Mammoth, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mammoth, a town in Pinal County, Arizona.
Overnight
77°F
Mostly Cloudy
Mostly cloudy, with a low around 77. Southwest wind around 6 mph.
7-day forecast for Mammoth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Mostly Cloudy | 6 mph SW | 7% |
| Tuesday | 101°F | Sunny then Slight Chance Showers And Thunderstorms | 7 to 14 mph W | 21% |
| Tuesday Night | 77°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph WSW | 21% |
| Wednesday | 99°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 12 mph WNW | 25% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 10 mph W | 25% |
| Thursday | 101°F | Slight Chance Showers And Thunderstorms | 2 to 10 mph WNW | 20% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph SSW | 20% |
| Friday | 103°F | Chance Showers And Thunderstorms | 3 to 9 mph WNW | 32% |
| Friday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 9 mph S | 32% |
| Saturday | 103°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 26% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 10 mph SSW | 26% |
| Sunday | 101°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 37% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 to 9 mph S | 37% |
| Monday | 98°F | Chance Showers And Thunderstorms | 5 to 12 mph W | 40% |
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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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 Aug 4, 2026.