McNary, AZ Weather & Growing Conditions
Tonight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. South wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Partly Cloudy | 5 to 9 mph S | 0% |
| Wednesday | 55°F | Sunny | 10 to 15 mph SW | 0% |
| Wednesday Night | 32°F | Clear | 2 to 8 mph S | 0% |
| Thursday | 57°F | Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 5 mph S | 1% |
| Friday | 56°F | Mostly Sunny | 5 mph NE | 5% |
| Friday Night | 34°F | Mostly Clear | 8 mph NE | 5% |
| Saturday | 59°F | Sunny | 7 mph NE | 2% |
| Saturday Night | 35°F | Mostly Clear | 3 to 7 mph E | 0% |
| Sunday | 61°F | Sunny | 0 to 5 mph SE | 4% |
| Sunday Night | 36°F | Partly Cloudy | 2 mph SE | 5% |
| Monday | 61°F | Slight Chance Rain Showers | 3 mph S | 17% |
| Monday Night | 37°F | Partly Cloudy | 2 mph S | 6% |
| Tuesday | 60°F | Mostly Sunny | 5 mph SW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McNary, AZ
Last spring frost
May 20
First fall frost
Oct 11
Growing season
142 days
Hardiness zone
6b
Explore more for McNary, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Mc Nary 2N, Az (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.