County in California

San Francisco County Weather Forecast

San Francisco County weather: 59°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 59°F now🕔 2:53 AM local📅 Best: May, June, July, August, September and October👥 810.000

Risk assessment for San Francisco County

Derived from the current forecast window - not an official warning.

Storm and wind3.6

Peak gusts of 27 mph and 0 thunderstorm days in the next 16 days.

Heavy rain and flooding0

Wettest single day forecast at 0,0 in, 0,0 in across the window. Flash flooding risk rises sharply above 50 mm in a day.

16-day forecast for San Francisco County

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Thu, Aug 20🌥️ Fog67° / 54°1%15 mph7
Fri, Aug 21🌥️ Fog66° / 57°2%18 mph8
Sat, Aug 22⛅ Partly cloudy72° / 57°2%15 mph8
Sun, Aug 23☁️ Overcast74° / 59°0%10 mph7
Mon, Aug 24☁️ Overcast71° / 59°1%11 mph8
Tue, Aug 25☁️ Overcast69° / 58°1%11 mph7
Wed, Aug 26⛅ Partly cloudy71° / 58°0%10 mph7
Thu, Aug 27☁️ Overcast71° / 59°0%12 mph7
Fri, Aug 28☁️ Overcast68° / 58°0%12 mph7
Sat, Aug 29☁️ Overcast69° / 58°1%11 mph7
Sun, Aug 30☁️ Overcast70° / 58°0%13 mph7
Mon, Aug 31☁️ Overcast67° / 58°0%16 mph7
Tue, Sep 1⛅ Partly cloudy69° / 59°0%20 mph7
Wed, Sep 2☁️ Overcast70° / 58°0%11 mph7
Thu, Sep 3☀️ Clear sky83° / 59°0%7 mph7
Fri, Sep 4☁️ Overcast88° / 68°0%7 mph6

What this means for San Francisco County

Compared with normal

Today is about average for August. The forecast high of 67°F is in line with the 69°F typical for this month.

Rain chance explained

Rain is very unlikely today - plans do not need a backup.

Travel and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in June to August.

Worth knowing

The gap between the warmest and coldest month averages 43°F - an unusually even climate through the year.

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 59°F (15°C) with overcast. Humidity is 91% and wind is 15 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 2:53 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 21, 2026 at 2:53 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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