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Weather in San Marcos, United States

71°
Clear
Feels like 71°
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High72°Low56°
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Air quality

Full Details
0
47
500
Air quality:Good

Pollen index

Full Details
Tree
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Weed
0/5
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Grass
0/5
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Tomorrow's weather summary

The weather in San Marcos on Saturday, May 3rd, will be cloudy for most of the day, together with few clouds around noon.

There is also a chance for some clouds around noon at about 2 pm.

Weather details for San Marcos, on Saturday, May 3rd:

The highest temperature during the day is going to be 69°F at about 2 pm. The day will have very high relative humidity, with average humidity of 71%, ranging from 52% to a maximum value of 85% at about 2 am. The wind will be light, and will get up to 8 mph at 7 am, blowing from the south-east. The cloud coverage will range from 13% around 4 pm to as high as 100% around noon with an average of 69%.

There is no probability for any precipitation throughout the day. The dew point will range from 50°F up to a maximum value of 54°F around 8 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 1013 hPa. Sunrise will be at 6:04 am, and sunset at 7:33 pm. The day will have 13 hours and 29 minutes of daylight.

Air quality forecast for San Marcos, on Saturday, May 3rd:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 62 and 75.

Pollen forecast for San Marcos, on Saturday, May 3rd:

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

The weather in San Marcos on Sunday, May 4th, will be cloudy for most of the day, together with many clouds before dawn.

There's seems to be also high probability of few clouds before dawn around 12 am.

Weather details for San Marcos, on Sunday, May 4th:

The highest temperature of the day will be 68°F at about 1 pm. The day will have high relative humidity, with average humidity of 61%, ranging from 38% to a maximum value of 78% at about 3 am. The wind will be light, and will get up to 8 mph at 3 pm, blowing from the south-west. The cloud coverage will range from 25% around 1 am to as high as 100% around 11 pm with an average of 75%.

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 42°F up to a maximum value of 49°F around 11 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be low with average pressure of 1007 hPa. Sunrise will be at 6:03 am, and sunset at 7:34 pm, making it a total of 13 hours and 31 minutes of daylight.

Air quality forecast for San Marcos, on Sunday, May 4th:

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 63.

Pollen forecast for San Marcos, on Sunday, May 4th:

Tree pollen on this day is expected to have risk. There's risk of weed pollen, and as for grass pollen, this day is expected to have risk.

FAQ

How warm does it get in San Marcos?
The average annual highest temperature in San Marcos is 31.0°C (87.8°F), and the August 27th is the hottest day on average.
How cold does it get in San Marcos?
The average annual lowest temperature in San Marcos is 6.2°C (43.2°F), and the January 1st is the coldest day on average.
Which month has the most rain in San Marcos?
The wettest months in San Marcos are December and February.