An extended heat wave baking the Bay Area is breaking records.
Here's a look at the temperature records that have been broken so far, according to the National Weather Service. Be sure to check back at the end of the day to see if any other records were set.
New temperature records set on Thursday, Sept. 8
Thursday was a record-breaking day for some parts of the Bay Area, with several daily high temperature records. Here's a look at the forecast.
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Location | Temperatures | Previous Record |
| Concord | 111 | 102 in 2021 |
| Livermore | 112 | 110 in 1944 |
| Santa Rosa | 108 | 100 in 2015 |
| San Jose | 104 | 100 in 1904 |
New temperature records set on Wednesday, Sept. 7
There were no new records to report.
New temperature records set on Tuesday, Sept. 6
Tuesday was another record-setting day across the Bay Area. There were several new all-time high temperature records, monthly high temperature records and daily high temperature records that were set, according to the weather service.
The table below lists the all-time high temperature records that were set.
| Location | High Temperature | Previous Record |
| Santa Rosa (COOP) | 115 | 113 in 1913 |
| Napa (COOP) | 114 | 113 in 1961 |
| San Jose | 109 | 108 in 2017 |
Two locations did tie their all-time high temperature marks. Livermore (COOP) topped out at 116 degrees, matching the all-time record which was just set on Monday. Redwood City peaked at 110 degrees, tying the all-time mark from 1972.
The table below lists the monthly high temperature records that were set.
| Location | High Temperature | Previous Record |
| Santa Rosa (COOP) | 115 | 112 in 2022 |
| Napa (COOP) | 114 | 111 in 2020 |
| Redwood City | 110 | 108 in 2020 |
| San Jose | 109 | 108 in 2017 |
| Gilroy | 113 | 112 in 2022 |
Livermore (COOP), which reached 116 degrees, tied its monthly high temperature mark, which was set on Monday.
The table below lists the daily high temperature records that were set.
| Location | High Temperature | Previous Record |
| Santa Rosa (COOP) | 115 | 106 in 1904 |
| Napa (COOP) | 114 | 110 in 2020 |
| Half Moon Bay | 81 | 80 in 2004 |
| Livermore | 116 | 108 in 1950 |
| Redwood City | 110 | 108 in 2020 |
| San Jose Airport | 109 | 105 in 2020 |
| Gilroy | 113 | 112 in 2020 |
New temperature records set on Monday, Sept. 5
Monday was a record-breaking day across the Bay Area, with several daily high temperature records, a monthly high temperature record and an all-time high temperature record falling.
A location in Livermore soared to 116 degrees, breaking that location's all-time record high temperature mark of 115 set back in 1950.
A location in Santa Rosa reached 112 degrees, breaking the previous monthly high temperature mark of 110 set back in 2020, 2017 and 1971. Gilroy peaked at 112 degrees, matching its monthly high temperature record from 2020 and 2017.
The following locations set daily high temperature records:
| Location | High Temperature | Previous Record |
| San Francisco Airport | 97 | 93 in 2004 |
| Oakland Museum | 100 | 95 in 2008 |
| San Jose Airport | 104 | 99 in 2008 |
| Redwood City | 107 | 97 in 1983 |
| Kentfield | 107 | 103 in 1950 |
| Napa (COOP) | 109 | 102 in 2020 |
| Gilroy | 112 | 106 in 2020 |
| Santa Rosa (COOP) | 112 | 101 in 2008 |
| Livermore | 116 | 108 in 1950 |
New temperature records set on Sunday, Sept. 4
Gilroy sizzled at 107 degrees, breaking the old Sept. 4 record of 103 set back in 1998.
