Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
The strong upper-level high pressure system that produced record high temperatures across many California locations this past weekend will start to weaken Monday.
Monday’s maximum temperatures are expected to hit 101 degrees in Paso Robles, while San Luis Obispo will reach 86. High temperatures along the beaches will mostly remain in the 70s.
Persistent northwesterly (onshore) winds will continue to blow from the Pacific Ocean through next Monday. This condition will allow marine low clouds with areas of fog to develop during the night and morning hours along the coastal regions. The greater amount of marine influence will produce a gradual cooling trend that will start Monday and continue through next weekend.
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Monday’s 3- to 5-foot northwesterly (300-degree, deep-water) swell (with a 7- to 11-second period) will continue at this height and period through Wednesday, becoming a 3- to 5-foot northwesterly (310-degree, deep-water) sea and swell (with a 4- to 10-second period) Thursday into next Monday.
The long-range charts and models are advertising two typhoons developing southeast of Japan. One of the cyclones (Atsani) is forecast to become extratropical as it moves north. If the models verify, a long-period northwesterly swell train could arrive along our coastline around Aug. 26 and will continue through the first few days of September.
Seawater temperatures will range between 56 and 60 degrees through Monday. Seawater temperatures will gradually increase to 57 and 63 degrees Tuesday into Wednesday, decreasing Thursday through next Monday.
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At PG&E, your safety is our first concern. If your vehicle comes in contact with a downed power line, stay inside. The safest place is in your car; the ground around your car may be energized. Warn others to stay away. Anyone who touches the equipment or ground around the vehicle may be injured. Call 911 as soon as possible.