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Today weather in City and County of San Francisco

Monday, September 21st, 2026
today weather
16°
Patchy rain possible
Feels like 13° · Low 15°
Weather Alert Official weather alert: Small Craft Advisory.
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Mild temperatures are expected in City and County of San Francisco Today, peaking at around 16 °F and dropping to 14 °F by night. It'll be quite breezy in City and County of San Francisco Today with average wind speeds of 25 km/h. Intermittent light showers are likely, with about 0.38 mm expected. Expect a humid atmosphere, with levels hovering around 82%.
Tuesday, Sept. 22
16° / 15°
Temp
45%
Rain
25 km/h
Wind
82%
Humidity
City and County of San Francisco Weather Pages
Today WeatherTomorrow Weather14 Days ForecastOctober Weather

City and County of San Francisco hourly forecast for today

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12:00 AM01:00 AM02:00 AM03:00 AM04:00 AM05:00 AM06:00 AM06:56 AM07:00 AM08:00 AM09:00 AM10:00 AM11:00 AM12:00 PM01:00 PM02:00 PM03:00 PM04:00 PM05:00 PM06:00 PM07:00 PM07:08 PM08:00 PM09:00 PM10:00 PM11:00 PM
weatherPatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblesunrisePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possibleCloudyCloudyPartly cloudyPartly cloudyPatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblePatchy rain possiblesunsetCloudyPatchy rain possiblePatchy rain possiblePatchy rain possibleNext
temperatures14.7°14.7°14.5°14.6°14.7°14.6°14.7°Sunrise14.7°14.6°14.7°15.1°15.4°15.8°16.1°16.2°16.1°15.9°15.6°15.4°14.9°Sunset14.7°14.6°14.6°14.5°
Feels like12°11.9°12.1°12.3°12.1°12.2°12.1°12.2°12°12.1°12.3°12.5°12.7°12.7°12.5°11.9°11.6°11.6°11.9°11.6°11.6°11.4°11.1°10.8°
wind speed18 km/h18 km/h16 km/h14 km/h17 km/h16 km/h16 km/h16 km/h16 km/h16 km/h17 km/h18 km/h19 km/h21 km/h23 km/h25 km/h26 km/h24 km/h21 km/h21 km/h19 km/h19 km/h21 km/h22 km/h
wind degree247°251°267°257°258°249°247°253°253°243°238°233°229°232°238°244°250°250°248°245°246°240°239°245°
wind directionWSWWSWWWSWWSWWSWWSWWSWWSWWSWWSWSWSWSWWSWWSWWSWWSWWSWWSWWSWWSWWSWWSW
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
chance for rain27%29%28%29%27%28%29%27%27%27%26%20%17%12%12%18%20%16%21%21%21%22%22%24%
chance for snow0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
humidity86%86%86%83%83%83%82%82%80%81%80%80%78%77%77%78%79%80%81%82%83%83%83%83%
dew point12.4°12.4°12.1°11.8°11.9°11.8°11.7°11.6°11.3°11.5°11.6°11.9°12°12.1°12.2°12.2°12.2°12.2°12.2°12°11.9°11.7°11.7°11.7°
visibility10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km10 km
cloud cover93%100%99%100%96%100%100%100%100%99%99%82%68%42%39%78%82%58%80%73%77%81%81%90%
UV000000000.10.61.52.956.164.72.91.30.400000

View of City and County of San Francisco today

Explore City and County of San Francisco live webcam feed to see how the weather is shaping up today in City and County of San Francisco. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.

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City and County of San Francisco today

Weather in City and County of San Francisco today

The weather in City and County of San Francisco today is expected to be noticeably cooler than usual, with a forecast temperature of 16 °F, compared to an average of 19.4 °F for September 21st in recent years.

temperatures
temperatures
16 °F
rain
rain
0.4 mm
wind
wind
25 km/h
6.1
UV
High
🌫️ Air quality, UV & pollen - City and County of San Francisco Live AQI, UV index and pollen levels. Air Quality →
City and County of San Francisco daylight overview ☀️
Today in City and County of San Francisco, The sun rises at 06:56 and sets at 19:08, giving a total daylight duration of 12 hours and 12 minutes.
🌅Sunrise, sunset & moon times - City and County of San FranciscoDay length, twilight, golden hour and tonight's moon phase.Sun & Moon →
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What to wear today in City and County of San Francisco? clothing recommendations

Stay comfortably stylish - your tailored guide for today's City and County of San Francisco forecast.
  • Long-sleeve shirtLong-sleeve shirt
  • Long pantLong pant
  • Closed-toe shoesClosed-toe shoes
  • Light jacketLight jacket

The weather today in City and County of San Francisco - FAQ

What is the maximum temperature for today in City and County of San Francisco?
The maximum temperature for today in City and County of San Francisco is expected to be 16° degrees. Please dress accordingly to stay comfortable throughout the day.

Will it rain today in City and County of San Francisco? 🌧️
Yes, there is a 45% chance of rain in City and County of San Francisco today. We recommend carrying an umbrella or rain gear to stay dry.

What will be the wind speed today in City and County of San Francisco? 🌀
The wind in City and County of San Francisco is expected to blow at 25 km/h. This could affect outdoor activities, so plan accordingly.

How should I dress for the weather in City and County of San Francisco today?
Given the forecast of 16 °F with a 45% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in City and County of San Francisco today.

What is the sunrise and sunset time for City and County of San Francisco today?
The sun is expected to rise at 06:56 and set at 19:08 in City and County of San Francisco.

How accurate is the weather forecast City and County of San Francisco today? ✅
City and County of San Francisco weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Location coordinates Where is City and County of San Francisco?

Get accurate weather forecasts for City and County of San Francisco, located at latitude 37.775 and longitude -122.419. Stay updated with localized weather information tailored for City and County of San Francisco.

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