Weather Update: Friday, October 19, 2018 (6:00 a.m.)
Warm and dry conditions are expected to last through Saturday. Gusty northeast winds in the mountains and valleys are expected to increase the risk of fire danger in the region.
A Detailed Look at October 19th:
Moderate rip current risk. Water temperature 64-67. Surf 3-5 ft. Southwest swell continues. UV index for San Diego is moderate.
High temperatures Thursday warm, above normal. Coastal highs 76-81, normal around 73. Inland highs 80-86, normal around 81. Mountain highs 67-75, normal around 70. Desert highs 82-85, normal around 90.
Friday humidity remains fairly dry. Early morning dew points throughout the county do not exceed 40 degrees further from the coast. Weaker offshore winds will allow for moist marine air to move onshore.
Clear skies are expected throughout the day Friday. Based on Thursday night observations, atmosphere at around 8000 ft is seeing an increase in humidity with relative humidity levels around 50%, while most of the atmosphere is still below 30%.
The Week Ahead:
An upper level low will linger around the Southwestern U.S. through the end of the week. The low will move further north, into Utah as it weakens Friday, weakening offshore flow.
High pressure will be the dominating factor of the weather pattern through the week. The aforementioned low being cut-off and blocked the high. The high will slowly move eastward from the Pacific coast, helping temperature raise in the western region.
Low pressure forming over the Pacific will bring an increase in moisture to Southern California over the weekend. Temperatures will begin to cool from this system during the latter part of the weekend. This system is not expected to bring much rain to San Diego at this time. The bulk of the rain will be to the north and northeast.
Gusty winds in the mountains and valleys expected to increase fire dangerMore>>