Whetstone, AZ Weather & Growing Conditions
Tonight
44°F
Mostly Clear
Mostly clear, with a low around 44. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Mostly Clear | 3 mph SW | 0% |
| Wednesday | 72°F | Sunny | 3 to 12 mph SW | 0% |
| Wednesday Night | 44°F | Clear | 1 to 7 mph SW | 0% |
| Thursday | 71°F | Sunny | 3 mph SSE | 0% |
| Thursday Night | 46°F | Mostly Clear | 2 mph WSW | 0% |
| Friday | 70°F | Mostly Sunny | 1 to 5 mph ENE | 4% |
| Friday Night | 46°F | Mostly Clear | 3 mph ENE | 4% |
| Saturday | 70°F | Sunny | 3 to 9 mph E | 1% |
| Saturday Night | 46°F | Mostly Clear | 8 to 12 mph E | 1% |
| Sunday | 70°F | Sunny | 12 to 20 mph E | 4% |
| Sunday Night | 46°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Monday | 71°F | Mostly Sunny | 5 mph ENE | 10% |
| Monday Night | 48°F | Partly Cloudy | 2 mph SSE | 9% |
| Tuesday | 73°F | Mostly Sunny | 2 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Whetstone, AZ
Last spring frost
Mar 16
First fall frost
Nov 21
Growing season
246 days
Hardiness zone
8b
Explore more for Whetstone, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Ft Huachuca Pioneer Airfield, Az (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.