Air quality index71Moderate

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

Next 24 hours

US AQI

73Now
71
70
699 PM
65
61
5712 AM
53
49
453 AM
48
52
556 AM
51
47
439 AM
44
44
4512 PM
46
48
493 PM
48
48

Air quality outlook

Worst hour each day

Today73Moderate
Sat 1757Moderate
Sun 1863Moderate
Mon 1959Moderate
Tue 2053Moderate

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

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About La Mesa weather

La Mesa is in San Diego County, California, United States at 32.77°, -117.02°. Right now it’s 88° and cloudy; today’s high is 92° 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.