sunrise and sunset in Sao Luis?

Sunrise 06:01, sunset 18:03, day length 12h 2m.

What's the pressure and humidity in Sao Luis?

Pressure 759 mmHg, humidity 74%, wind 7 m/s. Matters for weather-sensitive people.

Do I need an umbrella in Sao Luis today?

No, precipitation is unlikely — you can go out without an umbrella.

Will it be hot in Sao Luis?

Up to +29° by day — hot. Drink more water, avoid the sun from noon to 4 PM, wear light clothes and a hat.

How long is it safe to stay in the sun in Sao Luis?

At UV 0, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.

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Weather in Sao Luis — in detail

Weather in Sao Luis from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.

To quickly check the weather in Sao Luis anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.

Photo Sao Luis: Marcus Guimarães from Nova Friburgo, Brazil / CC BY 2.0 · Wikimedia Commons

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Weather alerts for Sao Luis?

Tomorrow's forecast, storm warnings, frost and heat — every day at 17:00 city time.

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