Tempe, AZ Weather & Growing Conditions
Tonight
79°F
Mostly Clear
Mostly clear, with a low around 79. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 79°F | Mostly Clear | 0 mph | 0% |
| Saturday | 102°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 77°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 101°F | Sunny | 0 to 5 mph SSE | 0% |
| Sunday Night | 81°F | Partly Cloudy | 0 mph | 0% |
| Monday | 100°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Monday Night | 80°F | Mostly Clear | 0 to 5 mph W | 9% |
| Tuesday | 100°F | Sunny | 0 to 5 mph SSE | 9% |
| Tuesday Night | 82°F | Mostly Clear | 0 to 10 mph SE | 7% |
| Wednesday | 102°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 13% |
| Wednesday Night | 83°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 15% |
| Thursday | 100°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 21% |
| Thursday Night | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 22% |
| Friday | 100°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tempe, AZ
Last spring frost
Feb 13
First fall frost
Dec 5
Growing season
298 days
Hardiness zone
9b
Explore more for Tempe, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Tempe Asu, Az (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.