Next 24 hours

US AQI

49Now
48
46
454 AM
45
45
457 AM
46
46
4710 AM
48
50
511 PM
61
72
824 PM
83
84
847 PM
81
78
7510 PM
68
61

Air quality outlook

Worst hour each day

Today84Moderate
Fri 978Moderate
Sat 1049Good
Sun 1155Moderate
Mon 1282Moderate

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

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About Meridian weather

Meridian is in Ada County, Idaho, United States at 43.61°, -116.39°. Right now it’s 53° and clear; today’s high is 81° 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.