Frequently Asked Questions

Currently 66°F in San Jacinto, California, USA

Friday, April 19, 2024 11:34 AM PDT

Frequently Asked Questions

Updated May, 2015

Below are the questions that are asked the most about the San Jacinto site. Didn't find your question here? Try the Hemet F.A.Q. or Ask!

Where is the San Jacinto weather station located?

At Mountain View High School, atop a flag pole.

Where was the San Jacinto weather station located previously?

Until 2011, near State Street and Dillon.

How variable are temperatures other areas of the Hemet and San Jacinto?

The variances can be wide. Hemet and the San Jacinto Valley have very diverse microclimates. The current weather station location is in an area that frequently experiences warmer mornings than much of the rest of the San Jacinto Valley. The station’s elevation is higher than most of the valley and is influenced by upslope air movement and winds that many other areas of the valley don’t experience.

For many people with backyard thermometers, they may notice large differences from our reported high and low temperatures. The San Jacinto and Hemet weather sites use calibrated, aspirated, solar shielded equipment and is designed to be put out in the open. Unshielded thermometers, car thermometers, and like equipment are much more inaccurate. Outdoor thermometers are to be sited at least six feet off the ground and at least 15 feet from any structure. Without solar shielding they are also to be placed in a shaded area with no more than 20% solar exposure at any time.

Is the air quality monitored in Hemet or San Jacinto?

The South Coast Air Quality Monitoring District is responsible for monitoring air quality in Riverside County. They don't have equipment in the San Jacinto Valley right now; the closest monitoring stations are in Perris and up in the pass area.

The fact that they don't have one in the area is a good thing. It means that there aren't significant air quality problems in Hemet and San Jacinto (at least relatively speaking).