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🕔 12:34 AM local📅 Best: May, June, July, August, September and October👥 810.000

San Francisco County weather in February

59°
average high · low 47°F
★★★☆☆
ranked #11 of 12 months

A workable month, with trade-offs.

Average high59°F
Average low47°F
Mean53°F
Rainfall5,6 in

February runs 37°F cooler than the annual average in San Francisco County.

Compare with January or March.

Weather map for San Francisco County

Animated model layers. Pick a layer to load it.

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Climate in San Francisco County month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January59°46°3,3 in★★★☆☆
February59°47°5,6 in★★★☆☆
March64°50°3,0 in★★★★
April63°51°2,0 in★★★★
May65°52°0,6 in★★★★★
June66°54°0,0 in★★★★★
July66°56°0,1 in★★★★★
August69°57°0,0 in★★★★★
September69°58°0,2 in★★★★★
October71°56°0,7 in★★★★★
November62°50°4,1 in★★★☆☆
December58°47°5,8 in★★★☆☆

Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).

Best time to visit San Francisco County

Go in May, June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★★☆☆
February★★★☆☆
March★★★★
April★★★★
May★★★★★
June★★★★★
July★★★★★
August★★★★★
September★★★★★
October★★★★★
November★★★☆☆
December★★★☆☆

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.

How San Francisco County compares with nearby places

Annual averages, and the difference against San Francisco County.

PlaceDistanceAvg tempvs hereAnnual rain
Area Code 4150 mi57°Fabout the same25 in
San Francisco0 mi57°Fabout the same25 in
ZIP Code 941020 mi57°Fabout the same25 in
Mission District1 mi57°Fabout the same25 in
ZIP Code 941332 mi57°Fabout the same25 in

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 12:34 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 12:34 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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