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Weather in San Antonio, United States

81°
Mostly clear
Feels like 84°
·
High80°Low74°
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Air quality

Full Details
0
35
500
Air quality:Good

Pollen index

Full Details
Tree
1/5
012345
Weed
0/5
012345
Grass
1/5
012345

Tomorrow's weather summary

The weather in San Antonio on Saturday, April 20th, is going to be mostly clear for most of the day, with clear skies during the morning.

There is also a chance for some clouds before dawn around 4 am.

Weather details for San Antonio, on Saturday, April 20th:

The highest temperature during the day will be 86°F around noon. The day will be extremely humid, with average humidity of 77%, ranging from 58% to a maximum value of 92% at about 3 am. The wind will be light, and will get up to 6 mph at 6 pm, blowing from the north-east. The cloud coverage will range from 10% around 11 pm to as high as 96% around noon with an average of 37%.

The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 1 pm and the lowest probability around midnight. The dew point will range from 68°F up to a maximum value of 70°F around 4 pm.

The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1015 hPa. Sunrise will be at 6:05 am, and sunset at 6:41 pm. The day will have 12 hours and 36 minutes of daylight.

Air quality forecast for San Antonio, 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 18 and 30.

Pollen forecast for San Antonio, 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 San Antonio on Sunday, April 21st, will change throughout the day from raining lightly condition to clear, with drizzle during the day, as well as cloud overcast.

According to our models light rain will emerge around noon and there is a high chance for clear skies before dawn.

Weather details for San Antonio, on Sunday, April 21st:

The highest temperature during the day is going to be 86°F at about noon. The day will be extremely humid, with average humidity of 75%, ranging from 59% to a maximum value of 89% at about 5 am. The wind will be light, and will get up to 9 mph at 2 pm, blowing from the east. The cloud coverage will range from 5% around midnight to as high as 87% around 5 pm with an average of 46%.

The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 3 pm and the lowest probability around midnight. The dew point will range from 68°F up to a maximum value of 70°F around 3 pm.

The visibility is expected to be good with average visibility of 11 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1015 hPa. Sunrise will be at 6:04 am, and sunset at 6:42 pm, making it a total of 12 hours and 38 minutes of daylight.

Air quality forecast for San Antonio, 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 19 and 25.

Pollen forecast for San Antonio, on Sunday, April 21st:

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.

FAQ

How warm does it get in San Antonio?
The average annual highest temperature in San Antonio is 29.8°C (85.6°F), and the August 3rd is the hottest day on average.
How cold does it get in San Antonio?
The average annual lowest temperature in San Antonio is 22.4°C (72.3°F), and the February 13th is the coldest day on average.
Which month has the most rain in San Antonio?
The wettest months in San Antonio are May and September.