Winter Storm Warning Boronda, California

Winter alerts in Boronda, newest first, in effect or ended
Alert	State	Severity	Places
Cold Weather AdvisoryEnded Cold conditions with temperatures in the low to mid 30s expected. Issued January 9 Ended January 10, 2026	California	Moderate	185 places Boronda San Jose Santa Rosa Salinas Sunnyvale Santa Clara Concord Antioch Livermore San Ramon and 175 more
Cold Weather AdvisoryEnded Cold conditions with temperatures in the low to mid 30s expected. Issued January 7 Ended January 9, 2026	California	Moderate	183 places Boronda San Jose Santa Rosa Salinas Sunnyvale Santa Clara Concord Antioch Livermore San Ramon and 173 more