Hourly Weather in Williamstown Castle, Ireland
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
16 mph
Breezy
17 mph
Breezy
17 mph
Breezy
17 mph
Breezy
17 mph
Breezy
17 mph
Breezy
17 mph
Breezy
16 mph
Breezy
16 mph
Breezy
Humidity
74%
Extremely humid
69%
Humid
63%
Humid
60%
Humid
62%
Humid
63%
Humid
65%
Humid
65%
Humid
66%
Humid
Visibility
8 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
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
Clouds
69%
53%
54%
90%
100%
100%
94%
100%
100%
Dew point
53°
52°
52°
51°
51°
51°
52°
52°
51°
UV Index
2
3
4
4
3
3
2
1
1
Air quality
27
Good
28
Good
29
Good
32
Good
35
Good
40
Good
45
Good
47
Good
45
Good
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
0.18 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
0.27 μg/ft3
0.30 μg/ft3
0.31 μg/ft3
0.31 μg/ft3
PM25
0.14 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
0.23 μg/ft3
NO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.4 ppb
0.4 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
29.3 ppb
30.3 ppb
31.1 ppb
31.7 ppb
31.9 ppb
32.1 ppb
32.2 ppb
32.1 ppb
32 ppb