The National Weather Service (NWS) is predicting a heat wave for the San Francisco Bay Area, beginning on Thursday, September 1st through Tuesday, September 6th. Temperatures in the city of San Francisco are expected to reach the 70s and 80s, possibly the low 90s later in the weekend. The Department of Public Health (DPH) will be monitoring temperatures and sharing tips to prevent heat related problems at Level Green of our Extreme Heat Response Plan. Although temperatures are expected to peak sometime Sunday and Monday and then cool later next week, heat distribution varies across the city; the situation will remain fluid as we continue to gather more information.
With recent warming temperatures in the Bay Area, sensitive populations such as elderly, infants, and those without access to air conditioning will likely be susceptible to heat related illnesses. It's important to check on family members, friends, neighbors, staff, and clients to recognize if someone is suffering from heat related symptoms or risks. Call 9-1-1 immediately if you or someone you know is having a medical emergency or showing signs of heat exhaustion or heat stroke.
The following are steps you can take to help reduce the impact of increased temperatures for yourself, your staff, and the community:
- Pull shades down during the day and keep windows open at night.
- Practice and message out “Window Safety” to protect toddlers and small children from falls.
- Drink water to stay hydrated. Avoid drinking alcohol and sugared drinks.
- Never leave children or pets alone in closed vehicles.
- If outdoors, stay in shaded areas and wear light-colored, lightweight clothing and a hat.
- Practice water safety during heat events, particularly in coastal areas.
- Try to arrange for someone to check on you during a heat wave (a relative, a neighbor, a friend).
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For more cooling tips, please visit SF72 Heat Hazard or call 311.
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Multilingual guidance on extreme heat can be found HERE.
Heat waves increase the risk of electrical equipment failure and power outage. If you use medical equipment that requires electricity, identify back up power or charging options. Please note that some back up batteries require authorization from your primary care provider.
Tips for wearing masks during high temperatures
- Choose a cooler material, like cotton.
- Make sure the mask fit is snug, but not too tight— maintain physical distancing, especially if you wear your mask loosely.
- Try masks with adjustable ties to make them more comfortable.
- Bring extra masks so you can swap if one gets sweaty.
