Whetstone, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whetstone, a community in Cochise County, Arizona.
Today
94°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 11am. Mostly sunny. High near 94, with temperatures falling to around 90 in the afternoon. Northwest wind 2 to 12 mph. Chance of precipitation is 70%.
7-day forecast for Whetstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Showers And Thunderstorms Likely | 2 to 12 mph NW | 71% |
| Tonight | 68°F | Showers And Thunderstorms Likely then Mostly Cloudy | 3 to 10 mph WSW | 71% |
| Wednesday | 94°F | Sunny then Chance Showers And Thunderstorms | 2 to 8 mph WNW | 53% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 7 mph WSW | 53% |
| Thursday | 96°F | Chance Showers And Thunderstorms | 1 to 8 mph NW | 54% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 7 mph SW | 54% |
| Friday | 96°F | Chance Showers And Thunderstorms | 3 mph NNW | 47% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SW | 47% |
| Saturday | 96°F | Chance Showers And Thunderstorms | 1 to 6 mph ENE | 21% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph WSW | 21% |
| Sunday | 94°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 35% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 6 mph WSW | 35% |
| Monday | 92°F | Chance Showers And Thunderstorms | 2 to 10 mph WNW | 56% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 9 mph WSW | 56% |
Forecast source: National Weather Service (api.weather.gov) for Whetstone (31.719, -110.292). Updated through the day.
Growing snapshot for Whetstone
Last spring frost
Mar 16
First fall frost
Nov 21
Growing season
246 days
Hardiness zone
8b
More local growing data for Whetstone: nearby ZIP 85616 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Ft Huachuca Pioneer Airfield, Az (9 mi from Whetstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.