Hourly Weather in Grindstone, Maine, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Light
5 mph
Light
Humidity
70%
Extremely humid
70%
Extremely humid
70%
Humid
70%
Humid
68%
Humid
66%
Humid
63%
Humid
59%
Comfortable
57%
Comfortable
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
1036 hPa
Extremely high
1036 hPa
Extremely high
1036 hPa
Extremely high
1037 hPa
Extremely high
1036 hPa
Extremely high
1036 hPa
Extremely high
1036 hPa
Extremely high
1036 hPa
Extremely high
1034 hPa
Very high
Clouds
70%
90%
100%
100%
100%
100%
100%
100%
100%
Dew point
-2°
-2°
-2°
-2°
-1°
1°
1°
2°
3°
UV Index
0
0
0
0
0
0
0
1
0
Air quality
43
Good
44
Good
52
Moderate
59
Moderate
62
Moderate
60
Moderate
55
Moderate
48
Good
40
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
0.30 μg/ft3
0.31 μg/ft3
0.36 μg/ft3
0.46 μg/ft3
0.48 μg/ft3
0.46 μg/ft3
0.41 μg/ft3
0.34 μg/ft3
0.29 μg/ft3
PM25
1.20 μg/ft3
1.25 μg/ft3
1.46 μg/ft3
1.68 μg/ft3
1.74 μg/ft3
1.68 μg/ft3
1.55 μg/ft3
1.36 μg/ft3
1.13 μg/ft3
NO2
14.1 ppb
17.4 ppb
20.8 ppb
18.9 ppb
17 ppb
15.1 ppb
12.5 ppb
9.9 ppb
7.3 ppb
SO2
2.8 ppb
3.6 ppb
4.4 ppb
4.4 ppb
4.5 ppb
4.5 ppb
3.9 ppb
3.4 ppb
2.8 ppb
CO
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
O3
17.7 ppb
15.7 ppb
13.1 ppb
12.9 ppb
14.1 ppb
15.9 ppb
19.1 ppb
22.8 ppb
26.8 ppb