County in California

San Francisco County Weather Forecast

San Francisco County weather: 64°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☀️ 64°F now🕔 6:52 AM local📅 Best: May, June, July, August, September and October👥 810.000

7-day forecast for San Francisco County

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Sat, Aug 22☁️ Overcast72° / 57°0%16 mph7
Sun, Aug 23🌥️ Fog76° / 54°2%13 mph7
Mon, Aug 24🌥️ Fog69° / 56°3%13 mph7
Tue, Aug 25☁️ Overcast70° / 60°0%9 mph7
Wed, Aug 26☁️ Overcast72° / 59°1%10 mph8
Thu, Aug 27🌤️ Mainly clear71° / 59°2%9 mph7
Fri, Aug 28☁️ Overcast73° / 59°1%9 mph7

Weekend outlook

Saturday, Aug 22

☁️ 72° / 57°

Overcast · 0% rain · wind 16 mph

Sunday, Aug 23

🌥️ 76° / 54°

Fog · 2% rain · wind 13 mph

Is today a good day to visit?

Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.

Sightseeing9.1
Outdoors9
Beach day7.6
Swimming7.5
Hiking9.1
Running9.1
Cycling8.8
Camping8.9
Fishing7.5
Photography9
Stargazing9.7
Family time9
Driving8.8
Flying out8.7

What to pack, what to skip

Pack for the next 7 days
  • Sunglasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

See the San Francisco County forecast by time range

San Francisco County weather - more answers

Explore San Francisco County

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is San Francisco County?

San Francisco County is a county in California. Its coordinates are 37.7749, -122.4194. It lies in North America.

What is the weather like in San Francisco County right now?

It is currently 64°F (18°C) with clear sky. Humidity is 71% and wind is 16 mph.

When is the best time to visit San Francisco County?

May, June, July, August, September and October offer the most comfortable conditions in San Francisco County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is San Francisco County in?

San Francisco County observes America/Los_Angeles (UTC-07:00). The local time is 6:52 AM.

How many people live in San Francisco County?

San Francisco County has a population of approximately 810.000.

What is the nearest airport to San Francisco County?

The closest airports are San Francisco International Airport (SFO), 11 mi away.

What are the top things to do in San Francisco County?

Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, Julia Pfeiffer Burns State Park and Emerald Bay State Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 23, 2026 at 6:52 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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