San Jose is soaking up classic early-summer weather today with sunny skies and a quick warm-up into the low 80s by afternoon. It started on the cool side at the airport, but temperatures are expected to jump to around 82°F in the city, with even warmer readings inland. If you are bouncing between microclimates, plan for a light layer for any coastal runs while the inland valleys become the hot spots.
Afternoon Winds Pick Up
By afternoon, west to northwest winds will kick in, generally around 0 to 10 mph with gusts up to 18 mph through the late day and evening. Expect it to feel a bit breezy in exposed spots and along the hills, where a stray gust might knock over light outdoor furniture or unsecured decor. Forecast guidance lays out the expected gusts and timing for the San Jose area, according to the National Weather Service.
Beach And Boating Hazards
A Beach Hazards Statement is in effect from 5 AM today through Tuesday morning for Pacific-facing beaches, thanks to a long-period southwest swell (18 620 seconds) that will boost the risk of sneaker waves and powerful rip currents. Out on the water, high-end Small Craft Advisories and rough seas are expected through tomorrow morning in the outer waters, so this is not the time for casual rock-jetty strolls or tossing inexperienced swimmers into the surf. As outlined by the NWS San Francisco Bay Area, keep a close eye on the waves and stick to swimming near lifeguards.
When To Expect Heat
Temperatures will climb again tomorrow, expected to be the warmest day of the week, with highs near 86F in San Jose and low-to-mid 80s inland. Nights stay comfortably mild, with lows settling into the mid-50s. For a closer look at hourly temperatures and how the heat ramps up through the day, check the local point forecast from the National Weather Service.
Plan Ahead
Layer up for the cool morning hours, then be ready to shed down to a lighter shirt by afternoon. If you are out and about inland tomorrow, keep water, sunscreen, and a bit of shade strategy in the mix. Heading to the coast, treat the surf with respect, watch from a safe distance, swim only near lifeguards, and never turn your back on the ocean. Boaters and kayakers should steer clear of exposed waters while Small Craft Advisories remain posted.
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