Weather in São Sebastião, Portugal
Weather Advisories
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Today's weather summary
The weather in São Sebastião on Saturday, April 20th, is going to be mostly clear throughout the day, together with cloud overcast during the evening.
There is also a chance for clear skies before dawn around 12 am.
Weather details for São Sebastião, on Saturday, April 20th:
The highest temperature of the day will be 64°F at about 11 pm. The day will have very high relative humidity, with average humidity of 84%, ranging from 74% to a maximum value of 90% at about 8 am. The wind will be breezy, and will get up to 15 mph at 3 am, blowing from the north-west. The cloud coverage will range from 2% around 3 pm to as high as 100% around 9 pm with an average of 41%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 1 pm and the lowest probability around midnight. The dew point will range from 55°F up to a maximum value of 59°F around 3 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 7:00 am, and sunset at 8:17 pm. The day will have 13 hours and 17 minutes of daylight.
Air quality forecast for São Sebastião, on Saturday, April 20th:
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 38 and 46.
Pollen forecast for São Sebastião, on Saturday, April 20th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in São Sebastião on Sunday, April 21st, will be cloudy throughout the day, together with few clouds during the morning.
There's seems to be also high probability of some clouds in the early morning at about 7 am.
Weather information for São Sebastião, on Sunday, April 21st:
The highest temperature during the day will be 65°F around 7 pm. The day will have very high relative humidity, with average humidity of 78%, ranging from 72% to a maximum value of 83% at about 2 am. The wind will be light, and will get up to 9 mph at 1 am, blowing from the west. The cloud coverage will range from 2% around noon to as high as 100% around 3 am with an average of 71%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 8 am and the lowest probability around 2 am. The dew point will range from 56°F up to a maximum value of 57°F around 7 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 1017 hPa. Sunrise will be at 6:59 am, and sunset at 8:18 pm. The day will have 13 hours and 19 minutes of daylight.
Air quality forecast for São Sebastião, on Sunday, April 21st:
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 38 and 45.
Pollen forecast for São Sebastião, on Sunday, April 21st:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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