Air quality index58Moderate

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

Next 24 hours

US AQI

59Now
58
56
554 AM
52
50
477 AM
48
48
4910 AM
54
58
631 PM
70
77
844 PM
84
84
847 PM
82
79
7710 PM
73
70

Air quality outlook

Worst hour each day

Today84Moderate
Fri 978Moderate
Sat 1063Moderate
Sun 1184Moderate
Mon 1275Moderate

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

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About Boise weather

Boise is in Ada County, Idaho, United States at 43.61°, -116.20°. Right now it’s 56° and clear; today’s high is 83° with a 0% chance of rain.

Idaho's climate varies dramatically due to its complex topography, ranging from semi-arid conditions in the Snake River Plain to heavy mountain snowfall in the central and northern highlands. Boise enjoys a semi-arid climate with hot, dry summers and cold winters, receiving only about 12 inches of precipitation annually. The state's diverse terrain creates numerous microclimates within short distances.