Weather in Contra Costa County, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Contra Costa County on Wednesday, July 22nd, is going to be clear for most of the day, with cloud overcast before dawn.
There is also a chance for some clouds before dawn around 4 am.
Weather information for Contra Costa County, on Wednesday, July 22nd:
The highest temperature during the day will be 84°F around 1 pm. The day will have very high relative humidity, with average humidity of 70%, ranging from 43% to a maximum value of 90% at about 2 am. The wind will be breezy, and will get up to 13 mph at 6 pm, blowing from the west. The cloud coverage will range from 0% around 6 am to as high as 100% around 10 pm with an average of 34%.
There is no probability for any precipitation throughout the day. The dew point will range from 44°F up to a maximum value of 65°F around midnight.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1015 hPa. Sunrise will be at 6:02 am, and sunset at 8:25 pm, making it a total of 14 hours and 23 minutes of daylight.
Air quality forecast for Contra Costa County, on Wednesday, July 22nd:
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 23 and 54.
Pollen forecast for Contra Costa County, on Wednesday, July 22nd:
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 very low risk.
The weather in Contra Costa County on Thursday, July 23rd, will be clear for most of the day, together with cloud overcast before dawn.
There's seems to be also high probability of fog in the early morning around 6 am.
Weather information for Contra Costa County, on Thursday, July 23rd:
The maximum temperature of the day will be 78°F at about 2 pm. The day will have very high relative humidity, with average humidity of 72%, ranging from 44% to a maximum value of 95% at about 6 am. The wind will be light, and will get up to 10 mph at 11 pm, blowing from the south-west. The cloud coverage will range from 0% around 1 pm to as high as 100% around 4 am with an average of 37%.
There is no probability for any precipitation throughout the day. The dew point will range from 53°F up to a maximum value of 60°F around midnight.
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 1016 hPa. Sunrise will be at 6:03 am, and sunset at 8:24 pm. The day will have 14 hours and 21 minutes of daylight.
Air quality forecast for Contra Costa County, on Thursday, July 23rd:
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 31 and 54.
Pollen forecast for Contra Costa County, on Thursday, July 23rd:
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 very low risk.
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