PLEASANTON (CBS SF) – For the first time this summer season, the thermometer will hit or exceed 100 degrees in many places Thursday. Here is a look at what we are forecasting as the hottest cities around the Bay Area!  You will notice the heat is primarily focused on the East and North Bay.

100 Concord

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100 Clayton

100 Walnut Creek

100 Dublin

100 Moraga

101 San Ramon

102 Pleasanton

102 Livermore

102 Danville

102 Alamo

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102 Blackhawk

102 Antioch

102 Tracy

102 Cloverdale

103 Brentwood

103 Mountain House

103 Oakley

103 Discovery Bay

105 Ukiah

Remember to hydrate, use sunblock and avoid prolong periods of sitting in the sun today! Please be mindful of the young, elderly and of course, our furry friends!

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Get an hour-by-hour forecast for your zip code at cbsSF.com/weather