Weather
Mesa, AZ Weather Oct. 17–21: Rain Chance, Then 88° Monday
MESA, AZ — Mesa is heading into a breezy weekend with a slight chance of showers Saturday before sunshine returns and temperatures climb toward the upper 80s early next week.
By Wesley Grant · 2026-10-14T10:44:05.809Z
MESA, AZ — Mesa is heading into a breezy weekend with a slight chance of showers Saturday before sunshine returns and temperatures climb toward the upper 80s early next week.
According to the National Weather Service in Phoenix, Saturday, Oct. 17, will bring a 20% chance of showers, mostly sunny skies and an afternoon high near 80 degrees. Easterly winds could gust as high as 25 mph, adding another change to the weekend weather.
The unsettled conditions follow a warmer stretch Thursday and Friday, when temperatures are expected to reach the upper 80s and winds could gust as high as 30 mph.
By Sunday, however, the forecast shifts toward calmer, sunnier conditions, beginning a warming trend that continues into Monday.
Breezy Saturday Brings Slight Rain Chance Saturday represents the coolest afternoon in Mesa's five day outlook, with temperatures approximately eight degrees below Monday's projected high.
The National Weather Service expects easterly winds of 10 to 15 mph, with gusts reaching 25 mph.
Although showers are possible, the 20% precipitation probability means dry conditions remain the more likely outcome at the forecast location.
Residents planning outdoor activities Saturday may encounter breezy conditions, particularly in exposed areas.
Saturday night should become partly cloudy, with temperatures falling to around 64 degrees.
Sunshine Returns, Temperatures Climb Sunday brings a noticeable improvement, with sunny skies and temperatures reaching approximately 85 degrees.
Winds should also ease, with light northeasterly flow becoming calm during the afternoon.
The warming trend continues Monday, when Mesa is expected to reach 88 degrees under sunny skies.
That represents an eight degree increase from Saturday, restoring the warmer afternoon conditions expected earlier in the week.
Overnight temperatures will remain milder as well, with lows climbing into the upper 60s by Monday night.
Tuesday should remain sunny, with temperatures near 87 degrees. Winds could gust as high as 20 mph during the afternoon.
The supplied National Weather Service forecast contains no additional precipitation chances after Saturday through Tuesday.
Five Day Weather Outlook: Oct. 17–21 Temperatures below represent National Weather Service forecasts for Mesa, Arizona.
Saturday, Oct. 17: Mostly sunny with a 20% chance of showers. High near 80°. Breezy, with easterly wind gusts up to 25 mph. Partly cloudy overnight, with a low around 64°. Sunday, Oct. 18: Sunny and warmer, with a high near 85°. Northeasterly winds around 5 mph becoming calm during the afternoon. Mostly clear overnight, with a low around 66°. Monday, Oct. 19: Sunny and warm, with a high near 88°. Light winds becoming southerly during the afternoon. Mostly clear overnight, with a low around 68°. Tuesday, Oct. 20: Sunny, with a high near 87°. Easterly winds of 5 to 10 mph becoming southerly, with gusts potentially reaching 20 mph. Overnight forecast unavailable.