This week in Los Angeles: clear skies and pleasant temperatures set for serene evenings, while the days heat up to sizzling highs. Read on for our full weather outlook.

The vibrant city of Los Angeles witnesses a notable shift in weather this week, from clear calm evenings to days under a scorching sun. Along with a detailed day-by-day forecast, we delve into seasonal weather patterns and provide practical advice for LA residents to stay cool and safe. Full details on expected temperatures, weather shifts, and safety tips inside.
The regional radar reveals that weather across the Southwest is quite varied. Showers are approaching the California coastline, bringing some relief from ongoing dry conditions, with coastal areas near San Francisco starting to see rain. Las Vegas, on the other hand, remains predominantly dry with clear skies. Flagstaff is witnessing sporadic light rain, while Salt Lake City experiences overcast conditions without immediate precipitation prospects.
For this evening in Los Angeles, expect temperatures to gradually decrease from 75 degrees at 9 PM to 64 degrees by 1 AM. Winds will be coming from the south-southwest at 8 mph, calming to 4 mph overnight. Initially, clear sunny skies will transition to mostly sunny conditions, and then become partly cloudy as the night progresses.
Tonight, Flagstaff will drop to a chilly 55 degrees, while Phoenix will see a warm low of 90. Las Vegas is expected to cool down to 84 degrees. In Los Angeles, temperatures will dip to 58 degrees, and Bakersfield should fall to 71 degrees. San Francisco rounds out the evening with a low of 54.
Tomorrow, Phoenix is expected to swelter with a high of 112 degrees, significantly above average for this time of year. Las Vegas will also be toasty at 107 degrees, while Bakersfield warms up to 102. Fresno isn’t far behind at 101 degrees, ensuring a hot day across the south-central region. Coastal areas like Los Angeles will experience a relatively mild 79 degrees, creating a stark contrast to the inland heat waves.
A ridge of high pressure brings dry and warm conditions to the Southwest tomorrow, with temperatures reaching the mid-90s in Phoenix and Las Vegas. Coastal areas of Southern California will see mild weather with highs in the upper 70s. Monsoon moisture may trigger isolated afternoon thunderstorms in eastern Arizona and New Mexico. Be cautious of localized flash flooding in areas with heavier showers.
The UV index in Los Angeles is very high today with a value of 10, leading to a burn time of just 12 minutes in direct sunlight. For Tuesday, expect an even higher index of 11, with exposure risks increasing, resulting in a burn time of around 11 minutes.
Monday: Mostly cloudy with a high of 71 degrees and a low of 61 degrees. Tuesday: Expect partly cloudy skies with temperatures reaching up to 70 degrees and a low of 61 degrees. Wednesday: Another partly cloudy day, with highs around 70 degrees and dipping to 60 degrees at night. Thursday: Look forward to mostly clear skies, with a high of 71 degrees and a low of 62 degrees. Friday: Mostly clear conditions continue, with temperatures peaking at 72 degrees and a low of 62 degrees. Saturday: Enjoy mostly clear skies with a high of 74 degrees and a low of 61 degrees. Sunday: The week concludes with mostly clear conditions, a high of 74 degrees, and a low of 62 degrees.