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 -  Monday, May 19, 2025 at 16:54

   TODAY:

   

Indoors

Time

Outdoors

Normal

RecHi

YY

RecLo

YY

   Current Temperature:

 24.5 °C   10.7 °C                

   High:

 24.7 °C 15:09 11.9 °C n/a °C 39.6 °C 2023 24.6 °C 2016

   Low:

 23.6 °C 07:44 6.2 °C n/a °C 26.1 °C 2021 20.1 °C 2014

   Mean:

 24.2 °C   9.0 °C n/a °C 32.6 °C 2023 22.8 °C 2014
 

   Current Humidex:

 25   n/a                  

   Max Today:

 26   15:09 n/a     44   2023      
 

   Current Dew Point:

 8.4 °C   +1.9 °C            

   Max Today:

 9.2 °C 01:04 +3.3 °C   26.5 °C 2015      

   Min Today:

 7.6 °C 07:44 +0.6 °C         +0.6 °C n/a

   Mean Today:

 8.4 °C   +2.0 °C n/a °C 14.0 °C 2024 +3.7 °C 2014
 

   Current Relative Humidity:

 36 %   55 %                

   Maximum Today:

 38 % 01:04 71 %     96 % 2015      

   Minimum:

 36 % 07:39 49 %           14 % 2023

   Mean:

 37 %   60 % n/a % 45 % 2024 20 % 2023

   YESTERDAY:

   Sunday

Indoors

Time

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 25.3 °C 19:14 13.9 °C n/a °C 39.6 °C 2023 24.1 °C 2014

   Low:

 23.3 °C 06:49 8.3 °C n/a °C 37.1 °C 2023 19.9 °C 2014

   Mean Temperature:

 24.3 °C   11.1 °C n/a °C 38.4 °C 2023 22.0 °C 2014
 

   Maximum Humidex:

 27   19:14 n/a     41   2023      
 

   Maximum Dew Point:

 10.9 °C 12:44 12.5 °C   22.2 °C 2016        

   Minimum:

 7.9 °C 21:19 +3.3 °C         -0.8 °C 2020  

   Mean Dew Point:

 9.4 °C   7.9 °C n/a °C 15.6 °C 2017 +2.6 °C 2020  
 

   Maximum Relative Humidity:

 44 % 08:29 97 %     90 % 2016        

   Minimum:

 34 % 21:19 70 %           11 % 2023

   Mean:

 39 %   84 % n/a % 48 % 2015 14 % 2023
 

   TOMORROW:

   Tuesday

  

Normal

RecHi

YY

RecLo

YY

  

   High Temperature:

           n/a °C 39.6 °C 2023 24.9 °C 2014  

   Low:

     n/a °C 26.3 °C 2024 14.9 °C 2023  

   Mean Temperature:

     n/a °C 28.0 °C 2024 23.2 °C 2014  
 

   Maximum Humidex:

   46   2023  
 

   Dew Point:

   17.9 °C 2023 -5.6 °C 2023  

   Mean Dew Point:

   n/a °C 14.6 °C 2024 +3.8 °C 2020  
 

   Relative Humidity:

   52 % 2024 20 % 2023  

   Daily Mean RH:

   n/a % 44 % 2019 24 % 2023  
 

   THIS MONTH:

   May

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 26.1 °C 22.0 °C n/a °C 39.4 °C 2023 22.1 °C 2014

   Low Temperature:

 23.7 °C 10.0 °C n/a °C 25.2 °C 2014 9.5 °C 2023

   Mean Temperature:

 24.9 °C 16.0 °C n/a °C 26.3 °C 2014 20.9 °C 2014
 

   Mean Dew Point:

 7.5 °C 7.2 °C n/a °C 12.7 °C 2014 +0.3 °C 2023
 

   Mean Relative Humidity:

 34 % 63 % n/a % 48 % 2014 19 % 2023
 

   Daily Extremes + Records

Max

DD

Min

DD

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

 29.2 °C 16 24.2 °C 11 45.0 °C 2023-02 22.6 °C 2020-08

   Daily Low:

 25.3 °C 16 23.1 °C 01 39.6 °C 2023-25 -9.9 °C 2023-08

   Daily Mean:

 27.2 °C 16 23.8 °C 01 39.6 °C 2023-25 11.2 °C 2023-05
 

   Humidex:

 33   16       246   2023-22      
 

   Dew Point:

 15.2 °C 03 -1.9 °C 11 31.6 °C 2016-28 -35.6 °C 2023-10

   Daily Mean DP:

 13.6 °C 16 +1.8 °C 11 19.8 °C 2021-21 -15.2 °C 2023-09
 

   Relative Humidity:

 59 % 03 18 % 11 99 % 2016-27 3 % 2015-08

   Daily Mean RH:

 46 % 17 24 % 11 66 % 2021-21 12 % 2023-09
 

   LAST MONTH:

   April

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   High Temperature:

 24.6 °C 12.8 °C n/a °C 43.0 °C 2023 22.7 °C 2014

   Low Temperature:

 23.3 °C +1.4 °C n/a °C 23.3 °C 2025 19.8 °C 2014

   Mean Temperature:

 24.0 °C 7.1 °C n/a °C 32.8 °C 2023 21.8 °C 2020
 

   Mean Dew Point:

 +3.6 °C -0.7 °C n/a °C 6.9 °C 2018 -0.1 °C 2014
 

   Mean Relative Humidity:

 27 % 61 % n/a % 39 % 2014 19 % 2023
 

   Daily Extremes + Records

Max

DD

Min

DD

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

 26.4 °C 29 23.9 °C 01 45.0 °C 2023-03 22.4 °C 2020-22

   Daily Low:

 23.9 °C 29 22.8 °C 30 42.0 °C 2023-03 -8.9 °C 2023-30

   Daily Mean:

 25.2 °C 29 23.6 °C 01 43.5 °C 2023-03 12.4 °C 2020-17
 

   Humidex:

 29   29       69   2023-02      
 

   Dew Point:

 13.1 °C 29 -1.9 °C 07 24.3 °C 2023-02 -27.3 °C 2023-30

   Daily Mean DP:

 7.6 °C 29 +0.6 °C 17 12.4 °C 2023-02 -5.6 °C 2023-30
 

   Relative Humidity:

 44 % 29 18 % 20 91 % 2016-01 10 % 2023-02

   Daily Mean RH:

 34 % 29 22 % 17 55 % 2018-17 16 % 2023-02
 

   NEXT MONTH:

   June

  

Normal

RecHi

YY

RecLo

YY

   High Temperature:

   n/a °C 29.8 °C 2014 22.7 °C 2014

   Low Temperature:

   n/a °C 26.6 °C 2014 20.3 °C 2014

   Mean Temperature:

   n/a °C 27.8 °C 2014 21.7 °C 2014
 

   Mean Dew Point:

   n/a °C 15.8 °C 2014 5.3 °C 2014
 

   Mean Relative Humidity:

   n/a % 56 % 2014 27 % 2014
 

   Daily Records

  

RecHi

YY-DD

RecLo

YY-DD

   Daily High:

   35.3 °C 2018-29 22.8 °C 2017-27

   Daily Low:

   30.1 °C 2016-27 20.1 °C 2015-26

   Daily Mean:

   31.2 °C 2024-19 21.6 °C 2019-05
 

   Humidex:

   49   2016-27      
 

   Dew Point:

   29.7 °C 2016-27 -1.6 °C 2016-22

   Daily Mean DP:

   21.7 °C 2024-19 6.0 °C 2014-01
 

   Relative Humidity:

   95 % 2016-07 1 % 2016-18

   Daily Mean RH:

   64 % 2017-30 30 % 2021-10
 

   THIS YEAR:

   2025

Mean

Outdoors

Normal

RecHi

YY

RecLo

YY

   Daily High Temperature:

 24.3 °C +2.8 °C 0.0 °C 40.3 °C 2013 22.7 °C 2012

   Daily Low:

 23.2 °C -6.5 °C 0.0 °C 24.7 °C 2014 11.9 °C 2013

   Daily Mean:

 23.8 °C -1.8 °C 0.0 °C 26.9 °C 2013 20.5 °C 2013
 

   Mean Dew Point:

 +3.6 °C -7.4 °C n/a °C 15.4 °C 2013 -6.9 °C 2013
 

   Annual Mean RH:

 27 % 68 % n/a % 52 % 2014 21 % 2014
 

   Monthly Extremes + Records

Max

MM

Min

MM

RecHi

YY-MM

RecLo

YY-MM

   Daily High:

 24.6 °C Apr 24.2 °C Jan 89.0 °C 2013-Mar 20.0 °C 2013-Apr

   Daily Low:

 23.3 °C Jan 23.1 °C Mar 29.8 °C 2013-Jul -88.6 °C 2012-Aug

   Daily Mean Temperature::

 24.0 °C Apr 23.7 °C Feb 32.8 °C 2023-Apr +0.6 °C 2013-Apr
 

   Daily Mean Dew Point:

 +4.1 °C Feb +2.5 °C Mar 20.5 °C 2013-Jul -61.9 °C 2013-Apr
 

   Monthly Mean RH:

 28 % Jan 25 % Mar 167 % 2014-Jul 0 % 2012-Apr
 

   Daily Extremes + Records

Max

MM-DD

Min

MM-DD

RecHi

Date

RecLo

Date

   Daily High:

 29.2 °C May-16 23.7 °C Feb-01 45.0 °C 2023-04-03 22.4 °C 2020-04-22

   Daily Low:

 25.3 °C May-16 22.1 °C Mar-21 42.0 °C 2023-04-03 -8.9 °C 2023-04-30

   Daily Mean:

 27.2 °C May-16 23.0 °C Mar-21 43.5 °C 2023-04-03 12.4 °C 2020-04-17
 

   Humidex:

 33   May-16       69   2023-04-02      
 

   Dew Point:

 15.2 °C May-03 -4.8 °C Mar-21 24.3 °C 2023-04-02 -27.3 °C 2023-04-30

   Daily Mean DP:

 13.6 °C May-16 -1.0 °C Mar-21 12.4 °C 2023-04-02 -5.6 °C 2023-04-30
 

   Relative Humidity:

 59 % May-03 16 % Mar-21 99 % 2016-05-27 1 % 2015-07-01

   Daily Mean RH:

 59 % May-03 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: