Next 24 hours

US AQI

57Now
44
31
1812 AM
28
37
473 AM
45
43
416 AM
41
41
419 AM
43
44
4512 PM
50
56
613 PM
57
53
496 PM
45
41

Air quality outlook

Worst hour each day

Today71Moderate
Sat 1761Moderate
Sun 1841Good
Mon 1941Good
Tue 2039Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About San Rafael weather

San Rafael is in Marin County, California, United States at 37.97°, -122.53°. Right now it’s 70° and clear; today’s high is 91° with a 0% chance of rain.

California encompasses an extraordinary range of climates, from the Mediterranean coast to alpine peaks, scorching deserts, and temperate rainforests. The state's Central Valley is one of the most productive agricultural regions in the world, benefiting from warm, dry summers and mild, wet winters. Death Valley holds the record for the highest reliably recorded air temperature on Earth at 134 degrees Fahrenheit.