Tempe, AZ Weather & Growing Conditions
Today
109°F
Sunny
Sunny. High near 109, with temperatures falling to around 107 in the afternoon. Heat index values as high as 113. West southwest wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 109°F | Sunny | 0 to 10 mph WSW | 2% |
| Tonight | 88°F | Patchy Blowing Dust | 0 to 20 mph SSW | 4% |
| Wednesday | 108°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph WNW | 11% |
| Wednesday Night | 87°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph WNW | 11% |
| Thursday | 109°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph WNW | 10% |
| Thursday Night | 87°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 10% |
| Friday | 111°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 12% |
| Friday Night | 88°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 12% |
| Saturday | 111°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 17% |
| Saturday Night | 88°F | Slight Chance Showers And Thunderstorms | 5 mph S | 17% |
| Sunday | 109°F | Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Sunday Night | 85°F | Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Monday | 105°F | Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Monday Night | 83°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 39% |
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 (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.