Nearby locations
San Antonio, Texas, United States
Bexar County, Texas, United States
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Plaza de las Islas, United States
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Weather in San Antonio, United States

82°
Cloudy
Feels like 86°
·
High85°Low72°
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Air quality

Full Details
0
52
500
Air quality:Moderate

Pollen index

Full Details
Tree
2/5
012345
Weed
0/5
012345
Grass
2/5
012345

Tomorrow's weather summary

The weather in San Antonio on Saturday, April 20th, will be cloudy for most of the day, together with many clouds in the early morning.

There is also a chance for drizzle before dawn around 1 am.

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

The maximum temperature of the day is going to be 82°F at about 3 pm. The day will be extremely humid, with average humidity of 81%, ranging from 57% to a maximum value of 95% at about 11 pm. The wind will be breezy, and will get up to 13 mph at 5 am, blowing from the south-east. The cloud coverage will range from 63% around 1 pm to as high as 100% around 11 pm with an average of 95%.

The precipitation probability will change throughout the day between 0% and 45%. The highest chance for precipitation will be around 8 pm and the lowest probability around midnight. The dew point will range from 62°F up to a maximum value of 71°F around 4 pm.

The visibility is expected to be good with average visibility of 8 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 7:02 am, and sunset at 8:02 pm. The day will have 13 hours 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 22 and 44.

Pollen forecast for San Antonio, on Saturday, April 20th:

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.

The weather in San Antonio on Sunday, April 21st, is going to be cloudy for most of the day, with some clouds around noon.

There is also a chance for clear skies during the evening around 7 pm.

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

The maximum temperature of the day is going to be 71°F at about 4 pm. The day will have high relative humidity, with average humidity of 68%, ranging from 54% to a maximum value of 94% at about midnight. The wind will be breezy, and will get up to 18 mph at noon, blowing from the north. The cloud coverage will range from 1% around 8 pm to as high as 100% around 9 am with an average of 67%.

The precipitation probability will change throughout the day between 0% and 25%. The highest chance for precipitation will be around midnight and the lowest probability around 1 am. The dew point will range from 48°F up to a maximum value of 66°F around midnight.

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 7:02 am, and sunset at 8:02 pm, making it a total of 13 hours 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 27 and 42.

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

Tree pollen on this day is expected to have very high 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 37.4°C (99.3°F), and the July 26th is the hottest day on average.
How cold does it get in San Antonio?
The average annual lowest temperature in San Antonio is 3.4°C (38.1°F), and the January 5th 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.