It’s 7 a.m. and 55°, headed to 58°. There will be light showers throughout the first day of spring, so don’t put those rain boots away just yet. Find more details are here.

Mayor Ed Lee and the Board of Supervisors are sponsoring legislation to mandate seismic updates to the city’s buildings, reports the Chronicle. The work could cost from $60,000 to $130,000 per building, but would guarantee the safety of thousands of residents. While the Board of Supervisors is largely in favor of the legislation, tenants rights activists claim it could raise rents. The Board will vote next Monday.

The American Freedom Defense Initiative is adding a new campaign to its controversial ads on Muni buses, according to the Examiner. The group has come under fire for the anti-Islamic messages in its ads; this time the messages will be targeted to San Francisco’s gay community. Muni can’t refuse the ads because of First Amendment protections, but will likely donate the revenue from the campaign to the San Francisco Human Rights Commission.

Wise Sons Jewish Delicatessen is featured in today’s Boston Globe. Check out the article, which chronicles the history of this Mission restaurant.