SF in June is June Gloom: 21°C / 70°F afternoons, 12°C / 54°F mornings, near-daily fog over Sunset, Richmond, and Ocean Beach.
June in San Francisco means June Gloom — the thick marine layer that parks itself over the western half of the city from late May through mid-July. NOAA climate data show afternoons at 21°C / 70°F and mornings at 12°C / 54°F, with barely 1 rain day across the whole month. But the fog does the work of rain in SF: it keeps everything cool, damp at the edges, and requires real layering. Windy afternoons at Ocean Beach or the Presidio can feel 10°C / 50°F cooler than sunny Mission afternoons just 4 miles east. The local June uniform: merino tee, cream crew-neck sweatshirt, a camel harrington jacket, dark navy wide-leg trousers, white chunky sneakers. Anyone who packed 'California summer' regrets it. Anyone who packed three layers dresses right every day.
Anyone who packed 'California summer' regrets it. Anyone who packed three layers dresses right every day.

June Gloom drizzle reads softer than May's mist — a camel harrington handles the marine-layer damp without the ceremony of May's trench. Belted-back-of-collar styling sits cleanly under a Mission cardigan run, packs lighter for the 4pm Ocean Beach pivot. Drake's, Baracuta G9, or Uniqlo for the accessible version.

The mid layer that makes the June outfit work — a sweatshirt instead of a knit because June fog wets fabric and cotton dries faster than cashmere over a day on the Embarcadero. Cream sits cleanly under the harrington and over a tee at Dolores Park. Patagonia Better Sweater fans, take note.

The base. Icebreaker or Smartwool. Breathes at 22°C / 72°F Mission, insulates at 13°C / 55°F Ocean Beach — same piece.

SF denim is straightforward — wide-leg trousers in dark navy step up the silhouette without changing the practicality. Hides fog condensation marks; reads more 2026 editorial than straight-leg jeans; pairs cleanly with the harrington.

For a rare warm Mission afternoon. Pair with the sweatshirt and harrington for the inevitable cool-down by 6pm.

SF's hills are serious. White chunky sneakers — the 2026 silhouette over last year's low-tops — hold up against 20%+ grades and the slick Powell Street cable-car tracks where thin soles slip. Hokas (Clifton, Bondi) still read local-tech.

SF tech culture makes backpacks more acceptable than in LA or NYC, but the structured leather shoulder bag steps up for Mission dinners while still holding a Hydro Flask. Dark brown reads SF-quiet against the camel harrington where black reads downtown-tech.
Merino tee · navy wide-leg trousers · cream crew sweatshirt · harrington · white chunky sneakers · structured brown shoulder bag. Coffee at Sightglass, walk the Embarcadero.
Midi dress · cream crew sweatshirt · ankle boots · structured brown shoulder bag. Dinner at Nopa, drinks at Trick Dog.
The marine layer. Pacific cold-water upwelling off the California coast cools the air above it, which gets pushed inland through the Golden Gate and over the peninsula, creating a persistent fog layer. Locals call it June Gloom and the full pattern lasts from late May through July. NOAA climate data: average June high is 21°C (70°F), low is 12°C (54°F) — cooler than most American visitors expect.
June Gloom is the SF-specific marine-layer weather pattern: thick low fog that covers the city's western neighborhoods (Sunset, Richmond, Ocean Beach) all morning, often lifting in the Mission and Potrero by noon, but frequently returning by 5pm. It's the reason SF summer feels cold and why every local carries a layer.
Three layers: base (merino tee or long-sleeve), mid (cream crew sweatshirt or cashmere hoodie), outer (camel harrington or light jacket). Plus dark navy wide-leg trousers, 1-2 dresses for warm Mission afternoons, a pair of supportive sneakers, and a structured shoulder bag. Skip sandals, shorts as primary bottoms, and anything sheer.
A light water-resistant jacket is useful for Ocean Beach and Pacific-side walks (mist, not rain), but June averages only 1 rain day across the whole month. A wind-resistant harrington handles 95% of June SF weather.
Layered neutrals, supportive footwear, and function-first outerwear. Typical June uniform: merino tee, cream crew sweatshirt, dark navy wide-leg trousers, white chunky sneakers, camel harrington jacket, a structured shoulder bag. SF dresses less trendy than LA and less formal than NYC.