A category 2 hurricane brewing off the tip of the Baja California Peninsula is cycling its way northwest but is expected to curve off to the west before bringing any wind or rain to San Diego, NBC 7 meteorologist Dagmar Midcap said.
Hurricane John was moving northwest at about 10 miles per hour Tuesday evening into the cooler waters of the Eastern Pacific Tropical Basin. Midcap said it would briefly upgrade to a Category 3 hurricane before quickly downgrading and disappearing.
Hurricanes need sea surface temperatures of at least 80 degrees to stay active, Midcap said.
San Diego won't miss out on mid and late-week heat and humidity, though.
An excessive heat warning issued Monday expired Tuesday evening.
Midcap forecasted Tuesday night temperatures in the low 70s along the coast, mountain and inland regions with a few clouds above the beaches and clear skies everywhere else. The deserts were expected to reach the low 80s.
High pressure aloft will expand across southern California bringing very hot for inland areas.
NBC 7 weather anchor Ashley Matthews said Campo residents saw record-high heat on Monday when 105 degrees tied a record previously set in 1997.
On Tuesday, Ramona may tie a 1983 record of 101 degrees, she added.
The hottest temperature forecasts for Tuesday were 111 degrees in Borrego and 112 in Ocotillo Wells.
Highs for beach cities were forecasted in the low to mid-80s, and inland areas from Fallbrook to Chula Vista were expected to see temperatures in the high-80s and low-90s.
Temperatures in Escondido, Poway and El Cajon were forecasted in the upper 90s.
Winds are expected to be calm from the west across the county.
The county's official list of "Cool Zones" for 2018 include community centers, recreational centers, libraries, senior centers, and museums.