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

Temperature

Last Update 7/3/25 8:50 AM
Outdoor Temperature 61.0 °F (16.1 °C)
Relative Humidity % 75 %
Outdoor Temperature Difference from 24 Hours ago -4.4 °F
Outdoor Temperature Change per Hour 2.5 °F/Hr
Dewpoint 53.2 °F
Heat Wind Humidity Index 62.3 °F

Maximum Temperature since midnight 61.8 °F at: 8:33 AM
Minimum Temperature since midnight 53.9 °F at: 6:00 AM
Maximum Temperature in the last 24 hours 82.5 °F at: 1:11 PM yesterday
Minimum Temperature in the last 24 hours 53.9 °F at: 6:00 AM today
Maximum Temperature yesterday 82.5 °F at: 1:11 PM
Minimum Temperature yesterday 59.7 °F at: 2:30 AM
Meteorlogical Mean Temperature Yesterday 71.1 °F
True Mean Temperature Yesterday 68.0 °F

Growing degree days Yesterday 21.1 °F
Cooling degree days Yesterday 6.1 °F
Maximum Temperature last 7 days 90.0 °F at: 6/28/25 2:54 PM
Minimum Temperature last 7 days 53.9 °F at: 6:00 AM today
Cloudbase 1942 feet MSL
Zero °C Isotherm 7331 feet MSL
Relative Humidity Reading % 75 %
Dewpoint Reading 54.4 °F
Natural Wet Bulb temperature (estimated) 58.8 °F
Growing degree days mean temperature Yesterday 71.1 °F
Grow hours Today 8:43 hrs
Grow hours Yesterday 23:58 hrs
True Grow degree-days Today 2.47 °F degree-days
True Grow degree-days Yesterday 18.03 °F degree-days

Today is 4.4 °F cooler than yesterday at this time.

Charts updated at 7/3/25 8:48 AM
outdoor temperature day-to-day change

outdoor temperature 24 hour timescale

outdoor temperature 7 day timescale

outdoor humidity 24 hour timescale

outdoor humidity 7 day timescale

zero isotherm 24 hour timescale

zero isotherm 7 day timescale


OpenJ2300 (c) Dennis Ernst OpenJ2300
OpenJ2300 (c) David George OpenJ2300