
As of today, San Diego started Independence Day under partly cloudy skies and 66°F at San Diego International Airport, with near-shore humidity sitting around 83 percent. A shallow marine layer is keeping the coastline on the cool side while inland neighborhoods ease into the mid 70s, with an official high near 75°F. Northwest winds stay on the tame side today, generally under 10 mph, and low clouds are expected to thin by late morning into a brighter, partly sunny afternoon.
Today and Tonight
Independence Day is expected to stay mostly cloudy through the morning, with afternoon highs holding around 74 to 75°F and a mostly cloudy night dipping to near 65°F. The National Weather Service notes a small chance of brief visibility dips to about 4 to 6 miles this evening, where fireworks smoke lingers. With the marine layer only about 1,500 feet deep, the low clouds are not expected to push far inland. For the full forecast and discussion, see the National Weather Service.
Fireworks And Viewing
The Port of San Diego's Big Bay Boom fireworks are set to light up the sky at about 9:15 PM over San Diego Bay, concentrating smoke and crowds along the waterfront. If you are staking out a spot on the Embarcadero, Shelter Island or Coronado, expect heavy crowds and some tight sight lines on a few piers. Plan to arrive early and build in extra time for parking or public transit. Event details are available from the Port of San Diego.
Week Ahead
Fair, seasonal weather looks to stick around through next week with a gradual warming trend, with highs climbing a few degrees by next Wednesday and Thursday into the mid 70s inland. Northwest winds could gust up to 20 mph next Monday, bringing breezier afternoons near beaches and along ridgelines. The marine layer is expected to become shallower later in the week, which should keep low clouds and gray starts to the day mostly confined to the immediate coastline.
Plan For The Evening
For waterfront viewing tonight, a light jacket is your friend, and layering is smart for any early morning plans near the coast. Inland, plan to stay comfortable without heavy outerwear. If you or someone in your group is sensitive to smoke or has asthma, consider watching from a slightly inland spot or bring a mask, since brief fireworks smoke could be noticeable in neighborhoods along the bay.









