Air quality index63Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

61Now
63
65
627 AM
60
57
5010 AM
43
35
391 PM
42
45
454 PM
45
45
437 PM
41
39
3910 PM
38
37
371 AM
37
37

Air quality outlook

Worst hour each day

Today65Moderate
Mon 1947Good
Tue 2049Good
Wed 2149Good
Thu 2249Good

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

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About Napa weather

Napa is in Napa County, California, United States at 38.30°, -122.29°. Right now it’s 51° and mostly clear; today’s high is 73° with a 2% 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.