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Hot weather continues with skies of smoke and haze

Posted at 4:15 PM, Aug 18, 2020
and last updated 2020-08-18 21:08:58-04

Forecast is still holding for Wednesday to be another hot day for the Central Coast interior and coastal valleys with some limited relief found at some beaches.

A small thin marine layer was enough again today to produce significant relief at beach communities while locations away from the beaches again struggled with record or near record daily highs.

It is early but looks like the all-time high in Paso Robles of 115 is safe, the preliminary high is 111, enough for a daily record but not an all-time record. 3 is an average daily high for Paso Robles.

The SLO-Cal Poly station is showing 112 so far (some equipment is reading even higher), it'll be interesting to see what the report comes in at later today. 94 is the record today from 1962, 80 is average.

Some onshore flow at beaches kept them cool today but modeling is showing offshore flow overnight into Wednesday which could produce warmer temps tomorrow.

With heat and humidity some thunderstorm activity is taking place at higher elevations around the state and even close to home with the SLO/SB/Kern/Ventura county lines are active this afternoon. Most of this activity will stay in rural areas but the Cuyama Valley needs to be aware into the evening.

There is a lot of haze from local and Monterey county fires which have reduced air quality. The advisories for heat are unchanged into Thursday.
Looks like a small cooling trend begins Thursday into next week, but still temps for many still running above average.

More subtropical moisture could reach the Central Coast later this weekend as Hurricane Genevieve moves northwestward along the Baja California coastline.