Arivaca Junction, AZ Weather & Growing Conditions
Tonight
66°F
Mostly Clear
Mostly clear, with a low around 66. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Mostly Clear | 6 mph SW | 0% |
| Saturday | 92°F | Sunny | 3 to 12 mph SSW | 0% |
| Saturday Night | 65°F | Mostly Clear | 8 mph SW | 0% |
| Sunday | 90°F | Sunny | 7 to 10 mph SSW | 0% |
| Sunday Night | 67°F | Partly Cloudy | 6 to 9 mph SSW | 0% |
| Monday | 90°F | Mostly Sunny | 6 to 12 mph S | 1% |
| Monday Night | 67°F | Partly Cloudy | 5 to 9 mph S | 10% |
| Tuesday | 90°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph S | 23% |
| Tuesday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph SSE | 15% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 5 mph E | 28% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 6 mph ESE | 26% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 6 mph E | 38% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 6 mph ESE | 31% |
| Friday | 88°F | Chance Showers And Thunderstorms | 7 mph NNE | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arivaca Junction, AZ
Last spring frost
Feb 25
First fall frost
Nov 27
Growing season
276 days
Hardiness zone
9a
Explore more for Arivaca Junction, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Green Valley, Az (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.