Tomorrow in Salt Lake City: Expect a sunny morning with temperatures starting at 69°F, climbing to 77°F by midday. Full details on our blog!

Welcome to our detailed weather forecast for Salt Lake City on August 18, 2025. The day begins with clear skies and gentle winds, with temperatures at a comfortable 69 degrees by 9 AM. As the morning progresses, expect a warm-up with temperatures reaching 77 degrees by 11 AM. Besides Salt Lake City’s forecast, this blog also covers surrounding areas with different weather conditions providing a comprehensive outlook for the entire region. For further insights, don’t miss our detailed updates on UV index and tips for staying safe in the sun. Read more: https://amyfreeze.ai/
A line of rain is sweeping through Central California with heavier showers near Fresno and Bakersfield, offering some relief to the region. San Francisco and Los Angeles remain clear with dry conditions persisting. Cedar City and Flagstaff can anticipate cloudy skies with a chance of light precipitation moving in later tonight.
Salt Lake City’s morning will start with temperatures at 69 degrees by 9 AM, with gentle winds from the east-southeast. Sunshine dominates the sky, with temperatures rising to 77 degrees by 11 AM as winds shift slightly from the southeast. Expect a progressive warm-up heading into the afternoon.
Tomorrow in Las Vegas, expect a scorching high of 107 degrees, continuing the trend of above-average temperatures in the region. Phoenix will see even hotter conditions with a high reaching 109 degrees. Over in Fresno and Bakersfield, temperatures will be warmer than typical, peaking at 96 degrees. San Diego can anticipate a pleasant high of 82 degrees, which is a bit below the seasonal norm. San Francisco remains cooler at 69 degrees, showcasing the varied climate across the Southwest.
A high-pressure system will maintain clear and sunny conditions across much of the Southwest. Temperatures in cities like Las Vegas and Phoenix will hover in the upper 90s to low 100s, typical for this time of year. However, keep an eye on Fresno and Bakersfield, as isolated thunderstorms could bring brief downpours, mainly in the late afternoon and evening. For the mountains near Flagstaff and Ely, expect cooler temperatures with a chance of scattered showers. No significant weather shifts or severe weather threats are anticipated over the next 24 to 48 hours.
Expect a high UV index of 8 in Salt Lake City today, with potential sunburn in just 17 minutes.
Tuesday: Experience a hot day with a high of 100 degrees and a low of 73 degrees. Sunny skies expected throughout. Wednesday: Another hot day, with temperatures reaching up to 99 degrees and a low of 73 degrees, staying clear and sunny. Thursday: A bit of cooling with a high of 96 degrees, while the low dips to 71 degrees. Skies remain sunny. Friday: A continued warm trend with a high of 97 degrees and a low of 73 degrees. Expect sunny conditions. Saturday: Cooling slightly to 95 degrees with a low of 71 degrees under partly cloudy skies. Sunday: A mix of sun and clouds with a high of 90 degrees and an overnight low of 68 degrees. Monday: Partly cloudy skies as temperatures decrease further to a high of 87 degrees and a low of 66 degrees.