Next 24 hours

US AQI

31Now
32
33
334 AM
35
36
377 AM
39
40
4110 AM
42
43
431 PM
44
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454 PM
42
39
357 PM
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3710 PM
39
40

Air quality outlook

Worst hour each day

Today45Good
Sun 1841Good
Mon 1937Good
Tue 2041Good
Wed 2139Good

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

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About St. John's weather

St. John's is in St. John's, Newfoundland and Labrador, Canada at 47.56°, -52.71°. Right now it’s 5° and cloudy; today’s high is 15° with a 65% chance of rain.

Newfoundland and Labrador spans two dramatically different climate regions. The island of Newfoundland has a maritime climate shaped by the cold Labrador Current and warm Gulf Stream, producing cool summers, relatively mild winters, and notoriously changeable weather. Labrador's interior and northern coast experience a harsh subarctic climate with long, frigid winters.