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East Contra Costa Weather Rundown

by ECT

Rather than hit everyone with 5 or 6 different posts with weather related information, here is a single article with a summary of everything. Enjoy the heat and stay cool.

The National Weather Services said the hottest temperatures are expected Monday and Tuesday. While temps are expected to decrease slightly on Wednesday, it will still be hot. Temps then increase again on Thursday. Therefore the Heat Warnings and Advisories have been extended until Thursday at 8 PM PDT.

EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT THURSDAY

  • WHAT…Dangerously hot conditions with temperatures up to 115 expected.
  • WHERE…Interior portions of the San Francisco Bay Area including the North Bay, East Bay and Santa Clara valleys.
  • WHEN…Until 8 PM PDT Thursday.
  • IMPACTS…Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.
  • ADDITIONAL DETAILS…The hottest temperatures will occur across the region`s interior and in the higher terrain each afternoon with mild to warm overnight temperatures providing little relief from the heat.

For the sixth straight day, a statewide flex alert has been issued for Monday  between 4:00 pm to 10:00 pm. The state also announced it was likely to see grid challenges for Monday and Tuesday.

Brentwood Closes Family Aquatic Complex Due to Excessive Heat 

The City of Brentwood announced for the health and safety of our staff and patrons, the Brentwood Family Aquatic Complex will be closed Sunday, September 4 through Tuesday, September 6 due to the excessive heat forecasted on those days. The Brentwood Community Center, located at 35 Oak Street, will be open as a Cooling Center Saturday through Tuesday from 11:00am-6:00pm for those needing to escape the heat.

Antioch Pool to Remain Open

The City of Antioch confirmed Saturday afternoon that the Antioch Water Park will be open all weekend as scheduled. The General Admission season ends after Labor Day. The Antioch Water Park will be open all weekend as scheduled.

East Bay Regional Parks Closed Due to High Fire Danger

The National Weather Service has issued an Excessive Heat Warning for inland East Bay areas and an Excessive Heat Watch for coastal and bayside areas on Thursday, September 1, 2022, through the Labor Day Weekend. Per the order of the East Bay Regional Park District’s Fire Chief, due to possible high fire risk, the Park District will be closing the following parks/areas beginning Sunday, Sept 4 thru Monday, Sept 5:Full List, click here.

Los Vaqueros Closure Due to Possible High Fire Risk

The Los Vaqueros Watershed will be closed on Sunday, September 4, and Monday, September 5, due to excessive heat and the potential for extreme fire danger. The National Weather Service has issued an Excessive Heat Warning for the inland East Bay forecasting temperatures of 110 in Brentwood. Stay safe!

Cooling Centers

Places to Cool Off:

Employment and Human Services 
40 Douglas Drive, Martinez
Days/Hours: Sunday and Monday, September 4 & 5, from 11 am to 6 pm
We encourage the use of face coverings and will provide to anyone who needs them. Water and light snacks are available. No pets except for service animals.

Contra Costa County Library
The Contra Costa County Library has 21 branches available as places to cool: Antioch, Prewett in Antioch, Bay Point, Brentwood, Clayton, Danville, El Sobrante, Hercules, Lafayette, Martinez, Moraga, Oakley, Orinda, Pinole, Pittsburg, Pleasant Hill, San Pablo, Dougherty Station in San Ramon, San Ramon, Walnut Creek and Ygnacio Valley in Walnut Creek.

*The Concord Library is currently closed for roof repairs. During the heat wave, the above libraries will be open regular hours on Thursday, 9/1, Friday, 9/2, Saturday, 9/3, and Tuesday, 9/6. All Contra Costa County Library branches are closed on Sunday, 9/4, and Monday, 9/5. See locations and hours of operation, or call 1-800-984-4636 for assistance. Face coverings are recommended.

Additional Locations: 

  • Brentwood Community Center, 35 Oak Street, Brentwood, (925) 516-5444
    Open Saturday, September 3, to Tuesday, September 6, 11 am to 6 pm
  • Concord Senior Center, 2727 Parkside Circle, Concord. Open 9 am to 4 pm on Friday, September 2. Hours will be extended until 7 pm if temperatures remain above 100 degrees. Also open 12 pm to 7 pm Saturday, September, 3, to Monday September, 5.
  • The City of Pittsburg is offering a cooling center if the temperature maintains 104 degrees or higher:
    Pittsburg Senior Center, 300 Presidio Lane, Pittsburg
    Potential hours of operation: Saturday, September 3, and Sunday, September 4, 12:30 pm to 7 pm. Please call (925) 252-4890 for more information.
  • The City of Pittsburg is also encouraging the community to utilize the Buchanan Swim Center. The pool is located at 4150 Harbor Street and is open on weekends from 12 pm to 5 pm. Contact (925) 439-4841 for more information.
  • Pleasant Hill Recreation & Park District 
    Pleasant Hill Senior Center
    233 Gregory Lane, Pleasant Hill
    Hours: Saturday, Sunday, and Monday 2 pm – 7 pm.
    (Masks required)
  • The City of Walnut Creek will offer a cooling center (all are welcome) if the temperature reaches 95 degrees.
    Tice Gym, 2055 Tice Valley Blvd., Walnut Creek
    Hours: Monday-Friday 9 am – 8 pm, Saturday, September 3, 7 am – 10:30 pm, and Sunday, September 4, 12 pm – 7 pm.
    Individuals with animals are welcome at Tice Gym provided their animal can safely remain in a pet carrier or kennel. If you don’t have a kennel, multiple kennels for use will be available when you come.

See senior and community center locations in the County in Tips and Places to Cool (PDF). Vea Lugares para Refrescarse y Consejos (PDF),

The County Employment & Human Services Department (EHSD) offers the following places to cool on Tuesday, September 6, from 8 am to 5 pm. Water and light snacks will be available.

  • Brentwood             151 Sand Creek Road
  • Martinez                 40 Douglas Drive
  • Richmond              1305 Macdonald Avenue

You can also go to locations in the Bay Area with cooler temperatures or other locations with air conditioning. If you plan to visit the beach, exercise caution as there may be riptides. Practice water safety, including wearing life vests when swimming or boating.

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