Heat advisory in effect from noon today to 8 PM PDT this evening...
Today
Sunny with record high temperatures possible. Highs in the upper 70s to mid 90s. Southwest winds around 5 mph...becoming west in the afternoon.
Tonight
Clear in the evening then becoming mostly clear. Lows in the 50s to mid 60s. West winds 5 to 10 mph...becoming south after midnight.
Friday
Mostly sunny. Highs in the 60s to 80s. Southwest winds 5 to 10 mph.
Friday Night
Clear in the evening then patchy low clouds and fog. Lows in the mid 50s to lower 60s. Southwest winds 5 to 15 mph.
Saturday
Patchy low clouds and fog in the morning then mostly sunny. Highs in the lower 60s to mid 70s. Southwest winds around 5 mph increasing to west 10 to 20 mph in the afternoon.
Saturday Night
Mostly clear in the evening then widespread low clouds and fog. Lows in the upper 50s.
Sunday
Areas of low clouds and fog in the morning then mostly sunny. Highs in the lower 60s to mid 70s.
Sunday Night
Mostly clear in the evening then becoming clear. Lows in the mid 50s to lower 60s.
Labor Day through Wednesday
Clear. Highs in the 60s to lower 80s. Lows in the mid 50s to lower 60s.
... Heat advisory remains in effect from noon today to 8 PM PDT this evening...
High temperatures today will range from the mid 80s in downtown San Francisco to near 100 around the Bay with record high temperatures possible. Temperatures will cool into the 70s and 80s on Friday with more significant cooling Saturday.
A heat advisory means that a period of hot temperatures is expected. Hot temperatures will create a situation in which heat illnesses are possible. Drink plenty of fluids... stay in an air- conditioned room... stay out of the sun... and check up on relatives and neighbors.