Weather in São Luís, Brazil
Weather Advisories
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Tomorrow's weather summary
The weather in São Luís on Friday, May 17th, is going to be cloudy for most of the day, together with light rain during the morning.
There is also a chance for few clouds before dawn around 12 am.
Weather details for São Luís, on Friday, May 17th:
The maximum temperature of the day will be 90°F at about 3 pm. The day will be extremely humid, with average humidity of 84%, ranging from 58% to a maximum value of 95% at about 10 pm. The wind will be light, and will get up to 5 mph at 4 pm, blowing from the south. The cloud coverage will range from 16% around 2 am to as high as 97% around 2 pm with an average of 81%.
The precipitation probability will change throughout the day between 0% and 75%. The highest chance for precipitation will be around 8 pm and the lowest probability around midnight. The dew point will range from 73°F up to a maximum value of 77°F around 9 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1011 hPa. Sunrise will be at 5:59 am, and sunset at 5:57 pm, making it a total of 11 hours and 58 minutes of daylight.
Air quality forecast for São Luís, on Friday, May 17th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 20 and 23.
Pollen forecast for São Luís, on Friday, May 17th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in São Luís on Saturday, May 18th, will be cloudy throughout the day, together with light rain before dawn.
There's seems to be also high probability of moderate rain before dawn around 4 am, and also many clouds during the night around 11 pm.
Weather information for São Luís, on Saturday, May 18th:
The highest temperature during the day will be 84°F at about 4 pm. The day will be extremely humid, with average humidity of 91%, ranging from 72% to a maximum value of 98% at about 4 am. The wind will be light, and will get up to 7 mph at 3 am, blowing from the east. The cloud coverage will range from 70% around 11 pm to as high as 100% around 2 pm with an average of 95%.
The precipitation probability will change throughout the day between 0% and 65%. The highest chance for precipitation will be around 2 am and the lowest probability around 9 am. The dew point will range from 73°F up to a maximum value of 76°F around 5 pm.
The visibility is expected to be good with average visibility of 13 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 5:59 am, and sunset at 5:57 pm. The day will have 11 hours and 58 minutes of daylight.
Air quality forecast for São Luís, on Saturday, May 18th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 22 and 22.
Pollen forecast for São Luís, on Saturday, May 18th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.