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
106°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny. High near 106, with temperatures falling to around 101 in the afternoon. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast for San Carlos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 106°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph WNW | 12% |
| Tonight | 77°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 11% |
| Wednesday | 104°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 29% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NW | 25% |
| Thursday | 105°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 20% |
| Thursday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 20% |
| Friday | 106°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph WNW | 15% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms | 5 mph NNW | 15% |
| Saturday | 106°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 13% |
| Saturday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph N | 13% |
| Sunday | 104°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 19% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NW | 19% |
| Monday | 102°F | Chance Showers And Thunderstorms | 5 to 15 mph W | 33% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NW | 33% |
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
Nearby towns & communities
Bryce
Bylas
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Peridot
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Safford
San Jose
Solomon
Swift Trail Junction
Thatcher
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 Aug 4, 2026.