Next 24 hours

US AQI

32Now
31
30
297 AM
28
29
3010 AM
31
34
371 PM
39
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414 PM
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39
367 PM
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3310 PM
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371 AM
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Air quality outlook

Worst hour each day

Today41Good
Sat 10110Unhealthy for sensitive groups
Sun 11500Hazardous
Mon 1239Good
Tue 1335Good

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

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About Duluth weather

Duluth is in Saint Louis County, Minnesota, United States at 46.78°, -92.11°. Right now it’s 48° and partly cloudy; today’s high is 59° with a 3% chance of rain.

Minnesota has a humid continental climate known for some of the most extreme temperature swings in the contiguous United States. The state has recorded temperatures as low as minus 60 degrees Fahrenheit and as high as 114 degrees, a range of 174 degrees. Winters are long and brutal, with the Twin Cities averaging 54 inches of snowfall and January lows around 6 degrees Fahrenheit.