LIVE OBSERVATIONS at Ottawa Airport (YOW) - Tuesday, September 22, 2026 at 11:00 EDT
TODAY:
Reading
Time
CTO
Normal
RecHi
YY
RecLo
YY
Current Temperature:
High:
11:00
18.2
°C
30.6
°C
1941
10.8
°C
2017
Low:
5.8
°C
05:00
n/a
°C
7.8
°C
13.6
°C
2025
+1.3
°C
2020
Mean:
9.2
°C
n/a
°C
13.0
°C
19.5
°C
2019
8.2
°C
2020
Current Humidex:
n/a
n/a
Max Today:
n/a
n/a
n/a
34
2019
Current Wind Chill:
n/a
n/a
Min Today:
n/a
n/a
n/a
0
n/a
Current Dew Point:
+4.7
°C
n/a
°C
Max Today:
+4.7
°C
11:00
n/a
°C
20.2
°C
2021
Min Today:
+3.5
°C
02:00
n/a
°C
-2.4
°C
2020
Mean Today:
+4.1
°C
n/a
°C
15.6
°C
2019
+2.5
°C
2020
YESTERDAY:
Monday
Reading
Time
CTO
Normal
RecHi
YY
RecLo
YY
High Temperature:
14.9
°C
14:00
n/a
°C
18.4
°C
29.4
°C
1965
14.8
°C
2026
Low:
6.3
°C
07:00
n/a
°C
8.0
°C
13.6
°C
2017
-1.7
°C
1956
Mean Temperature:
10.6
°C
n/a
°C
13.2
°C
18.9
°C
2024
6.8
°C
2020
Maximum Humidex:
n/a
n/a
n/a
32
2019
Minimum Wind Chill Index:
n/a
n/a
n/a
-2
2020
Maximum Dew Point:
7.6
°C
01:00
n/a
°C
17.1
°C
2019
Minimum:
+2.8
°C
14:00
n/a
°C
-3.4
°C
2020
Mean Dew Point:
5.2
°C
n/a
°C
14.4
°C
2024
+1.4
°C
2020
TOMORROW:
Wednesday
Normal
RecHi
YY
RecLo
YY
High Temperature:
18.0
°C
29.3
°C
2017
12.1
°C
2017
Low:
7.6
°C
16.9
°C
2019
+1.7
°C
2012
Mean Temperature:
12.8
°C
22.2
°C
2021
9.0
°C
2022
Maximum Humidex:
37
2017
Minimum Wind Chill Index:
0
n/a
Maximum Dew Point:
20.8
°C
2017
Minimum:
-0.5
°C
2022
Mean Dew Point:
18.5
°C
2021
+2.0
°C
2022
THIS MONTH:
September
Mean
CTO
Normal
RecHi
YY
RecLo
YY
High Temperature:
22.1
°C
n/a
°C
0.0
°C
24.1
°C
2017
20.0
°C
2024
Low Temperature:
11.2
°C
n/a
°C
0.0
°C
11.3
°C
2017
7.4
°C
2020
Mean Temperature:
16.6
°C
n/a
°C
0.0
°C
17.7
°C
2017
14.0
°C
2020
Mean Dew Point:
12.0
°C
n/a
°C
13.3
°C
2017
9.4
°C
2025
Daily Extremes + Records
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
Daily High:
25.9
°C
03
14.8
°C
21
33.2
°C
2018-05
6.3
°C
2017-02
Daily Low:
17.3
°C
04
5.6
°C
19
28.0
°C
2017-16
-3.0
°C
2020-21
Daily Mean:
21.6
°C
03
10.8
°C
21
28.0
°C
2017-16
5.6
°C
2017-02
Humidex:
34
02
41
2017-24
Wind Chill:
n/a
n/a
-2
2020-19
Dew Point:
21.6
°C
02
+2.2
°C
18
23.6
°C
2018-03
-3.6
°C
2025-20
Daily Mean DP:
17.9
°C
03
+4.4
°C
19
22.0
°C
2018-03
-0.3
°C
2025-20
LAST MONTH:
August
Mean
CTO
Normal
RecHi
YY
RecLo
YY
High Temperature:
25.3
°C
27.9
°C
0.0
°C
27.8
°C
2021
17.5
°C
2024
Low Temperature:
14.1
°C
17.8
°C
0.0
°C
16.3
°C
2021
10.5
°C
2024
Mean Temperature:
19.7
°C
22.8
°C
0.0
°C
22.0
°C
2021
14.0
°C
2024
Mean Dew Point:
15.6
°C
16.2
°C
17.8
°C
2021
12.3
°C
2025
Daily Extremes + Records
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
Daily High:
30.1
°C
06
19.7
°C
28
35.1
°C
2025-12
0.0
°C
2024-31
Daily Low:
19.6
°C
03
8.8
°C
29
26.1
°C
2017-15
0.0
°C
2017-01
Daily Mean:
24.4
°C
06
14.8
°C
28
27.2
°C
2022-07
0.0
°C
2024-31
Humidex:
38
06
43
2018-06
Wind Chill:
n/a
n/a
0
n/a-n/a
Dew Point:
22.0
°C
07
8.0
°C
29
24.9
°C
2024-02
0.0
°C
n/a-n/a
Daily Mean DP:
20.4
°C
07
11.0
°C
15
22.4
°C
2018-28
6.0
°C
2025-18
NEXT MONTH:
October
Normal
RecHi
YY
RecLo
YY
High Temperature:
0.0
°C
19.6
°C
2017
10.8
°C
2018
Low Temperature:
0.0
°C
7.1
°C
2017
+1.0
°C
2022
Mean Temperature:
0.0
°C
13.4
°C
2017
7.0
°C
2018
Mean Dew Point:
8.8
°C
2017
+2.8
°C
2018
Daily Records
RecHi
YY-DD
RecLo
YY-DD
Daily High:
29.7
°C
2025-05
+0.2
°C
2017-17
Daily Low:
21.5
°C
2017-08
-6.9
°C
2020-31
Daily Mean:
22.8
°C
2017-08
-2.0
°C
2020-30
Humidex:
36
2018-09
Wind Chill:
-9
2020-30
Dew Point:
20.4
°C
2018-09
-16.0
°C
2024-28
Daily Mean DP:
18.0
°C
2017-08
-11.2
°C
2024-28
THIS YEAR:
2026
Mean
CTO
Normal
RecHi
YY
RecLo
YY
Daily High Temperature:
13.9
°C
12.4
°C
0.0
°C
13459293.0
°C
2056
-123149276.8
°C
2014
Daily Low:
+3.3
°C
+2.4
°C
0.0
°C
13547318.4
°C
2014
-108141203.2
°C
2014
Daily Mean:
8.6
°C
7.4
°C
0.0
°C
13472672.8
°C
2013
-108127606.7
°C
2056
Mean Dew Point:
+3.3
°C
+0.9
°C
168410453.0
°C
2014
-121942637.6
°C
2013
Monthly Extremes + Records
Max
MM
Min
MM
RecHi
YY-MM
RecLo
YY-MM
Daily High:
27.2
°C
Jul
-6.8
°C
Jan
193615831.3
°C
2016-Sep
-122652668.0
°C
2015-Feb
Daily Low:
15.7
°C
Jul
-15.3
°C
Jan
133000762.5
°C
2017-Feb
-108213290.4
°C
2007-Nov
Daily Mean Temperature::
21.4
°C
Jul
-11.0
°C
Jan
193615831.3
°C
2016-Sep
-14.2
°C
2022-Jan
Daily Mean Dew Point:
15.6
°C
Aug
-13.9
°C
Jan
168410453.0
°C
2016-Sep
-185159859.2
°C
2013-Jul+
Daily Extremes + Records
Max
MM-DD
Min
MM-DD
RecHi
Date
RecLo
Date
Daily High:
32.4
°C
Jul-01
-20.0
°C
Jan-24
35.4
°C
2018-07-02
-123074546.4
°C
2014-01-31
Daily Low:
20.5
°C
Jul-02
-27.4
°C
Jan-24
34.7
°C
2017-07-11
-108141203.2
°C
2014-01-31
Daily Mean:
26.4
°C
Jul-02
-23.7
°C
Jan-24
13472669.6
°C
2014-01-31
-25.6
°C
2022-01-22
Humidex:
46
Jul-01
13472667
2000-10-14
Wind Chill:
-37
Jan-24
-41
2016-02-13
Dew Point:
25.9
°C
Jul-01
-32.2
°C
Jan-24
38.0
°C
2015-10-27
-108172902.3
°C
2056-01-31
Daily Mean DP:
22.6
°C
Jul-01
-30.6
°C
Jan-24
37.7
°C
2015-10-27
-108167792.0
°C
2056-01-31
LAST YEAR:
2025
Mean
CTO
Normal
Daily High Temperature:
12.0
°C
13.5
°C
0.0
°C
Daily Low:
+0.8
°C
+3.6
°C
0.0
°C
Daily Mean:
6.4
°C
8.6
°C
0.0
°C
Mean Dew Point:
+1.3
°C
+1.9
°C
Monthly Extremes
Max
MM
Min
MM
Daily High:
28.7
°C
Jul
-5.8
°C
Jan
Daily Low:
15.3
°C
Jul
-14.4
°C
Feb
Daily Mean Temperature::
22.0
°C
Jul
-9.8
°C
Feb
Daily Mean Dew Point:
16.1
°C
Jul
-12.9
°C
Feb
Daily Extremes
Max
MM-DD
Min
MM-DD
Daily High:
35.1
°C
Aug-12
-14.6
°C
Dec-26
Daily Low:
23.7
°C
Jun-25
-22.7
°C
Mar-03
Daily Mean:
28.5
°C
Jun-24
-18.0
°C
Feb-02
Humidex:
46
Jun-23
Wind Chill:
-32
Feb-01
Dew Point:
27.0
°C
Jun-24
-25.6
°C
Feb-01
Daily Mean DP:
23.5
°C
Jul-13
-23.2
°C
Mar-02
Temp - Live - Past 24 Hours: Temp - Hourly - Past 7 Days: Temp - Daily - Past 31 Days: Temperature - Daily - This Month: Temp - Daily - Last Month: Temp - Daily - This Year: Temp - Monthly - This Year: