San Francisco Bay Area  –  Mostly clear today through Wednesday except for low clouds near the coast spreading inland nights and mornings. High temperatures in the low to mid 60’s along the coast into the low 80’s in the coastal valleys and into the mid 80’s inland. Low temperatures mostly in the 60’s. Light westerly winds except 10 to 20 knots in the afternoons and evenings near the coast.

Extended Forecast for Central California (Including Napa County south to Monterey and east to the Central Sierras 3 to 7 days (08/22/19-08/26/19- Mostly clear Wednesday night through Monday except patchy low clouds along the coast. High temperatures from the 60’s to low 70’s near the coast into the mid to high 80’s for the coastal valleys and into the mid to high 90’s in the far interior valleys. Low temperatures mostly in the 60’s.

Long Range Weather Outlook Northern and Central California 8 to 15 days (08/27/19 – 09/03/19)   Mostly fair weather with occasional low clouds near the coast at times. Slight chance of showers or thundershowers over the mountains later in the period. Temperatures averaging near to slightly above normal.

Very Long Range Weather Outlook Northern and Central California 16 to 20 days (09/04/19 – 09/07/19)   Mostly fair with low clouds near the coast spreading locally inland at times. Near normal temperatures.

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Northern and Central California  1 to 7 day Forecast Discussion – Skies are mostly clear over Northern and Central California today, except for low clouds near the coast spreading into the coastal valleys nights and mornings.   The marine influence will continue into the middle of the week with slightly below normal temperatures near the coast but a little warmer temperatures will return to inland areas as the marine influence diminishes as high pressure expands from the desert southwest into California.  Temperatures will be seasonal through the weekend with only patchy low clouds along the coast.

Northern and Central California 8 to 15 day extended forecast –  The latest computer models show mainly southerly flow developing over Northern and Central California during much of the period bringing periodic onshore flow into coastal areas producing low clouds near the coast spreading locally inland at times.  This southerly flow may bring a slight chance of afternoon and evening showers or thundershowers over the mountains. Temperatures will be near the slightly above normal during the period.

 Northern and Central California 16 to 20 day extended Forecast – The most recent computer models are showing a trough off the Pacific Northwest coast with southwesterly flow into Northern California with mostly clear skies and low clouds near the coast.  Temperatures will continue near normal.