This week in Salt Lake City, expect a rollercoaster of temperatures from scorching daytime highs to refreshingly cool nights. Get the full details and how to prepare with our comprehensive weekly forecast.

Welcome to your detailed weather guide for Salt Lake City! As we navigate through the week, temperatures will oscillate dramatically. Experience highs soaring above 100°F and evening temperatures that invite you to cozy up. Our week includes potential rainfall from a Pacific cold front and fluctuating UV indexes. Whether you’re planning outdoor activities or wondering about travel impacts due to weather, we’ve got you covered. Dive into our daily breakdown and stay ahead of the weather game.
The Southwest region is mostly enjoying clear skies, but some rain is approaching the coast near Redding providing a much-needed break from dry conditions. Ely and Flagstaff are seeing isolated areas of precipitation. Las Vegas and Phoenix remain dry with warm conditions. San Francisco and Los Angeles are experiencing partly cloudy skies, contributing to a relatively pleasant start to the evening.
This evening in Salt Lake City, expect cloudy skies with temperatures cooling from 88 degrees at 9 PM to 78 degrees by 1 AM. Winds will shift from northwest at 9 miles per hour to a gentle breeze out of the east by midnight. The mostly cloudy conditions persist, providing a cozy backdrop for late-night activities.
Tonight, Los Angeles will cool down to 61 degrees. Expect a chilly low of 48 in Flagstaff, making it one of the coldest spots in the Southwest. Las Vegas stays warmer at 78, but that’s a notable drop compared to recent nights. Cedar City will see a low of 56, keeping things mild but cooler than usual.
Tomorrow in Phoenix, expect a scorching high of 110 degrees, significantly above the seasonal average. Las Vegas will see even hotter temperatures, climbing to 107 degrees as a high, indicating a pattern of sustained heat in the region. Bakersfield is set to reach 96 degrees, also above normal for this time of year. In contrast, San Francisco will enjoy a much cooler high of 70 degrees, demonstrating the temperature variation within the Southwest. Fresno anticipates a high of 95 degrees, confirming that many areas will be sweltering under a strong ridge of high pressure.
Get ready for a weather change in the Southwest as a cold front approaches from the Pacific. Expect scattered showers along the California coast, particularly affecting the San Francisco Bay area by tomorrow afternoon. This will extend to parts of Nevada, where rain and wind may impact travel. Temperatures are anticipated to drop slightly behind the front, leading to cooler days by mid-week.
The UV index in Salt Lake City on Monday will be high at 7, with a burn time of about 20 minutes in direct sunlight. Expect an increase on Tuesday, as the index jumps to 9, reducing the burn time to just 15 minutes.
For the 7-day outlook for Salt Lake City: Monday: Prepare for a cloudy day with a high of 92 degrees and a low of 66 degrees. Tuesday: Clear skies with the temperature reaching a high of 87 degrees and cooling to 63 degrees overnight. Wednesday: More sunshine on the way with a warm high of 94 degrees and a low of 67 degrees. Thursday: Expect clear weather with a scorching high of 102 degrees, and the temperature drops to 71 degrees at night. Friday: Clear skies continue, the temperature will reach a high of 98 degrees and a low of 63 degrees. Saturday: The temperature cools a bit under clear skies, with a high of 85 degrees and a low of 51 degrees. Sunday: Wrapping up the week with clear skies and cooler weather, expect a high of 73 degrees and a low of 49 degrees.