Location: North Willow Glen, San Jose, Ca, USA
Altitude: 125 feet, Grid 37°18.544 , 121°54.521
Arduino based Weather Station
| Last Update | 12/15/25 4:29 PM |
|---|---|
| Outdoor Temperature | 52.1 °F (11.1 °C) |
| Relative Humidity % | 81 % |
| Outdoor Temperature Difference from 24 Hours ago | 2.2 °F |
| Outdoor Temperature Change per Hour | 0.6 °F/Hr |
| Dewpoint | 46.5 °F |
| Heat Wind Humidity Index | 51.5 °F |
| Maximum Temperature since midnight | 53.1 °F at: 4:10 PM |
|---|---|
| Minimum Temperature since midnight | 43.5 °F at: 6:30 AM |
| Maximum Temperature in the last 24 hours | 52.8 °F at: 4:05 PM today |
| Minimum Temperature in the last 24 hours | 41.6 °F at: 10:17 PM yesterday |
| Maximum Temperature yesterday | 50.5 °F at: 2:09 PM |
| Minimum Temperature yesterday | 40.4 °F at: 1:27 AM |
| Meteorlogical Mean Temperature Yesterday | 45.4 °F |
| True Mean Temperature Yesterday | 45.4 °F |
| Growing degree days Yesterday | 0.2 °F |
|---|---|
| Chill hours Today | 9:19 hrs |
| Chill hours Yesterday | 12:36 hrs |
| Heating degree days Yesterday | 19.6 °F |
| Maximum Temperature last 7 days | 57.1 °F at: 12/10/25 3:22 PM |
| Minimum Temperature last 7 days | 36.4 °F at: 12/13/25 7:00 AM |
| Cloudbase | 1410 feet MSL |
| Zero °C Isotherm | 5090 feet MSL |
| Relative Humidity Reading % | 81 % |
| Dewpoint Reading | 47.7 °F |
| Natural Wet Bulb temperature (estimated) | 50.8 °F |
| Growing degree days mean temperature Yesterday | 50.2 °F |
| Grow hours Today | 1:29 hrs |
| Grow hours Yesterday | 2:30 hrs |
| True Grow degree-days Today | 0.10 °F degree-days |
| True Grow degree-days Yesterday | 0.03 °F degree-days |
OpenJ2300 (c) Dennis Ernst OpenJ2300
OpenJ2300 (c) David George OpenJ2300