Hourly Weather in New Castle, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
9 mph
Light
8 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
7 mph
Light
8 mph
Light
8 mph
Light
Humidity
41%
Dry
45%
Comfortable
47%
Comfortable
51%
Comfortable
55%
Comfortable
59%
Comfortable
62%
Humid
63%
Humid
63%
Humid
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
1010 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
100%
100%
74%
94%
27%
0%
0%
0%
0%
Dew point
33°
34°
34°
34°
35°
35°
34°
33°
32°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
43
Good
40
Good
37
Good
35
Good
33
Good
31
Good
29
Good
28
Good
27
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.23 μg/ft3
0.24 μg/ft3
0.23 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
PM25
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
NO2
1.6 ppb
1.72 ppb
1.84 ppb
1.96 ppb
2.02 ppb
2.07 ppb
2.13 ppb
2.07 ppb
2.01 ppb
SO2
0.09 ppb
0.09 ppb
0.08 ppb
0.08 ppb
0.07 ppb
0.06 ppb
0.05 ppb
0.05 ppb
0.04 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
O3
41.1 ppb
38.54 ppb
35.98 ppb
33.42 ppb
31.58 ppb
29.75 ppb
27.91 ppb
27.87 ppb
27.82 ppb