This evening, Phoenix promises a perfect setting for stargazers, while the daytime brings warm temperatures ideal for outdoor activities. Read on for a detailed 7-day forecast and safety tips!

Welcome to our detailed coverage of the Southwest’s weather forecast. Whether you’re planning a night of stargazing or scheduling daytime outdoor adventures, this guide is your go-to for understanding weather trends. Phoenix enjoys clear skies tonight, while ensuring UV protection during the day is crucial. Dive into our comprehensive 7-day forecast and discover how to maximize the beautiful weather and stay safe under the high UV index.
A line of rain showers is sweeping down from Redding towards Fresno, with pockets of heavier precipitation centered around these locations. Snow is falling in the higher elevations near Ely, bringing winter conditions to the region. Ely and Cedar City are observing snowflakes from current high elevation snow showers. As these systems move, Phoenix and Las Vegas remain dry and clear. Meanwhile, Salt Lake City is seeing light rain showers moving through.
This evening in Phoenix, temperatures will begin at a warm 88 degrees by 8 PM and gradually decrease to 80 degrees by midnight. Skies will remain clear throughout, providing a perfect night-time view. Expect gentle winds shifting from the west at 10 miles per hour earlier in the evening, dropping to 9 miles per hour by 10 PM and settling at 10 miles per hour from the west-southwest around midnight.
Expect a brisk 35 degrees in Flagstaff tonight, while Ely will also see a low of 36. Las Vegas will stay warmer at 62 degrees, but farther west, Los Angeles dips to a cool 52. San Francisco will reach 50, and Fresno is forecasted for a low of 50 as well. Keep an eye out for those lows, especially in the higher elevations where temperatures are more pronounced.
The high temperatures for the Southwest region are notably above average tomorrow. Los Angeles will see a comfortable high of 61 degrees, and San Diego will be slightly cooler at 63 degrees. Bakersfield is projected to peak at 72 degrees, while Fresno will hit 69 degrees.
A high-pressure system will keep the Southwest under clear skies and sunshine tomorrow, perfect for outdoor plans with warm daytime highs. However, regions along the coast will experience increasing cloudiness as a frontal system begins to impact Northern California, bringing valley rain and mountain snow. Expect gusty winds in the mountain passes, creating potentially hazardous travel conditions. Southern areas like San Diego and Los Angeles remain dry, but monitor for coastal fog early in the morning.
The UV index in Phoenix will be at a very high level of 9 on both Thursday and Friday, meaning you’ll want to take extra precautions against sun exposure. A burn can occur in just 15 minutes, so ensure you’re applying sunscreen regularly, wearing hats and sunglasses, and seeking shade when necessary.
For the 7 day forecast in Phoenix: Thursday: Enjoy a sunny day with a high of 91 degrees, cooling to 65 degrees overnight. Friday: Expect warmth to continue with clear skies, highs around 93 degrees and lows at 63 degrees. Saturday: The sun persists with a high of 89 degrees, dipping to 60 degrees by night. Sunday: Clear conditions continue with the day reaching 79 degrees, and a low of 57 degrees. Monday: Sunshine dominates, bringing a high of 83 degrees and a low of 61 degrees. Tuesday: Warming back up to 90 degrees under clear skies, night temperatures fall to 65 degrees. Wednesday: The week closes with mostly clear conditions, reaching up to 93 degrees and a low of 67 degrees.