Location: North Willow Glen, San Jose, Ca, USA
Altitude: 125 feet, Grid 37°18.544 , 121°54.521
Arduino based Weather Station

Long Term Weather

Last Update 7/3/25 7:28 AM
Mean Temperature Yesterday 71.1 °F
True Mean Temperature Yesterday 68.0 °F
Mean Temperature last 7 days 69.3 °F
Mean Temperature this month 68.4 °F
Mean Temperature last 30 days 65.9 °F
Mean Temperature last month 66.2 °F
Mean Temperature last 60 days 65.4 °F
Mean Temperature last 90 days 63.9 °F

Maximum Temperature last 7 days 90.0 °F at: 6/28/25 2:54 PM
Minimum Temperature last 7 days 54.0 °F at: 6/26/25 6:00 AM
Maximum Temperature this month 82.5 °F at: 7/2/25 1:11 PM
Minimum Temperature this month 56.6 °F at: 7/1/25 6:00 AM
Maximum Temperature last 30 days 90.0 °F at: 6/28/25 2:54 PM
Minimum Temperature last 30 days 50.3 °F at: 6/12/25 6:00 AM
Maximum Temperature last month 93.7 °F at: 5/31/25 2:32 PM
Minimum Temperature last month 50.3 °F at: 6/12/25 6:00 AM
Maximum Temperature last 60 days 93.7 °F at: 5/31/25 2:32 PM
Minimum Temperature last 60 days 48.5 °F at: 5/4/25 7:25 AM
Maximum Temperature last 90 days 93.7 °F at: 5/31/25 2:32 PM
Minimum Temperature last 90 days 43.8 °F at: 4/4/25 7:00 AM

Rainfall last 90 days 0.02 In
Total Rainfall since 10/1/24 12:00 AM 8.81 In
Total Rainfall last year to date 0.00 In
Total Rainfall entire last year 8.81 In

Growing degree days measures the time each day spent in the ideal plant growth range¹
Growing degree days last 7 days 157.7 °F
Growing degree days this month 40.6 °F
Growing degree days last 30 days 508.6 °F
Growing degree days last month 530.0 °F
Growing degree days last 60 days 983.3 °F
Growing degree days last 90 days 1298.8 °F
Growing degree days this season 1943.2 °F
Growing degree days last season to date 2174.4 °F
Growing degree days entire last season 4976.9 °F
¹ Between 50 °F and 86 °F

Heating degree days estimates the heat required each day²
Heating degree days last 7 days 1.1 °F
Heating degree days this month 0.0 °F
Heating degree days last 30 days 21.7 °F
Heating degree days last month 22.3 °F
Heating degree days last 60 days 71.8 °F
Heating degree days last 90 days 192.9 °F
Heating degree days this season 0.0 °F
Heating degree days last season to date 0.0 °F
Heating degree days entire last season 2155.1 °F
² Degree-hours below 65 °F

Cooling degree days estimates the air conditioning required each day³
Cooling degree days last 7 days 30.4 °F
Cooling degree days this month 6.8 °F
Cooling degree days last 30 days 47.8 °F
Cooling degree days last month 56.5 °F
Cooling degree days last 60 days 96.4 °F
Cooling degree days last 90 days 97.4 °F
Cooling degree days this season 105.7 °F
Cooling degree days last season to date 341.1 °F
Cooling degree days entire last season 1065.2 °F
³ Degree-hours above 65 °F

Chill hours measures the time each day spent below 45 °F
Chill hours yesterday 0.00 hrs
Chill hours last 90 days 2.44 hrs
Chill hours this season 613.35 hrs
Chill hours last season to date 0.00 hrs
Chill hours entire last season 1342.78 hrs
Non-Freezing Chill hours this season 613.35 hrs
Non-Freezing Chill hours last season to date 0.00 hrs
Non-Freezing Chill hours entire last season 1342.78 hrs


outdoor temperature for the last 366 days


Wind gust for the last 366 days


rainfall for the last 366 days


Growing Degree Days for the last 366 days


Heating Degree Days for the last 366 days


Cooling Degree Days for the last 366 days


Chill Hours for the last 366 days

OpenJ2300 (c) Dennis Ernst OpenJ2300