Arivaca Junction, AZ Weather & Growing Conditions
Tonight
46°F
Mostly Clear
Mostly clear, with a low around 46. South southwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Wednesday | 72°F | Sunny | 3 to 10 mph SW | 0% |
| Wednesday Night | 45°F | Clear | 3 mph N | 0% |
| Thursday | 72°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 47°F | Mostly Clear | 3 mph S | 0% |
| Friday | 72°F | Mostly Sunny | 1 to 6 mph ENE | 3% |
| Friday Night | 48°F | Mostly Clear | 6 mph NE | 3% |
| Saturday | 73°F | Sunny | 5 to 9 mph ENE | 2% |
| Saturday Night | 48°F | Mostly Clear | 9 mph ENE | 2% |
| Sunday | 74°F | Sunny | 6 to 10 mph E | 5% |
| Sunday Night | 48°F | Partly Cloudy | 7 mph E | 6% |
| Monday | 74°F | Mostly Sunny | 2 to 7 mph SSE | 8% |
| Monday Night | 50°F | Partly Cloudy | 5 mph S | 4% |
| Tuesday | 75°F | Mostly Sunny | 5 mph SW | 4% |
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 Nov 4, 2026.