Next 24 hours

US AQI

37Now
49
48
468 PM
45
45
4511 PM
45
45
452 AM
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455 AM
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468 AM
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35
2411 AM
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472 PM
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Air quality outlook

Worst hour each day

Today53Moderate
Thu 865Moderate
Fri 973Moderate
Sat 1047Good
Sun 1141Good

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

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About Flagstaff weather

Flagstaff is in Coconino County, Arizona, United States at 35.20°, -111.65°. Right now it’s 73° and cloudy; today’s high is 73° with a 1% chance of rain.

Arizona is known for its arid desert climate, particularly in the southern lowlands where Phoenix regularly ranks as one of the hottest cities in the United States. Summer temperatures in the Sonoran Desert routinely exceed 110 degrees Fahrenheit, and the city has recorded stretches of consecutive days above 100 degrees lasting over a month. Despite the heat, humidity remains very low for most of the year.