Residents across Arizona can look forward to a pleasant weekend with abundant sunshine and comfortable temperatures. Here’s a detailed forecast for key cities:

Phoenix
- Friday, January 17: Mostly sunny and cooler, with a high of 66°F (19°C) and a low of 41°F (5°C).
- Saturday, January 18: Sunny skies, high around 65°F (19°C), low near 39°F (4°C).
- Sunday, January 19: Plenty of sunshine, high of 65°F (18°C), low of 38°F (3°C).
Tucson
- Friday, January 17: Sunny, high of 63°F (17°C), low of 35°F (2°C).
- Saturday, January 18: Abundant sunshine, high around 63°F (17°C), low near 36°F (2°C).
- Sunday, January 19: Sunny, high of 66°F (19°C), low of 37°F (3°C).
Flagstaff
- Friday, January 17: Breezy with some clouds, then sunshine, high of 46°F (8°C), low of 24°F (-4°C).
- Saturday, January 18: Plenty of sun; breezy in the afternoon, high around 46°F (8°C), low near 8°F (-14°C).
- Sunday, January 19: Sunny; breezy in the afternoon, high of 47°F (8°C), low of 13°F (-10°C).
Tips for the Weekend
- Dress in Layers: Mornings and evenings will be cool, especially in Flagstaff, so layering will help you stay comfortable throughout the day.
- Stay Hydrated: Even with mild temperatures, it’s important to drink plenty of water, particularly if you’re spending time outdoors.
- Sun Protection: With clear skies, UV levels can still be significant. Don’t forget to apply sunscreen and wear protective clothing when outside.

Overall, it’s an ideal weekend for outdoor activities across Arizona. Enjoy the pleasant weather and stay safe!