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Weather San Francisco, CA

San Francisco Weather Monday: Mild 70°F Under Marine Layer Clouds

Best Window Monday: 70°F, Partly Sunny
Rain Risk Low
What To Wear / Bring Sun protection, water, and breathable layers
Useful Links Local forecast, radar, and relevant planning links
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7-Day Forecast

Mon 70°Partly Sunny
Tue 75°Mostly Sunny
Wed 75°Mostly Sunny
Thu 71°Mostly Sunny
Fri 67°Mostly Sunny
Sat 68°Mostly Sunny
Sun 69°Mostly Sunny

San Francisco is looking at a mild, partly sunny Monday with a high near 70°F that actually slips back to around 66°F by afternoon as marine layer clouds roll back in — pack a light layer if you’re out past midday. Overnight lows settle near 58°F under mostly cloudy skies with a light west-southwest breeze.

Today’s Setup

The National Weather Service San Francisco office says a broad area of low pressure parked about 500 miles offshore, combined with building high pressure and a thick marine layer, is keeping temperatures near or slightly below normal with higher humidity through the first half of the week. Jet stream winds have swept most of the high and mid-level cloudiness away from what’s left of Tropical Storm Elida, so today stays dry with just a 2-3% chance of any rain.

Best Window To Be Outside

Late morning into early afternoon is your best bet before the marine layer thickens back up. Wind stays light out of the west-southwest at 5 to 12 mph today, easing to 3-10 mph tonight — comfortable for a walk near the Golden Gate or a stroll out toward Ocean Beach, though it’ll feel noticeably cooler and breezier right along the coast than a few miles inland.

Rain, Wind, Or Storm Risk

Don’t expect wet weather today or Tuesday, but the forecast discussion flags roughly a 5% chance of elevated showers with isolated thunderstorms Tuesday afternoon through Wednesday evening as lingering tropical moisture interacts with the local pattern — forecasters call it low-confidence and are still watching it closely. No severe weather outlook has been issued for the Bay Area, and the Weather Prediction Center’s excessive rainfall risk this week is confined to the Southwest and eastern North Carolina, nowhere near San Francisco.

What To Wear Or Bring

Layer up: a t-shirt works fine midday, but bring a windbreaker for the marine breeze, especially if you’re headed toward the fog-prone coastal spots where it can run a good 20 degrees cooler than inland neighborhoods.

Game Day & Concert Watch

It’s a busy stretch for Bay Area sports and music. Tonight, July 20, Evanescence brings its 2026 World Tour with Spiritbox and Nova Twins to Shoreline Amphitheatre — mild evening temps near 60°F make for comfortable outdoor concert weather, so grab an Evanescence t-shirt and tickets on StubHub if you’re headed out. The San Jose Earthquakes host Orlando City SC at PayPal Park on July 23 — tailgate-friendly conditions expected, so stock a hard cooler 52 quart, wear your San Jose Earthquakes jersey or San Jose Earthquakes scarf, and grab tickets on SeatGeek. Looking ahead, Ed Sheeran’s LOOP Tour lands at Levi’s Stadium on July 25 — an Ed Sheeran hoodie or Ed Sheeran hat is a smart call for a cool Bay Area evening outdoors.

Tonight’s Dinner + Next Few Days

Mild, breezy evenings like tonight are perfect for the grill — try smoking a tri-tip for a low-effort, big-flavor dinner. Need ingredients? You can order groceries on Amazon and have everything for tonight’s dinner delivered to your door, including Amazon Fresh groceries for the sides. Tuesday warms up a bit to a high near 75°F under mostly sunny skies, with a clear, cool Tuesday night near 60°F — just keep an eye on that slim shower chance moving in Tuesday afternoon through Wednesday evening.

Upcoming Home Games

Plan around the forecast — grab tickets, gear up, and see kickoff conditions.

San Jose Earthquakes vs Orlando City SC
Thu, Jul 23 · PayPal Park

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