Hourly Weather in St. Petersburg, Florida, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Light
5 mph
Calm
6 mph
Light
5 mph
Calm
6 mph
Light
6 mph
Light
4 mph
Calm
2 mph
Calm
0 mph
Calm
Humidity
82%
Extremely humid
84%
Extremely humid
77%
Extremely humid
65%
Humid
51%
Comfortable
43%
Dry
38%
Dry
35%
Dry
33%
Dry
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
1021 hPa
High
1021 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
Clouds
0%
0%
0%
0%
0%
0%
0%
2%
4%
Dew point
54°
54°
55°
56°
54°
53°
52°
52°
51°
UV Index
0
0
0
1
3
5
6
7
7
Air quality
31
Good
31
Good
33
Good
34
Good
35
Good
42
Good
47
Good
55
Moderate
70
Moderate
Pollen index
Tree
4 / 5
2 / 5
2 / 5
2 / 5
3 / 5
5 / 5
5 / 5
5 / 5
5 / 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
4 / 5
3 / 5
3 / 5
4 / 5
4 / 5
4 / 5
4 / 5
Pollutants
Low risk
High risk
PM10
0.38 μg/ft3
0.40 μg/ft3
0.43 μg/ft3
0.48 μg/ft3
0.42 μg/ft3
0.40 μg/ft3
0.39 μg/ft3
0.39 μg/ft3
0.38 μg/ft3
PM25
0.22 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
0.27 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
NO2
4.67 ppb
5.34 ppb
6.02 ppb
4.73 ppb
3.44 ppb
2.15 ppb
1.83 ppb
1.51 ppb
1.18 ppb
SO2
0.42 ppb
0.45 ppb
0.48 ppb
0.46 ppb
0.44 ppb
0.41 ppb
0.4 ppb
0.39 ppb
0.38 ppb
CO
0.16 ppb
0.16 ppb
0.17 ppb
0.16 ppb
0.16 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
O3
29.71 ppb
27.43 ppb
25.15 ppb
34.11 ppb
43.07 ppb
52.03 ppb
56.34 ppb
60.65 ppb
64.96 ppb