San Francisco, CA

Upcoming: Coastal Flood - Advisory

Current weather

8:51 PM

Partly cloudy

Partly cloudy

The skies will be partly cloudy. The low will be 45°.

Moderate air quality (51-100)
Primary pollutant PM2.5 16 μg/m³

Light breeze (4 - 7 mph)

Wind felt on face; leaves rustle; wind vane moved by wind.

Amount of moisture present in the air relative to the maximum amount of moisture the air can contain at its current temperature.

Good visibility (5 - 10 mi)

Pressure is the weight of the air in the atmosphere. It is normalized to the standard atmospheric pressure of 1,013.25 mb (29.9212 inHg). Higher pressure is usually associated with sunny weather, lower pressure with stormy weather.

The temperature to which the air needs to be cooled for moisture to condense, for example, as dew. The higher the dew point, the more "muggy" it feels.