Up-to-date weather details for Salt Lake City and surrounding areas including predictions of stargazing conditions and temperature shifts across the Southwest. Read more about what to expect in your local weather.

This detailed post dives into the meteorological conditions expected on July 22, 2025, across the Southwest, highlighting temperature variations, incoming weather systems, and the best times for stargazing in Salt Lake City. Covering potential impacts of weather on daily activities and precautionary measures for outdoor ventures, this post provides everything needed to stay informed and prepared.
A powerful weather system is sweeping across the Southwest with impactful weather events marked on the radar. In California, Redding is experiencing mixed precipitation that could shift as storms make their way southward. Meanwhile, Fresno and Bakersfield are under heavy rainfall, contributing to much-needed precipitation for the region. Farther east, the skies remain clear for Las Vegas and Phoenix.
This evening in Salt Lake City, partly cloudy skies will give way to mostly clear conditions by 11 PM. Temperatures will cool from 89 degrees at 9 PM to 78 degrees by 1 AM. Expect light winds shifting from northwest to southeast overnight. Great evening for stargazing as skies clear up.
Tonight, Las Vegas will cool down to 56 degrees, while Flagstaff sees a chilly low of 48. In Southern California, Los Angeles is expected to hit 59 degrees, and San Diego will sit at a mild 63. Meanwhile, Fresno will drop to 60, with Bakersfield not far behind at 65.
Tomorrow in Phoenix, high temperatures soar to an intense 104 degrees, well above the average for this time of year. Las Vegas is set to reach a scorching 100 degrees, consistent with the heat gripping the Southwest. In Bakersfield, temperatures climb to 92 degrees, while Fresno warms up to a hot 90 degrees. San Diego will enjoy a milder day at 76 degrees, slightly below normal but still pleasant. Lastly, San Francisco remains cooler at 66 degrees, influenced by coastal breezes.
Expect a sunny and dry pattern across much of the Southwest tomorrow, but keep an eye on the skies in Southern California. Starting late Tuesday into Wednesday, isolated showers are anticipated in the San Bernardino Valley, with the potential for heavy rain leading to slick road conditions over mountain passes. Arizona and New Mexico remain mostly clear, with temperatures steadily climbing into the low 90s by afternoon. No severe weather is expected. High pressure dominates, ensuring mostly dry skies and warm temperatures through the end of the week.
Salt Lake City’s UV index will be very high at 9 on both Tuesday and Wednesday, with a burn time of just 15 minutes. Take precautions if spending time outdoors by applying sunscreen, wearing broad-brimmed hats, and seeking shade. Cloud cover will have minimal impact on UV exposure, so stay protected!
For the 7-day forecast in Salt Lake City: Tuesday: Enjoy partly cloudy skies with temperatures reaching a high of 90 degrees and a low of 67 degrees. Wednesday: The skies clear up a bit, offering mostly clear weather with a high of 91 degrees and a low of 67 degrees. Thursday: Continue the clear trend with a high climbing to 92 degrees, with temperatures dipping to 67 degrees overnight. Friday: Expect partly cloudy conditions with a high of 94 degrees, and the low settling around 68 degrees. Saturday: Clear skies return, bringing a high of 93 degrees and a low of 67 degrees. Sunday: Bask in clear skies with the temperature peaking at 96 degrees, cooling down to 68 degrees at night. Monday: Partly cloudy conditions wrap up the week, with daytime highs hitting 98 degrees and lows around 70 degrees. Hope this helps with your planning! Stay cool!