Sierra Vista, AZ Weather & Growing Conditions
Overnight
66°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Southwest wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 10% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 7 to 12 mph WNW | 62% |
| Tuesday Night | 66°F | Showers And Thunderstorms Likely | 6 to 10 mph SW | 63% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph NW | 51% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 51% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 3 to 8 mph NW | 44% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 44% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 to 7 mph NNE | 48% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 48% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 2 to 8 mph ESE | 30% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph SW | 30% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 3 to 9 mph ENE | 41% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 mph WSW | 41% |
| Monday | 84°F | Showers And Thunderstorms Likely | 3 to 12 mph WNW | 55% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sierra Vista, AZ
Last spring frost
Mar 16
First fall frost
Nov 21
Growing season
246 days
Hardiness zone
8b
Explore more for Sierra Vista, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Ft Huachuca Pioneer Airfield, Az (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.