Arivaca Junction, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arivaca Junction, a community in Pima County, Arizona.
Today
74°F
Sunny
Sunny, with a high near 74. West southwest wind 3 to 10 mph.
7-day forecast for Arivaca Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 3 to 10 mph WSW | 0% |
| Tonight | 42°F | Clear | 3 mph NW | 0% |
| Thursday | 73°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 45°F | Mostly Clear | 3 mph S | 0% |
| Friday | 74°F | Mostly Sunny | 3 mph SSW | 3% |
| Friday Night | 45°F | Mostly Clear | 5 mph NE | 3% |
| Saturday | 73°F | Sunny | 3 to 9 mph ENE | 1% |
| Saturday Night | 45°F | Mostly Clear | 9 mph ENE | 0% |
| Sunday | 73°F | Sunny | 7 to 12 mph E | 1% |
| Sunday Night | 44°F | Partly Cloudy | 8 mph E | 1% |
| Monday | 73°F | Mostly Sunny | 1 to 7 mph ESE | 4% |
| Monday Night | 47°F | Partly Cloudy | 1 to 6 mph ESE | 4% |
| Tuesday | 73°F | Mostly Sunny | 2 to 6 mph WSW | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph SSW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Arivaca Junction (31.739, -111.074). Updated through the day.
Growing snapshot for Arivaca Junction
Last spring frost
Feb 25
First fall frost
Nov 27
Growing season
276 days
Hardiness zone
9a
More local growing data for Arivaca Junction: nearby ZIP 85622 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Green Valley, Az (8.3 mi from Arivaca Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.