Arivaca Junction, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arivaca Junction, a community in Pima County, Arizona.
This Afternoon
75°F
Sunny
Sunny, with a high near 75. Wind around 0 mph.
7-day forecast for Arivaca Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 0 mph | 0% |
| Tonight | 43°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Wednesday | 74°F | Sunny | 2 to 9 mph SW | 0% |
| Wednesday Night | 42°F | Mostly Clear | 3 mph NNE | 0% |
| Thursday | 73°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 44°F | Mostly Clear | 3 mph SSE | 0% |
| Friday | 74°F | Mostly Sunny | 1 to 5 mph ENE | 3% |
| Friday Night | 45°F | Mostly Clear | 5 mph NE | 3% |
| Saturday | 75°F | Sunny | 3 to 8 mph ENE | 2% |
| Saturday Night | 45°F | Mostly Clear | 9 mph ENE | 2% |
| Sunday | 75°F | Sunny | 5 to 10 mph E | 6% |
| Sunday Night | 45°F | Partly Cloudy | 7 mph E | 6% |
| Monday | 76°F | Mostly Sunny | 1 to 8 mph S | 8% |
| Monday Night | 47°F | Partly Cloudy | 1 to 5 mph S | 5% |
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.