Bay Area/ San Jose/ Weather & Environment

Cool Your Jets, San Jose: Cloudy Start Before Labor Day Warmup

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Published on September 02, 2026
Cool Your Jets, San Jose: Cloudy Start Before Labor Day WarmupSource: Eugene Zelenko, CC BY-SA 4.0, via Wikimedia Commons

San Jose is waking up today to mostly cloudy skies and temperatures around 61 degrees, but the gray start should give way to a mostly sunny afternoon near 76. The bigger story is a cooler-than-usual stretch that will briefly flirt with light rain before warming for the Labor Day weekend.

Clouds Give Way To A Breezy Afternoon

Skies should brighten through the morning as temperatures climb through the 60s and into the mid-70s. Southwest winds will increase from 2 to 10 mph, with gusts up to 18 mph during the afternoon, according to the National Weather Service.

Thursday Could Bring Brief Light Rain

Patchy fog is expected before 8 AM tomorrow, followed by a 20% chance of rain between 8 and 10 AM. The more significant rain is expected farther north, while San Jose could see only a light, brief shower; this is a modest update from Hoodline's earlier forecast, which had kept South Bay rain chances lower.

Tomorrow night brings another slight chance of rain between 11 PM and 5 AM, followed by patchy fog and a low near 58. Northwest winds could gust as high as 22 mph, though no watches, warnings or advisories are listed for the area.

Sunny Weekend Leads Into A Warmer Holiday

Friday should start with patchy fog before turning sunny, with a high near 74. Saturday and next Sunday are forecast to reach about 77 degrees, followed by a sunny Labor Day next Monday near 80 and a warmer next Tuesday around 83.

For outdoor plans, the pattern is fairly simple: expect cooler mornings, occasional fog and increasingly comfortable afternoons. A light layer will help early in the day, while the stronger afternoon breeze may be noticeable on exposed roads and trails.