Arizona – Bright desert sun is already pushing temperatures higher, and the dry air will accelerate heating through the afternoon, setting up a steady march toward 90-degree heat across Tucson.
According to the National Weather Service in Tucson, highs reach around 83 degrees today under clear skies, with light winds becoming northwest at 5 to 10 mph. The warming trend continues quickly, with temperatures climbing to 89 degrees Saturday and peaking near 91 degrees by Sunday .
Tucson, Oro Valley, and Marana will see excellent visibility and dry roads, but heat will become the main concern. Outdoor plans should shift to earlier or later in the day to avoid peak afternoon sun. Hydration is key, especially for hikers and anyone spending extended time outside.
Evenings offer some relief, with lows dropping into the 50s and low 60s. Still, the warming trend holds firm into early next week, with highs staying near or above 90 degrees through Monday and Tuesday.
This pattern reflects a broader Southwest warmup, with above-normal temperatures expanding and dry conditions persisting. Fire weather concerns may increase as fuels dry out and occasional breezes develop.
Looking ahead, temperatures ease slightly by midweek but remain warm and sunny. No rain is expected, keeping skies clear and conditions stable.
Spending time outside this weekend? How are you handling the first push toward summer heat?
Five Day Forecast for Tucson, Arizona
Saturday: Sunny, high 89°F
Sunday: Mostly sunny, high 91°F
Monday: Sunny, high 91°F
Tuesday: Sunny, high 93°F
Wednesday: Sunny, high 88°F
