A gradual cooling trend is expected to arrive in San Diego County through the middle of next week, the National Weather Service said Saturday.
Increased high cloud cover is likely Tuesday and Wednesday, with a 15% to 25% chance of light rain as an offshoot from Tropical Cyclone Karina, according to the NWS.
The tropical system is forecast to remain well to the south, with gradual warming for the latter half of next week. Night and morning low clouds will be more widespread for the upcoming week, reaching into the western valleys at times, according to forecasters.
Meanwhile, parts of the county were still experiencing a week-long heat wave this weekend. An extreme heat warning for San Diego County deserts, mountains and inland valleys was expected to expire at 8 p.m. Saturday.
Saturday’s high in downtown San Diego was 88 degrees, but was expected to drop to 84 on Sunday and 81 Monday and Tuesday, according to the NWS.
El Cajon reached 97 on Saturday, but was expected to drop to 92 on Sunday and 89 and 88 the following two days.
Borrego Springs was 110 degrees on Saturday, with 106, 103 and 101 forecast for the next few days.
Temperatures were expected to return to near-average by Friday, with the coast in the mid-70s to low 80s. Inland valley temperatures will start the week in the upper 80s, decreasing to about 80 next Friday. Mountain highs will range from the mid-70s to low 80s, and desert highs will begin the week in the low 100s and drop to the mid-to-upper 90s by next weekend, according to forecasters.
