San Francisco Bay Area Forecast 1 to 2 days (05/08/21-05/09/21)–  Mostly clear today through Sunday. High temperatures in the low 60’s to low 70’s near the coast into the low 80’s to high 80’s inland. Lows temperatures in the 40’s to low 50’s. Light winds increasing to westerly 10 to 20 knots with stronger gusts in the afternoons.

Extended Forecast for Central California (Including Napa County south along the Big Sur Coastline and east to the Central Sierras 3 to 7 days (05/10/21-05/14/21– Mostly clear weather Sunday night through Friday, except for patchy low clouds near the coast Wednesday night through Friday. High temperatures mostly in the low 60’s to low 80’s coastal valleys into the low 90’s in the far inland valleys Sunday through Wednesday cooling on Thursday. Low tempratures mostly in the high 40’s to low 50’s.

Long Range Weather Outlook Northern and Central California 8 to 15 days (05/15/21 – 5/22/21)–Partly cloudy at times along the coast otherwise mostly fair during most of the period, except partly cloudy in the north and over the Sierras with a slight chance of showers in the north later in the period. Normal temperautres during the period

Very Long Range Weather Outlook Northern and Central California 16 to 20 days (05/23/21 – 05/26/21) – Mostly fair weather, except partly cloudy with a slight chance of showers in the north later in the period. Temperatures averaging near normal.

Northern and Central California 1 to 7 day forecast – Skies are mostly clear over Northern and Central California this morning as high pressure rebuilds over California over the weekend with warmer temperatures into the middle of next week then cooling late in the week as several minor troughs move through Northern California and increase the onshore flow.

Northern and Central California 8 to 15 day extended forecast –   The most recent computer models show a continued jet stream into the Pacific Northwest with precipitation mainly remainiing to the far north of California through most of the period but as a trough moves into California late in the period there will be a slight chance of showers in the north and over the Sierras by the end of the period. Additionally, there will be occasional periods of onshore winds that will bring coastal low clouds to the coast at times. Temperatures should average near normal during the period, except falling to below normal late in the period.

Northern and Central California 16 to 20 day extended Forecast – The most recent computer model shows a similar pattern with mostly high pressure over California with the jet stream into the Pacific Northwest with mostly fair weather over most of the state, but the jet stream may dip far enough south into Northern California to bring a few showers later in the period. Temperatures should average near normal.