Weather Update: Saturday, June 23, 2018 (12:30 p.m.)
Cooler weekend for the County due to a low pressure trough moving through the Great Basin. Weak and shallow marine layer may still be slow to clear.
A Detailed Look at June 23rd:
Low rip current risk. Water temperature 65-68. Short period west swell, building south swell. Heights 1-3 ft.
High temperatures Saturday will be slightly below average. Coastal highs 65-69, normal around 72. Inland highs 74-79, normal around 78. Mountain highs 83-87, normal around 79. Desert highs 104-110, normal around 104.
Low cloud bases around 1100 ft above sea level at 3 AM Saturday morning, expected to decrease a few hundred feet before sunrise. Weak onshore flow will make clouds difficult to dissipate once again. Clouds expected to scatter inland, linger along the coast this afternoon.
The Week Ahead:
Low pressure will weaken high pressure this weekend, pushing the high eastward as it weakens. This will enhance onshore wind flow in the region. This onshore flow will cool temperatures by several degrees in the inland communities this weekend. Marine layer will also strengthen this weekend, helping cool temperatures and increasing cloud persistence. Limited cloud clearing is expected in the afternoon for the inland areas.
Slight warming is expected for the earlier parts of the coming week as a weak high pressure passes through the region. Temperatures will
Low pressure is bound for the West Coast during the latter part of next week. This will bring cooler temperatures to San Diego County through the next weekend. Night and morning low clouds and fog are possible for coastal to inland areas.