Hourly Weather in Belfast, Washington, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
14 mph
Breezy
14 mph
Breezy
15 mph
Breezy
15 mph
Breezy
16 mph
Breezy
17 mph
Breezy
5 mph
Calm
5 mph
Calm
Humidity
89%
Extremely humid
90%
Extremely humid
88%
Extremely humid
89%
Extremely humid
90%
Extremely humid
91%
Extremely humid
91%
Extremely humid
94%
Extremely humid
95%
Extremely humid
Visibility
1 mi
Low
1 mi
Low
1 mi
Low
1 mi
Low
1 mi
Low
0 mi
Low
1 mi
Low
2 mi
Low
2 mi
Low
Pressure
1005 hPa
Low
1003 hPa
Very low
1002 hPa
Very low
1000 hPa
Very low
998 hPa
Extremely low
997 hPa
Extremely low
995 hPa
Extremely low
998 hPa
Extremely low
997 hPa
Extremely low
Clouds
100%
90%
100%
100%
100%
100%
100%
100%
100%
Dew point
32°
32°
32°
32°
32°
32°
33°
29°
29°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
35
Good
35
Good
35
Good
35
Good
35
Good
35
Good
35
Good
35
Good
35
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 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
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
PM25
0.20 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.18 μg/ft3
0.16 μg/ft3
NO2
1.7 ppb
1.8 ppb
1.7 ppb
1.7 ppb
1.6 ppb
1.6 ppb
1.5 ppb
1.4 ppb
1.4 ppb
SO2
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
34.6 ppb
34.7 ppb
34.9 ppb
35 ppb
35.2 ppb
35.2 ppb
35.3 ppb
35.3 ppb
35.2 ppb