Weather in San Mateo County, United States
Weather Advisories
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Tomorrow's weather summary
The weather in San Mateo County on Monday, April 29th, will be clear for most of the day.
Also, there's a high chance of few clouds before dawn, around 12 am.
Weather details for San Mateo County, on Monday, April 29th:
The highest temperature during the day is going to be 53°F around 1 pm. The day will have very high relative humidity, with average humidity of 77%, ranging from 66% to a maximum value of 86% at about 2 am. The wind will be breezy, and will get up to 16 mph at 4 pm, blowing from the north-west. The cloud coverage will range from 1% around 11 pm to as high as 34% around 2 am with an average of 9%.
There is no probability for any precipitation throughout the day. The dew point will range from 39°F up to a maximum value of 42°F around 5 pm.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 6:19 am, and sunset at 7:54 pm. The day will have 13 hours and 35 minutes of daylight.
Air quality forecast for San Mateo County, on Monday, April 29th:
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 33 and 50.
Pollen forecast for San Mateo County, on Monday, April 29th:
Tree pollen on this day is expected to have medium 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 Mateo County on Tuesday, April 30th, will be clear throughout the entire day with no significant change.
Weather details for San Mateo County, on Tuesday, April 30th:
The highest temperature during the day will be 57°F at about 1 pm. The day will have very high relative humidity, with average humidity of 76%, ranging from 57% to a maximum value of 93% at about 5 am. The wind will be breezy, and will get up to 15 mph at 3 pm, blowing from the north-west. The sky will be clear of clouds along the day.
There is no probability for any precipitation throughout the day. The dew point will range from 39°F up to a maximum value of 44°F around 3 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 1018 hPa. Sunrise will be at 6:18 am, and sunset at 7:54 pm. The day will have 13 hours and 36 minutes of daylight.
Air quality forecast for San Mateo County, on Tuesday, April 30th:
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 32 and 44.
Pollen forecast for San Mateo County, on Tuesday, April 30th:
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.