Weather in South San Francisco, United States
Weather Advisories
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Tomorrow's weather summary
The weather in South San Francisco on Friday, April 26th, will vary throughout the day from foggy condition to clear.
Looks like fog will emerge before dawn and a high probability for clear skies around noon.
Weather information for South San Francisco, on Friday, April 26th:
The maximum temperature during the day will be 57°F at about 1 pm. The day will have very high relative humidity, with average humidity of 82%, ranging from 71% to a maximum value of 88% at about 3 am. The wind will be strong, and will get up to 27 mph at 6 pm, blowing from the west. The cloud coverage will range from 1% around 5 pm to as high as 100% around 10 am with an average of 52%.
There is no probability for any precipitation throughout the day. The dew point will range from 48°F up to a maximum value of 50°F around 3 am.
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 1017 hPa. Sunrise will be at 6:22 am, and sunset at 7:52 pm. The day will have 13 hours and 30 minutes of daylight.
Air quality forecast for South San Francisco, on Friday, April 26th:
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 29 and 32.
Pollen forecast for South San Francisco, on Friday, April 26th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no 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 Saturday, April 27th, will be clear throughout the day, with few clouds around noon.
There is also a chance for cloud overcast around noon around 1 pm.
Weather information for South San Francisco, on Saturday, April 27th:
The highest temperature during the day is going to be 57°F at about 2 pm. The day will have very high relative humidity, with average humidity of 77%, ranging from 68% to a maximum value of 87% at about midnight. The wind will be strong, and will get up to 25 mph at 6 pm, blowing from the west. The cloud coverage will range from 0% around 1 am to as high as 100% around 8 pm with an average of 29%.
There is no probability for any precipitation throughout the day. The dew point will range from 44°F up to a maximum value of 48°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 1018 hPa. Sunrise will be at 6:21 am, and sunset at 7:53 pm, making it a total of 13 hours and 32 minutes of daylight.
Air quality forecast for South San Francisco, on Saturday, April 27th:
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 30 and 52.
Pollen forecast for South San Francisco, on Saturday, April 27th:
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.