San Carlos, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Carlos, a community in Graham County, Arizona.
This Afternoon
95°F
Sunny
Sunny. High near 95, with temperatures falling to around 92 in the afternoon. West wind around 10 mph.
7-day forecast for San Carlos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 10 mph W | 0% |
| Tonight | 66°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Sunday | 93°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 68°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Monday | 92°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Monday Night | 69°F | Partly Cloudy | 0 to 5 mph NNE | 5% |
| Tuesday | 92°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph ESE | 13% |
| Tuesday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 15 to 20 mph ESE | 11% |
| Wednesday | 88°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph ESE | 24% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 24% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 10 to 20 mph ESE | 41% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 10 to 20 mph E | 41% |
| Friday | 86°F | Chance Showers And Thunderstorms | 10 to 20 mph SE | 37% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 to 15 mph E | 31% |
Forecast source: National Weather Service (api.weather.gov) for San Carlos (33.345, -110.478). Updated through the day.
Growing snapshot for San Carlos
Last spring frost
Mar 13
First fall frost
Nov 19
Growing season
247 days
Hardiness zone
9a
More local growing data for San Carlos: nearby ZIP 85542 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, San Carlos Reservoir, Az (15.9 mi from San Carlos). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.