San Carlos, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Carlos, a community in Graham County, Arizona.
Today
70°F
Sunny
Sunny. High near 70, with temperatures falling to around 68 in the afternoon. South southeast wind around 5 mph.
7-day forecast for San Carlos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 5 mph SSE | 0% |
| Tonight | 44°F | Clear | 0 to 5 mph NW | 0% |
| Thursday | 70°F | Sunny | 0 to 5 mph ENE | 0% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph ENE | 7% |
| Friday Night | 48°F | Mostly Clear | 5 to 10 mph NNE | 4% |
| Saturday | 72°F | Sunny | 5 to 10 mph ENE | 2% |
| Saturday Night | 48°F | Clear | 5 to 10 mph NE | 0% |
| Sunday | 71°F | Sunny | 5 to 15 mph E | 0% |
| Sunday Night | 48°F | Partly Cloudy | 5 to 10 mph ENE | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 10 mph ESE | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 5 mph ENE | 2% |
| Tuesday | 71°F | Mostly Sunny | 0 to 5 mph ESE | 3% |
| Tuesday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 5% |
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 Nov 4, 2026.