Indoors:

TEMPERATURE ANALYSES

Plus RH, Dew Point and Humidex

Times in EST (Eastern Standard Time = GMT-5)
<-CTO <-Ottawa Airport <-CTO Home
Current Weather Temperatures BP+RH
Records
Today Yesterday Tomorrow This Month Last Month Next Month This Year Last Year

   LIVE OBSERVATIONS from the Living Room -  Tuesday, September 9, 2025 at 11:04

   TODAY:

   

Indoors

Time

Outdoors

Normal

RecHi

YY

RecLo

YY

   Current Temperature:

 24.6 °C   15.9 °C                

   High:

 25.3 °C 01:04 15.9 °C n/a °C 29.6 °C 2024 24.2 °C 2019

   Low:

 24.6 °C 10:04 9.2 °C n/a °C 26.8 °C 2016 22.5 °C 2013

   Mean:

 25.0 °C   12.6 °C n/a °C 28.0 °C 2016 23.4 °C 2013
 

   Current Humidex:

 26   n/a                  

   Max Today:

 27   01:04 n/a     36   2015      
 

   Current Dew Point:

 9.3 °C   9.7 °C            

   Max Today:

 10.3 °C 01:04 9.7 °C   20.6 °C 2015      

   Min Today:

 9.3 °C 10:54 7.0 °C         8.2 °C 2024

   Mean Today:

 9.8 °C   8.4 °C n/a °C 19.1 °C 2015 10.4 °C 2019
 

   Current Relative Humidity:

 38 %   67 %                

   Maximum Today:

 40 % 06:54 87 %     65 % 2015      

   Minimum:

 38 % 10:34 67 %           37 % 2024

   Mean:

 39 %   77 % n/a % 60 % 2015 40 % 2024

   YESTERDAY:

   Monday

Indoors

Time

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 26.5 °C 20:09 20.7 °C n/a °C 29.8 °C 2015 24.8 °C 2024

   Low:

 24.8 °C 07:24 9.8 °C n/a °C 27.4 °C 2016 22.1 °C 2013

   Mean Temperature:

 25.6 °C   15.2 °C n/a °C 28.3 °C 2016 23.8 °C 2013
 

   Maximum Humidex:

 28   17:44 21     39   2015      
 

   Maximum Dew Point:

 11.1 °C 18:09 9.4 °C   25.1 °C 2014        

   Minimum:

 9.2 °C 16:49 6.3 °C         7.5 °C n/a  

   Mean Dew Point:

 10.2 °C   7.8 °C n/a °C 20.1 °C 2015 9.8 °C 2024  
 

   Maximum Relative Humidity:

 40 % 04:04 85 %     97 % 2014        

   Minimum:

 36 % 16:49 41 %           36 % 2025

   Mean:

 38 %   63 % n/a % 72 % 2017 38 % 2025
 

   TOMORROW:

   Wednesday

  

Normal

RecHi

YY

RecLo

YY

  

   High Temperature:

           n/a °C 29.7 °C 2022 24.0 °C 2018  

   Low:

     n/a °C 26.5 °C 2022 21.7 °C 2019  

   Mean Temperature:

     n/a °C 28.1 °C 2022 22.9 °C 2019  
 

   Maximum Humidex:

   37   2016  
 

   Dew Point:

   21.2 °C 2016 7.4 °C 2024  

   Mean Dew Point:

   n/a °C 17.9 °C 2016 8.4 °C 2024  
 

   Relative Humidity:

   65 % 2016 34 % 2024  

   Daily Mean RH:

   n/a % 56 % 2016 36 % 2024  
 

   THIS MONTH:

   September

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 27.4 °C 25.2 °C n/a °C 30.8 °C 2014 22.6 °C 2013

   Low Temperature:

 25.8 °C 13.2 °C n/a °C 28.6 °C 2014 18.8 °C 2014

   Mean Temperature:

 26.6 °C 19.2 °C n/a °C 29.3 °C 2014 20.9 °C 2013
 

   Mean Dew Point:

 11.8 °C 10.6 °C n/a °C 19.8 °C 2014 7.1 °C 2013
 

   Mean Relative Humidity:

 40 % 60 % n/a % 99 % 2014 31 % 2014
 

   Daily Extremes + Records

Max

DD

Min

DD

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

 28.3 °C 03 26.3 °C 07 33.7 °C 2016-26 22.6 °C 2013-14

   Daily Low:

 26.7 °C 03 24.8 °C 08 29.2 °C 2023-08 +1.8 °C 2016-27

   Daily Mean:

 27.5 °C 03 25.6 °C 08 30.8 °C 2023-06 20.3 °C 2018-20
 

   Humidex:

 32   02       43   2023-05      
 

   Dew Point:

 14.1 °C 02 9.2 °C 08 24.6 °C 2017-08 -7.7 °C 2020-16

   Daily Mean DP:

 13.1 °C 02 10.2 °C 08 21.6 °C 2023-05 +3.2 °C 2020-16
 

   Relative Humidity:

 45 % 01 35 % 07 97 % 2017-08 1 % 2016-27

   Daily Mean RH:

 42 % 01 38 % 06 72 % 2017-08 29 % 2016-28
 

   LAST MONTH:

   August

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 29.0 °C 28.4 °C n/a °C 30.8 °C 2014 24.8 °C 2014

   Low Temperature:

 25.7 °C 16.8 °C n/a °C 27.6 °C 2014 21.8 °C 2014

   Mean Temperature:

 27.4 °C 22.6 °C n/a °C 28.4 °C 2014 23.3 °C 2014
 

   Mean Dew Point:

 12.4 °C 12.8 °C n/a °C 19.3 °C 2014 12.2 °C 2014
 

   Mean Relative Humidity:

 40 % 59 % n/a % 62 % 2014 40 % 2025
 

   Daily Extremes + Records

Max

DD

Min

DD

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

 33.9 °C 10 25.5 °C 30 38.2 °C 2016-20 23.8 °C 2017-25

   Daily Low:

 29.1 °C 13 22.9 °C 01 29.5 °C 2024-05 20.1 °C 2015-28

   Daily Mean:

 31.0 °C 10 24.7 °C 01 31.0 °C 2025-10 22.0 °C 2017-24
 

   Humidex:

 209   06       209   2025-06      
 

   Dew Point:

 19.7 °C 13 6.0 °C 14 31.4 °C 2016-03 -3.2 °C 2017-01

   Daily Mean DP:

 17.4 °C 13 7.4 °C 18 22.0 °C 2021-11 +5.0 °C 2017-27
 

   Relative Humidity:

 56 % 13 26 % 14 98 % 2016-03 15 % 2017-01

   Daily Mean RH:

 48 % 13 32 % 18 68 % 2017-22 32 % 2025-18
 

   NEXT MONTH:

   October

  

Normal

RecHi

YY

RecLo

YY

   High Temperature:

   n/a °C 29.3 °C 2013 23.2 °C 2019

   Low Temperature:

   n/a °C 25.1 °C 2013 19.8 °C 2013

   Mean Temperature:

   n/a °C 27.9 °C 2013 21.7 °C 2013
 

   Mean Dew Point:

   n/a °C 16.9 °C 2014 +4.3 °C 2013
 

   Mean Relative Humidity:

   n/a % 68 % 2014 24 % 2013
 

   Daily Records

  

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

   31.8 °C 2023-04 21.8 °C 2019-10

   Daily Low:

   27.7 °C 2023-04 -16.4 °C 2024-31

   Daily Mean:

   29.8 °C 2023-04 +5.0 °C 2024-31
 

   Humidex:

   489   2024-26      
 

   Dew Point:

   25.7 °C 2017-05 -24.5 °C 2024-31

   Daily Mean DP:

   19.2 °C 2017-24 -4.3 °C 2024-31
 

   Relative Humidity:

   98 % 2017-25 6 % 2016-03

   Daily Mean RH:

   72 % 2017-11 26 % 2020-17
 

   THIS YEAR:

   2025

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   Daily High Temperature:

 26.3 °C 14.7 °C 0.0 °C 40.3 °C 2013 22.7 °C 2012

   Daily Low:

 24.2 °C +4.4 °C 0.0 °C 24.7 °C 2014 11.9 °C 2013

   Daily Mean:

 25.2 °C 9.6 °C 0.0 °C 26.9 °C 2013 20.5 °C 2013
 

   Mean Dew Point:

 7.8 °C +2.4 °C n/a °C 15.4 °C 2013 -6.9 °C 2013
 

   Annual Mean RH:

 34 % 65 % n/a % 52 % 2014 21 % 2014
 

   Monthly Extremes + Records

Max

MM

Min

MM

RecHi

YY-MM

RecLo

YY-MM

   Daily High:

 29.7 °C Jul 24.2 °C Jan 89.0 °C 2013-Mar 20.0 °C 2013-Apr

   Daily Low:

 26.2 °C Jul 23.1 °C Mar 29.8 °C 2013-Jul -88.6 °C 2012-Aug

   Daily Mean Temperature::

 28.0 °C Jul 23.7 °C Feb 32.8 °C 2023-Apr +0.6 °C 2013-Apr
 

   Daily Mean Dew Point:

 15.5 °C Jul +2.5 °C Mar 20.5 °C 2013-Jul -61.9 °C 2013-Apr
 

   Monthly Mean RH:

 47 % Jul 25 % Mar 167 % 2014-Jul 0 % 2012-Apr
 

   Daily Extremes + Records

Max

MM-DD

Min

MM-DD

RecHi

Date

RecLo

Date

   Daily High:

 34.8 °C Jun-23 23.7 °C Feb-01 38.2 °C 2016-08-20 23.8 °C 2017-08-25

   Daily Low:

 30.7 °C Jun-25 22.1 °C Mar-21 29.5 °C 2024-08-05 20.1 °C 2015-08-28

   Daily Mean:

 32.3 °C Jun-24 23.0 °C Mar-21 31.0 °C 2025-08-10 22.0 °C 2017-08-24
 

   Humidex:

 209   Aug-06       209   2025-08-06      
 

   Dew Point:

 23.0 °C Jun-23 -4.8 °C Mar-21 31.4 °C 2016-08-03 -3.2 °C 2017-08-01

   Daily Mean DP:

 20.5 °C Jul-13 -1.0 °C Mar-21 22.0 °C 2021-08-11 +5.0 °C 2017-08-27
 

   Relative Humidity:

 63 % Jul-17 16 % Mar-21 99 % 2016-05-27 1 % 2015-07-01

   Daily Mean RH:

 63 % Jul-17 16 % Mar-21 99 % 2016-05-27 1 % 2015-07-01
 

   LAST YEAR:

   2024

Mean

Outdoors

Normal

   Daily High Temperature:

 25.8 °C 15.8 °C 0.0 °C

   Daily Low:

 23.2 °C 5.4 °C 0.0 °C

   Daily Mean:

 24.5 °C 10.6 °C 0.0 °C
 

   Mean Dew Point:

 10.6 °C +4.0 °C n/a °C
 

   Annual Mean RH:

 43 % 68 % n/a %
 

   Monthly Extremes

Max

MM

Min

MM

   Daily High:

 28.9 °C Jul 23.6 °C Feb

   Daily Low:

 25.3 °C Aug 21.3 °C Jan

   Daily Mean Temperature::

 27.0 °C Jul 22.4 °C Feb
 

   Daily Mean Dew Point:

 16.7 °C Jul 6.0 °C Dec
 

   Monthly Mean RH:

 54 % Jul 33 % Dec
 

   Daily Extremes

Max

MM-DD

Min

MM-DD

   Daily High:

 35.4 °C Nov-07 22.8 °C Jan-13

   Daily Low:

 29.5 °C Aug-05 -16.4 °C Oct-31

   Daily Mean:

 31.2 °C Jun-19 +5.0 °C Oct-31
 

   Humidex:

 489   Oct-26      
 

   Dew Point:

 23.4 °C Jun-18 -24.5 °C Oct-31

   Daily Mean DP:

 21.7 °C Jun-19 -5.4 °C Nov-14
 

   Relative Humidity:

 88 % Oct-26 11 % Mar-23

   Daily Mean RH:

 76 % Jul-28 24 % Mar-23
 

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: