As dusted echoes of fireworks settle from the festivities of July 4th, San Diegans should brace themselves for rising temperatures in the coming week. According to the National Weather Service (NWS) San Diego, the region is gearing up for "the first very notable heat wave of the Summer next week," with high temperatures set to trend substantially upwards by mid-next week.
In the short term, however, locals can expect a slight temperature dip today, offering a mild reprieve from the heat. As per the NWS report obtained by the Area Forecast Discussion, warmer conditions will return for Friday and Saturday, with "Saturday high temperatures around average at lower elevations and around 5 degrees below average for mountain elevations above 6000 feet." Despite the slight cooldown, coming with a faster-moving low-pressure system, the marine layer, inviting night and morning coastal low clouds, won't push as far into the valleys, gradually becoming shallower.
The long-term forecast from the NWS points to a steady climb in temperatures. "Not much change in high temperatures or slight warming for inland areas on Sunday and Monday," the National Weather Service states, hinting at a more prominent rise in heat as the week progresses. Indeed, high pressure over the interior southwestern states and dry conditions will result in high temperatures on Wednesday, 5 to 10 degrees above average for inland areas.
While San Diegans prepare for the heat, beachgoers should exercise caution due to expected elevated surf conditions. Beginning Thursday and persisting through Saturday, southerly swell could produce 3-5 ft waves with sets up to 6 ft, along with strong rip and longshore currents. The NWS issued a Beach Hazards Statement, effective 11 AM PDT this morning through Saturday evening, for Orange County and San Diego County coastal areas. While setting the stage for potentially hazardous conditions, the swell and surf will begin to lower on Sunday, according to the NWS advisory.
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