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Widespread fog expected through the morning commute Tuesday

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Posted at 5:33 AM, Aug 25, 2020
and last updated 2020-08-25 10:00:09-04

It will be a foggy start to Tuesday as the marine layer seeps in over the coast and into coastal valley locations. Gradual clearing through late morning is expected over valley locations, but some marine layer north of Point Conception could take some time to clear, making for a partly cloudy afternoon. As onshore flow strengthens, it will keep San Luis Obispo County area beaches a few degrees cooler, compared to the coastline along the South Coast. As a result, a marine statement has been issued for the local coastal waters from northern San Luis Obispo County to Santa Barbara County's south coast. The marine statement will remain in place through this morning as the fog is expected to limit visibility for mariners to about one nautical mile or less (about 1.15 miles).

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Daytime highs are going to be slightly cooler Tuesday for some inland valley locations, like Paso Robles, which is expected to reach 87 degrees. Other cities across the deep interiors, like San Miguel and California Valley will continue to be in the 90s. Coastal Valley locations will range from the mid-70s to the low 80s, and local beaches will be closer to the 60s, with a few beaches, like Pismo Beach and Avila Beach that could reach the low 70s.

As for the northwesterly winds, gusts will range between 15 and 25 miles per hour Tuesday. Offshore flow Tuesday night will actually keep most low clouds to the Central Coast, so it's likely there will be similar conditions Wednesday morning that the Central Coast is experiencing Tuesday.

The Central Coast could experience a slight warm-up across the inland valleys by mid-week as high-pressure shifts over the area Wednesday. Some areas across the deep interiors could get close to the upper 90s Wednesday and Thursday.