Phoenix, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Phoenix, a city in Maricopa County, Arizona.
This Afternoon
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. North northeast wind around 0 mph.
7-day forecast for Phoenix
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 56°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 77°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 56°F | Clear | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 to 5 mph ENE | 0% |
| Thursday Night | 57°F | Partly Cloudy | 0 mph | 0% |
| Friday | 79°F | Sunny | 0 mph | 0% |
| Friday Night | 58°F | Mostly Clear | 0 to 10 mph N | 0% |
| Saturday | 81°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 59°F | Mostly Clear | 0 to 10 mph NE | 1% |
| Sunday | 81°F | Sunny | 5 to 10 mph ENE | 4% |
| Sunday Night | 60°F | Partly Cloudy | 5 mph ENE | 2% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Monday Night | 59°F | Partly Cloudy | 0 mph | 2% |
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
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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 Nov 4, 2026.