Thursday
Today
High
Friday
Tomorrow
High
Saturday
May 31
High
Sunday
Jun 1
High
Monday
Jun 2
Extreme
Malaria
Zika
Dengue
Yellow Fever
Chikungunya
West Nile Fever
The main mosquito-borne diseases in San Francisco include dengue, chikungunya, and Zika virus.
Use insect repellent, wear protective clothing, and eliminate standing water to reduce mosquito presence.