Weather in Vista

Heat Advisory issued July 28 at 3:03PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas

28/07/2026, 15:03:00 → 28/07/2026, 23:15:00

* WHAT...High temperatures in the mid 80s to around 90 for the mesas and other higher coastal terrain expected. * WHERE...San Diego County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

Extreme Heat Warning issued July 28 at 3:03PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Mountains

28/07/2026, 15:03:00 → 28/07/2026, 23:15:00

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Diego County Mountains. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Extreme Heat Warning issued July 28 at 3:03PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Inland Valleys

28/07/2026, 15:03:00 → 28/07/2026, 23:15:00

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

High Surf Advisory issued July 28 at 9:09PM PDT until August 1 at 5:00PM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas; Orange County Coastal

28/07/2026, 21:09:00 → 29/07/2026, 08:30:00

* WHAT...For the Beach Hazards Statement, surf of 3-6 feet with sets to 7 feet expected. For the Coastal Flood Advisory, minor coastal flooding expected during evening high tides. For the High Surf Advisory, large breaking waves of 5-8 feet with sets up to 9 feet on south-southwest facing beaches and 3-6 feet on west- facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through Wednesday afternoon. For the Coastal Flood Advisory, from 5 PM Wednesday to 3 AM PDT Saturday. For the High Surf Advisory, from 5 PM Wednesday to 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...A long period southerly swell (200 degrees) of 3 feet at 17 seconds continues through Wednesday. A higher amplitude swell (from 160-190 degrees) associated with Hurricane Genevieve of around 5 feet at 14 seconds builds late Wednesday into Thursday. Highest surf expected on Thursday and Friday when the swell direction is 180- 190 degrees. Swell and associated surf look to subside late Saturday into Sunday.

Coastal Flood Advisory issued July 28 at 9:09PM PDT until August 1 at 3:00AM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas; Orange County Coastal

28/07/2026, 21:09:00 → 29/07/2026, 08:30:00

* WHAT...For the Beach Hazards Statement, surf of 3-6 feet with sets to 7 feet expected. For the Coastal Flood Advisory, minor coastal flooding expected during evening high tides. For the High Surf Advisory, large breaking waves of 5-8 feet with sets up to 9 feet on south-southwest facing beaches and 3-6 feet on west- facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through Wednesday afternoon. For the Coastal Flood Advisory, from 5 PM Wednesday to 3 AM PDT Saturday. For the High Surf Advisory, from 5 PM Wednesday to 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...A long period southerly swell (200 degrees) of 3 feet at 17 seconds continues through Wednesday. A higher amplitude swell (from 160-190 degrees) associated with Hurricane Genevieve of around 5 feet at 14 seconds builds late Wednesday into Thursday. Highest surf expected on Thursday and Friday when the swell direction is 180- 190 degrees. Swell and associated surf look to subside late Saturday into Sunday.