Harman US

Phoenix, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Phoenix, a city in Maricopa County, Arizona.

Overnight
88°F
Mostly Clear
Mostly clear. Low around 88, with temperatures rising to around 90 overnight. East northeast wind around 5 mph.

7-day forecast for Phoenix

WhenTempForecastWindPrecip
Overnight 88°F Mostly Clear 5 mph ENE 1%
Tuesday 109°F Sunny 0 to 10 mph W 1%
Tuesday Night 88°F Mostly Clear then Patchy Blowing Dust 0 to 15 mph SSW 3%
Wednesday 107°F Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph W 10%
Wednesday Night 87°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 10 mph WSW 10%
Thursday 109°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph WSW 12%
Thursday Night 88°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph N 12%
Friday 111°F Sunny 0 to 5 mph SW 9%
Friday Night 89°F Partly Cloudy 5 mph SW 9%
Saturday 111°F Sunny then Slight Chance Showers And Thunderstorms 5 mph SW 17%
Saturday Night 89°F Slight Chance Showers And Thunderstorms 5 mph W 17%
Sunday 108°F Chance Showers And Thunderstorms 5 to 10 mph WSW 30%
Sunday Night 85°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph SW 30%
Monday 104°F Chance Showers And Thunderstorms 5 to 10 mph SW 33%

Forecast source: National Weather Service (api.weather.gov) for Phoenix (33.572, -112.090). Updated through the day.

Growing snapshot for Phoenix

Last spring frost
Jan 8
First fall frost
Dec 25
Growing season
354 days
Hardiness zone
9b

More local growing data for Phoenix: nearby ZIP 85021 weather · frost dates · planting calendar · Arizona frost dates

Nearby towns & communities

All Arizona locations ›

Climate data from the nearest NOAA station, Phoenix Deer Valley Muni Ap, Az (8.8 mi from Phoenix). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.