Harman US

Sierra Vista, AZ Weather & Growing Conditions

Today
66°F
Sunny
Sunny. High near 66, with temperatures falling to around 62 in the afternoon. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 66°F Sunny 6 to 13 mph SW 0%
Tonight 46°F Clear 1 to 8 mph SW 0%
Thursday 64°F Sunny 3 to 7 mph SSE 0%
Thursday Night 48°F Mostly Clear 5 mph S 0%
Friday 64°F Mostly Sunny 6 mph ESE 7%
Friday Night 48°F Partly Cloudy 3 to 8 mph NE 8%
Saturday 62°F Sunny 8 to 15 mph ENE 3%
Saturday Night 47°F Mostly Clear 13 to 24 mph E 0%
Sunday 61°F Sunny 14 to 24 mph E 0%
Sunday Night 46°F Partly Cloudy 14 mph E 1%
Monday 63°F Mostly Sunny 3 to 12 mph E 5%
Monday Night 47°F Partly Cloudy 3 mph SE 5%
Tuesday 65°F Mostly Sunny 5 mph SSW 4%
Tuesday Night 49°F Partly Cloudy 3 mph WSW 5%

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 Nov 4, 2026.