Weather in San Onofre, United States
Weather Advisories
in the data behind our forecast?
Today's weather summary
The weather in San Onofre on Friday, December 20th, will vary throughout the day from foggy weather to clear.
According to our models fog will appear before dawn and there is a high chance for clear skies around noon.
Weather information for San Onofre, on Friday, December 20th:
The highest temperature during the day is going to be 64°F at about 1 pm. The day will have very high relative humidity, with average humidity of 82%, ranging from 61% to a maximum value of 98% at about 6 am. The wind will be light, and will get up to 7 mph at 4 pm, blowing from the west. The cloud coverage will range from 4% around 11 am to as high as 100% around 11 pm with an average of 58%.
There is no probability for any precipitation throughout the day. The dew point will range from 44°F up to a maximum value of 50°F around noon.
The visibility is expected to be fair with average visibility of 6 mi throughout the day. Atmospheric pressure will be high with average pressure of 1021 hPa. Sunrise will be at 6:44 am, and sunset at 4:57 pm. The day will have 10 hours and 13 minutes of daylight.
Air quality forecast for San Onofre, on Friday, December 20th:
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 70 and 108.
Pollen forecast for San Onofre, on Friday, December 20th:
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 San Onofre on Saturday, December 21st, is going to be cloudy for most of the day, with fog before dawn.
There is also a chance for clear skies in the afternoon around 3 pm.
Weather information for San Onofre, on Saturday, December 21st:
The maximum temperature of the day is going to be 61°F around 3 pm. The day will have very high relative humidity, with average humidity of 82%, ranging from 61% to a maximum value of 91% at about 10 pm. The wind will be light, and will get up to 7 mph at 5 pm, blowing from the west. The cloud coverage will range from 2% around 4 pm to as high as 100% around 11 pm with an average of 81%.
There is no probability for any precipitation throughout the day. The dew point will range from 47°F up to a maximum value of 51°F around 8 pm.
The visibility is expected to be fair with average visibility of 6 mi throughout the day. Atmospheric pressure will be high with average pressure of 1022 hPa. Sunrise will be at 6:44 am, and sunset at 4:58 pm, making it a total of 10 hours and 14 minutes of daylight.
Air quality forecast for San Onofre, on Saturday, December 21st:
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 55 and 128.
Pollen forecast for San Onofre, on Saturday, December 21st:
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.