Hourly Weather in Fort Jefferson State Memorial, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
19 km/h
Breezy
12 km/h
Light
15 km/h
Light
12 km/h
Light
13 km/h
Light
14 km/h
Light
9 km/h
Light
5 km/h
Calm
41 km/h
Strong
Humidity
54%
Comfortable
56%
Comfortable
55%
Comfortable
58%
Comfortable
54%
Comfortable
58%
Comfortable
59%
Comfortable
66%
Humid
93%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
4 km
Low
Pressure
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1008 hPa
Low
Clouds
84%
83%
35%
3%
100%
89%
99%
98%
100%
Dew point
18°
20°
20°
21°
21°
22°
22°
23°
21°
UV Index
2
3
5
5
4
2
1
0
0
Air quality
54
Moderate
55
Moderate
57
Moderate
59
Moderate
60
Moderate
58
Moderate
55
Moderate
50
Moderate
41
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
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
13.9 μg/m3
11.8 μg/m3
9.4 μg/m3
7.7 μg/m3
PM25
10.5 μg/m3
11.4 μg/m3
12.3 μg/m3
13.2 μg/m3
14 μg/m3
13 μg/m3
11.1 μg/m3
9 μg/m3
7.3 μg/m3
NO2
1.8 ppb
1.6 ppb
1.4 ppb
1.1 ppb
1 ppb
1.1 ppb
1.4 ppb
1.7 ppb
1.9 ppb
SO2
0.7 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.4 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
26.5 ppb
29.8 ppb
33.3 ppb
36.6 ppb
39.5 ppb
48 ppb
46.8 ppb
44.9 ppb
44.1 ppb