Weather in South San Francisco, United States
Weather Advisories
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Tomorrow's weather summary
The weather in South San Francisco on Saturday, April 20th, is going to be clear for most of the day, with few clouds during the morning.
There is also a chance for cloud overcast before dawn around 12 am.
Weather details for South San Francisco, on Saturday, April 20th:
The highest temperature of the day will be 57°F at about 4 pm. The day will have very high relative humidity, with average humidity of 76%, ranging from 58% to a maximum value of 89% at about 3 am. The wind will be breezy, and will get up to 17 mph at 7 pm, blowing from the north-west. The cloud coverage will range from 1% around 7 pm to as high as 100% around 8 am with an average of 43%.
There is no probability for any precipitation throughout the day. The dew point will range from 41°F up to a maximum value of 47°F around 11 pm.
The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 6:28 am, and sunset at 7:47 pm, making it a total of 13 hours and 19 minutes of daylight.
Air quality forecast for South San Francisco, 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 36 and 49.
Pollen forecast for South San Francisco, 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 no risk.
The weather in South San Francisco on Sunday, April 21st, will be clear throughout the day.
There is also a chance of few clouds before dawn, at about 12 am.
Weather information for South San Francisco, on Sunday, April 21st:
The maximum temperature of the day will be 61°F around 3 pm. The day will have very high relative humidity, with average humidity of 83%, ranging from 76% to a maximum value of 90% at about 11 pm. The wind will be breezy, and will get up to 14 mph at 4 am, blowing from the north-west. The cloud coverage will range from 0% around 6 am to as high as 79% around 1 am with an average of 6%.
There is no probability for any precipitation throughout the day. The dew point will range from 45°F up to a maximum value of 54°F around 4 pm.
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 6:27 am, and sunset at 7:48 pm, making it a total of 13 hours and 21 minutes of daylight.
Air quality forecast for South San Francisco, 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 32 and 41.
Pollen forecast for South San Francisco, 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 no risk.