Nearby locations
San Diego County, California, United States
San Diego Country Estates, California, United States
Ballena, California, United States
Nearby popular places
Mount Gower Open Space Preserve, United States
Barona Mesa, United States
Flying T Ranch Airport, United States

Weather in San Diego County, United States

80°
Clear
Feels like 78°
·
High79°Low51°
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Air quality

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0
47
500
Air quality:Good

Pollen index

Full Details
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012345
Weed
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Grass
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Tomorrow's weather summary

The weather in San Diego County on Friday, December 20th, will be clear throughout the day, with fog before dawn.

There is also a chance for cloud overcast during the evening at about 8 pm.

Weather information for San Diego County, on Friday, December 20th:

The maximum temperature during the day will be 71°F at about 1 pm. The day will have comfortable humidity, with average humidity of 53%, ranging from 28% to a maximum value of 90% at about midnight. The wind will be light, and will get up to 5 mph at 1 am, blowing from the west. The cloud coverage will range from 0% around 4 am to as high as 100% around 3 am with an average of 31%.

There is no probability for any precipitation throughout the day. The dew point will range from 32°F up to a maximum value of 48°F around midnight.

The visibility is expected to be good with average visibility of 8 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, making it a total of 10 hours and 13 minutes of daylight.

Air quality forecast for San Diego County, on Friday, December 20th:

On average, the air quality on this day will be unhealthy for sensitive groups, meaning that members of sensitive groups may experience health effects. The general public is less likely to be affected. According to our index, ranging from 0 to 500, the air quality is going to be between values of 78 and 145.

Pollen forecast for San Diego County, 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 Diego County on Saturday, December 21st, will be cloudy throughout the day, together with many clouds in the early morning.

There's seems to be also high probability of some clouds before dawn around 1 am.

Weather information for San Diego County, on Saturday, December 21st:

The highest temperature of the day is going to be 68°F at about 2 pm. The day will have comfortable humidity, with average humidity of 46%, ranging from 32% to a maximum value of 66% at about 1 am. The wind will be calm, and will get up to 5 mph at 3 pm, blowing from the south-west. The cloud coverage will range from 5% around noon to as high as 100% around 11 pm with an average of 67%.

There is no probability for any precipitation throughout the day. The dew point will range from 31°F up to a maximum value of 41°F around 6 pm.

The visibility is expected to be good with average visibility of 11 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 4:58 pm. The day will have 10 hours and 14 minutes of daylight.

Air quality forecast for San Diego County, 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 59 and 129.

Pollen forecast for San Diego County, 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.

FAQ

How warm does it get in San Diego County?
The average annual highest temperature in San Diego County is 33.5°C (92.3°F), and the August 27th is the hottest day on average.
How cold does it get in San Diego County?
The average annual lowest temperature in San Diego County is 3.6°C (38.5°F), and the December 26th is the coldest day on average.
Which month has the most rain in San Diego County?
The wettest months in San Diego County are December and February.