Hourly Weather in Longmont, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
9 mph
Light
8 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
9 mph
Light
7 mph
Light
8 mph
Light
Humidity
38%
Dry
38%
Dry
38%
Dry
39%
Dry
39%
Dry
40%
Dry
43%
Dry
41%
Dry
43%
Dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1013 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
3%
25%
100%
100%
21%
100%
100%
100%
100%
Dew point
7°
7°
7°
7°
7°
7°
7°
7°
8°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
60
Moderate
63
Moderate
65
Moderate
61
Moderate
61
Moderate
61
Moderate
60
Moderate
60
Moderate
60
Moderate
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.46 μg/ft3
0.46 μg/ft3
0.46 μg/ft3
0.49 μg/ft3
0.49 μg/ft3
0.50 μg/ft3
0.49 μg/ft3
0.49 μg/ft3
0.49 μg/ft3
PM25
0.39 μg/ft3
0.44 μg/ft3
0.47 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
0.40 μg/ft3
NO2
2.92 ppb
2.74 ppb
2.53 ppb
3.1 ppb
2.7 ppb
2.3 ppb
1.9 ppb
2.1 ppb
2.3 ppb
SO2
0.23 ppb
0.18 ppb
0.18 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
40.2 ppb
40 ppb
39.9 ppb
33.8 ppb
32.9 ppb
32.7 ppb
33 ppb
33 ppb
32.7 ppb