San Diego's Weather Forecast for Aug. 20, 2021: Cool and cloudy Saturday

Sunny beach
Posted at 5:07 AM, Aug 20, 2021
and last updated 2021-08-20 22:30:19-04

Cool and cloudy conditions will persist through Saturday for areas west of San Diego County mountains. Friday overnight, clouds will build and push inland. Waking up Saturday morning, clouds will dominate and some drizzle could be squeezed out, especially in areas closest to the coast. If any light rain falls, it won't be major, it will likely cap out with just hundredths of an inch possible.

Into early next week, overnight clouds will start to mix faster as daytime highs increase. Gradual warming will begin starting Sunday, continuing through the end of the workweek. By Wednesday, highs jump back up to warmer than normal. This means the lower 80s along the coast and mid-90s for inland valleys and mountains. Desert communities will see significant warming, jumping from right around 100º this weekend to 115º one week from now.

With cooler air filtering in from the Northwest we will notice more smoke in the sky leading to hazy conditions through Saturday. Air quality won't get as bad as NorCal, but the haze might be noticeable. A general rule of thumb with wildfire smoke is if you can smell smoke, be careful and stay indoors.

Saturday's Highs:
Coast: 71-78°
Inland: 76-81°
Mountains: 71-83°
Deserts: 94-102°

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