Phoenix is heating up under sunny skies Tuesday, with dry air and afternoon highs near 86°F making it feel a bit tougher outside than the numbers alone suggest. Relative humidity will tumble into the teens this afternoon, so even routine outdoor chores could feel extra draining. Overnight, temperatures back off only gradually, with lows in the upper 50s keeping things on the mild side.
Today and Tonight
Expect wall-to-wall sunshine through the day and a high near 86°F, easing off just a couple of degrees late in the afternoon. Southwest winds stay on the gentle side, around 0 to 5 mph. Skies remain mostly clear tonight, and temperatures should dip to about 57°F before sunrise. If you are working or exercising outside this afternoon, build in water and shade breaks so you do not get caught off guard by the dry heat.
Late Week: Wind and Cooler Temperatures
Later this week a dry weather system swings by and knocks daytime highs down a notch. Temperatures slide into the mid to upper 70s on Thursday, then bottom out in the low to mid 70s on Friday. It will not be calm, either, with gusts up to about 25 mph possible on Thursday. Morning humidity recovery should be fair, but afternoon relative humidity in the 10 to 15 percent range will raise the risk from any sparks when using yard tools or equipment. Forecasters expect breezy, drier afternoons Thursday and Friday and recommend postponing open burning or any spark-producing projects if you can, according to the National Weather Service Phoenix.
Weekend And Early Next Week
Looking ahead, forecast models point to a cutoff low that could stall near Baja over the weekend and nudge a slight chance of light showers into the region by Sunday night and Monday. Probabilities of precipitation in the Valley are modest, around 20 percent. Confidence in the details is still low, and most residents should not count on measurable rain, so it is worth checking back for updates if you have outdoor plans late in the weekend.
Heat Relief And Safety
Even with that brief cooldown, the combination of daytime warmth and very low humidity keeps heat safety on the table. The City of Phoenix operates a Heat Relief Network and a 24/7 downtown respite site at 20 W Jackson St for anyone who needs air conditioning, water or other services, according to the City of Phoenix Heat Relief Network. If you are scheduling outdoor work, aim for morning or evening hours, carry plenty of water, and check in on older neighbors and pets.
Bottom line: look for sunny mid 80s today, a cooler and breezier stretch Thursday and Friday, and only a slight shot at showers by Monday. For the latest forecast details and any changes, keep an eye on the National Weather Service and local cooling center hours before you head out.
