Hourly Weather in Williamstown Harbour, Ireland
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 mph
Breezy
12 mph
Breezy
12 mph
Breezy
11 mph
Breezy
10 mph
Light
10 mph
Breezy
10 mph
Light
9 mph
Light
10 mph
Light
Humidity
90%
Extremely humid
91%
Extremely humid
93%
Extremely humid
94%
Extremely humid
94%
Extremely humid
93%
Extremely humid
92%
Extremely humid
91%
Extremely humid
90%
Extremely 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
1026 hPa
Very high
1026 hPa
Very high
1025 hPa
Very high
1025 hPa
Very high
1025 hPa
Very high
1025 hPa
High
1024 hPa
High
1024 hPa
High
1024 hPa
High
Clouds
2%
3%
10%
19%
20%
13%
3%
3%
4%
Dew point
54°
54°
54°
54°
53°
53°
53°
52°
52°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
47
Good
46
Good
45
Good
45
Good
45
Good
45
Good
46
Good
46
Good
45
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Grass
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.46 μg/ft3
0.44 μg/ft3
0.43 μg/ft3
0.44 μg/ft3
0.44 μg/ft3
0.45 μg/ft3
0.45 μg/ft3
0.46 μg/ft3
0.45 μg/ft3
PM25
0.31 μg/ft3
0.30 μg/ft3
0.29 μg/ft3
0.30 μg/ft3
0.30 μg/ft3
0.31 μg/ft3
0.31 μg/ft3
0.31 μg/ft3
0.31 μg/ft3
NO2
1.09 ppb
0.95 ppb
0.81 ppb
0.75 ppb
0.69 ppb
0.63 ppb
0.62 ppb
0.62 ppb
0.61 ppb
SO2
0.07 ppb
0.07 ppb
0.07 ppb
0.07 ppb
0.07 ppb
0.08 ppb
0.08 ppb
0.09 ppb
0.1 ppb
CO
0.14 ppb
0.14 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.14 ppb
0.14 ppb
0.14 ppb
O3
33.73 ppb
34.63 ppb
35.53 ppb
35.55 ppb
35.57 ppb
35.59 ppb
35.5 ppb
35.41 ppb
35.31 ppb