Phoenix wakes up hot, dry and already a little feisty on Tuesday, June 30, 2026, with Sky Harbor sitting near 77°F and dew points in the mid 20s, which is about as parched as it sounds. The day will crank up toward a high around 100°F, then only back off to roughly 75°F overnight. Gusty winds will build through the afternoon, and paired with very low humidity they keep fire danger solidly elevated. If you have yard work or workouts on the agenda, front-load them into the morning and keep the water bottle close.
The National Weather Service office in Phoenix is calling for that near 100°F high on Tuesday and is flagging gusts of about 20 to 30 mph in higher terrain and along the Lower Colorado River valley. Forecasters are also highlighting elevated fire weather concerns tied to the dry air and those breezy afternoons, according to the National Weather Service.
Afternoon Winds Pick Up
Southerly winds will ramp up as the day wears on, then swing westerly later this afternoon and evening. Around the Valley floor, expect gusts of roughly 10 to 20 mph, while spots in the higher terrain east and north of Phoenix could see stronger 20 to 30 mph bursts. That will be enough to kick up brief dust and knock down visibility on desert roads, especially on rural stretches, so drivers should ease off the gas when the wind kicks in. Fire crews note that very dry fuels paired with this gusty pattern keep the region in an elevated fire weather state, so skip outdoor burning and avoid any activities that could spark ignition.
Hotter By The Holiday Weekend
Today’s heat is just the opening act. A gradual warming trend later this week should push highs to around 103°F by Thursday, then into the mid 100s over the Fourth of July weekend, with readings near 106°F on Saturday and climbing into the upper 100s Sunday and Monday. Overnight lows will linger in the mid 70s to mid 80s, which means limited relief once the sun goes down. Those numbers line up with the latest outlook from the National Weather Service.
Where To Cool Off
The City of Phoenix runs a Heat Relief Network that includes cooling centers, hydration stations and a downtown 24/7 respite site for those who need a break from the blast furnace. Residents can call 2-1-1 or check the city’s listings for locations and hours. For this week’s options, see the cooling-center information from the City of Phoenix.
For a bit of context on Monday’s brief relief and the gusty pattern, check out how Phoenix hit the low triple digits as a rare cooldown teased the Valley. We will post updates if any watches or advisories are issued that affect metro Phoenix, so be sure to check forecasts before making outdoor plans.
