Mammoth, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mammoth, a town in Pinal County, Arizona.
This Afternoon
92°F
Sunny
Sunny, with a high near 92. Southwest wind around 7 mph.
7-day forecast for Mammoth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 7 mph SW | 4% |
| Tonight | 69°F | Mostly Clear | 6 mph SW | 1% |
| Saturday | 94°F | Sunny | 3 to 9 mph SSW | 0% |
| Saturday Night | 68°F | Mostly Clear | 3 to 9 mph SW | 0% |
| Sunday | 92°F | Sunny | 3 to 9 mph SW | 0% |
| Sunday Night | 69°F | Partly Cloudy | 6 mph WSW | 0% |
| Monday | 91°F | Mostly Sunny | 6 mph S | 1% |
| Monday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph S | 17% |
| Tuesday | 91°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SSE | 24% |
| Tuesday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 14 mph ESE | 15% |
| Wednesday | 90°F | Chance Showers And Thunderstorms | 5 to 14 mph ESE | 29% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 7 to 18 mph ESE | 25% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 6 to 16 mph ESE | 35% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 7 to 18 mph ESE | 35% |
Forecast source: National Weather Service (api.weather.gov) for Mammoth (32.685, -110.729). Updated through the day.
Growing snapshot for Mammoth
Last spring frost
Mar 29
First fall frost
Nov 13
Growing season
225 days
Hardiness zone
9a
More local growing data for Mammoth: nearby ZIP 85623 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Ak-Chin Village
Apache Junction
Arizona City
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Campo Bonito
Casa Blanca
Casa Grande
Chuichu
Coolidge
Dudleyville
Eloy
Florence
Gold Canyon
Kearny
Kohatk
Lower Santan Village
Marana
Maricopa
Oracle
Picacho
Queen Creek
Queen Valley
Red Rock
Sacate Village
Sacaton
Sacaton Flats Village
Saddlebrooke
San Manuel
San Tan Valley
Climate data from the nearest NOAA station, Oracle Sp, Az (4.3 mi from Mammoth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.