Clarkson hour by hour Weather up to 120 hours – Forecast, Trends & News - Canada
Clarkson, Ontario, Canada
Updated every 10 min
Today Conditions

26.1°C
/
14.0°C
Sunny
Temperature AVG :
19.5°C
Wind:
9.7 km/h
Humidity: 72%
Visibility:
10.0 km
Astronomy
Sunrise
07:01 AM
Sunset
07:25 PM
Moon Phase
Waning Crescent
UV Index
1.3 Good for going out
Moon illumination
23%
Air Quality
2
Moderate
AQI
PM2.5
30.525 µg/m³
PM10
30.71 µg/m³
O₃
82.0 μg/m3
NO₂
90.465 μg/m3
Clarkson next 48-Hour Forecast
Wind
6.5 km/h
Feels Like
17.7°C
Humidity
79%
Dew Point
14.0°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.1 km/h
Feels Like
17.2°C
Humidity
82%
Dew Point
14.0°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.5 km/h
Feels Like
16.7°C
Humidity
84%
Dew Point
14.0°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
16.2°C
Humidity
86%
Dew Point
14.0°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.6 km/h
Feels Like
15.3°C
Humidity
86%
Dew Point
13.4°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
14.8°C
Humidity
83%
Dew Point
11.7°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
14.4°C
Humidity
85%
Dew Point
11.8°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
14.7°C
Humidity
87%
Dew Point
11.9°C
°
Pressure
1021.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
15.5°C
Humidity
84%
Dew Point
12.0°C
°
Pressure
1021.0 mb
UV Index
0.2
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.1 km/h
Feels Like
16.8°C
Humidity
77%
Dew Point
12.3°C
°
Pressure
1021.0 mb
UV Index
0.8
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.8 km/h
Feels Like
18.6°C
Humidity
71%
Dew Point
12.8°C
°
Pressure
1021.0 mb
UV Index
2.0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.6 km/h
Feels Like
20.5°C
Humidity
64%
Dew Point
13.3°C
°
Pressure
1020.0 mb
UV Index
3.5
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
8.3 km/h
Feels Like
23.6°C
Humidity
57%
Dew Point
13.5°C
°
Pressure
1020.0 mb
UV Index
4.8
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.9 km/h
Feels Like
25.2°C
Humidity
52%
Dew Point
14.1°C
°
Pressure
1019.0 mb
UV Index
5.5
( Be cautious
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
25.9°C
Humidity
49%
Dew Point
14.7°C
°
Pressure
1018.0 mb
UV Index
5.3
( Be cautious
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.5 km/h
Feels Like
26.1°C
Humidity
49%
Dew Point
14.4°C
°
Pressure
1018.0 mb
UV Index
4.2
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.8 km/h
Feels Like
26.0°C
Humidity
54%
Dew Point
14.3°C
°
Pressure
1018.0 mb
UV Index
2.8
( Good for going out
)
Visibility
24.0 km
Chance of rain
0%
Wind
7.9 km/h
Feels Like
25.6°C
Humidity
52%
Dew Point
14.6°C
°
Pressure
1017.0 mb
UV Index
1.4
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
9.7 km/h
Feels Like
25.2°C
Humidity
58%
Dew Point
15.1°C
°
Pressure
1017.0 mb
UV Index
0.5
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
9.4 km/h
Feels Like
21.9°C
Humidity
67%
Dew Point
16.0°C
°
Pressure
1017.0 mb
UV Index
0.0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.2 km/h
Feels Like
20.7°C
Humidity
74%
Dew Point
15.6°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
4.3 km/h
Feels Like
19.7°C
Humidity
79%
Dew Point
15.8°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
2.9 km/h
Feels Like
19.0°C
Humidity
84%
Dew Point
16.0°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.4 km/h
Feels Like
18.2°C
Humidity
87%
Dew Point
16.1°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.8 km/h
Feels Like
17.7°C
Humidity
90%
Dew Point
15.8°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.4 km/h
Feels Like
17.2°C
Humidity
93%
Dew Point
15.9°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
4.7 km/h
Feels Like
16.6°C
Humidity
93%
Dew Point
15.6°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.0 km/h
Feels Like
16.1°C
Humidity
94%
Dew Point
15.1°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.8 km/h
Feels Like
16.0°C
Humidity
94%
Dew Point
14.6°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.5 km/h
Feels Like
15.7°C
Humidity
95%
Dew Point
14.1°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.8 km/h
Feels Like
15.4°C
Humidity
95%
Dew Point
13.7°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
6.8 km/h
Feels Like
15.5°C
Humidity
94%
Dew Point
13.4°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.8 km/h
Feels Like
16.0°C
Humidity
92%
Dew Point
13.5°C
°
Pressure
1016.0 mb
UV Index
0.2
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.0 km/h
Feels Like
17.7°C
Humidity
87%
Dew Point
14.4°C
°
Pressure
1016.0 mb
UV Index
0.8
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.8 km/h
Feels Like
20.6°C
Humidity
74%
Dew Point
14.7°C
°
Pressure
1016.0 mb
UV Index
1.9
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
2.9 km/h
Feels Like
25.2°C
Humidity
58%
Dew Point
15.0°C
°
Pressure
1016.0 mb
UV Index
3.4
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
1.1 km/h
Feels Like
28.1°C
Humidity
48%
Dew Point
16.3°C
°
Pressure
1016.0 mb
UV Index
4.7
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
1.4 km/h
Feels Like
30.2°C
Humidity
44%
Dew Point
16.6°C
°
Pressure
1015.0 mb
UV Index
5.5
( Be cautious
)
Visibility
10.0 km
Chance of rain
0%
Wind
3.2 km/h
Feels Like
30.4°C
Humidity
42%
Dew Point
17.0°C
°
Pressure
1015.0 mb
UV Index
5.3
( Be cautious
)
Visibility
10.0 km
Chance of rain
0%
Wind
5.0 km/h
Feels Like
29.9°C
Humidity
45%
Dew Point
16.4°C
°
Pressure
1014.0 mb
UV Index
4.3
( Caution needed
)
Visibility
10.0 km
Chance of rain
0%
Wind
7.6 km/h
Feels Like
29.3°C
Humidity
46%
Dew Point
16.1°C
°
Pressure
1014.0 mb
UV Index
2.7
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
9.0 km/h
Feels Like
27.9°C
Humidity
47%
Dew Point
15.8°C
°
Pressure
1014.0 mb
UV Index
1.4
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
11.9 km/h
Feels Like
26.7°C
Humidity
60%
Dew Point
16.0°C
°
Pressure
1015.0 mb
UV Index
0.5
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
16.9 km/h
Feels Like
25.6°C
Humidity
66%
Dew Point
16.1°C
°
Pressure
1015.0 mb
UV Index
0.0
( Good for going out
)
Visibility
9.0 km
Chance of rain
0%
Wind
18.0 km/h
Feels Like
21.5°C
Humidity
72%
Dew Point
16.2°C
°
Pressure
1016.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
18.4 km/h
Feels Like
20.1°C
Humidity
77%
Dew Point
15.5°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
17.6 km/h
Feels Like
19.0°C
Humidity
80%
Dew Point
15.2°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Wind
16.6 km/h
Feels Like
18.2°C
Humidity
80%
Dew Point
14.4°C
°
Pressure
1017.0 mb
UV Index
0
( Good for going out
)
Visibility
10.0 km
Chance of rain
0%
Clarkson 5-Day Forecast
Today

Sunny
26.1°C
/
14.0°C
0%
2025-09-18

Sunny
31.4°C
/
14.3°C
0%
2025-09-19

Sunny
22.4°C
/
13.3°C
0%
2025-09-20

Sunny
20.1°C
/
12.7°C
0%
2025-09-21

Patchy rain nearby
23.9°C
/
14.9°C
71%