Phoenix, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Phoenix, a city in Maricopa County, Arizona.
Tonight
79°F
Mostly Clear
Mostly clear, with a low around 79. North wind around 0 mph.
7-day forecast for Phoenix
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 79°F | Mostly Clear | 0 mph | 0% |
| Saturday | 101°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 77°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 100°F | Sunny | 5 mph SSE | 0% |
| Sunday Night | 81°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Monday | 100°F | Mostly Sunny | 0 to 5 mph ESE | 2% |
| Monday Night | 80°F | Mostly Clear | 0 to 5 mph W | 9% |
| Tuesday | 100°F | Sunny | 0 to 5 mph SE | 9% |
| Tuesday Night | 81°F | Mostly Clear | 0 to 10 mph N | 6% |
| Wednesday | 102°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 14% |
| Wednesday Night | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 15% |
| Thursday | 100°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph ESE | 21% |
| Thursday Night | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 23% |
| Friday | 100°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph E | 24% |
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
Aguila
Anthem
Arlington
Avondale
Aztec
Buckeye
Carefree
Cave Creek
Chandler
Circle City
Citrus Park
Dateland
El Mirage
Fountain Hills
Gila Bend
Gila Crossing
Gilbert
Glendale
Goodyear
Goodyear Village
Guadalupe
Komatke
Litchfield Park
Maricopa Colony
Mesa
Morristown
New River
Paradise Valley
Peoria
Rio Verde
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 Sep 19, 2026.