Superior, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Pinal County, Arizona.
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. East northeast wind 0 to 5 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 0 to 5 mph ENE | 1% |
| Saturday | 97°F | Sunny | 5 mph S | 0% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Sunday | 96°F | Sunny | 5 mph S | 0% |
| Sunday Night | 73°F | Partly Cloudy | 0 to 5 mph ENE | 0% |
| Monday | 95°F | Mostly Sunny | 5 mph S | 1% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 16% |
| Tuesday | 96°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 16% |
| Tuesday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 20 mph E | 13% |
| Wednesday | 95°F | Slight Chance Showers And Thunderstorms | 5 to 20 mph E | 16% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 19% |
| Thursday | 94°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 30% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 10 to 20 mph E | 30% |
| Friday | 94°F | Chance Showers And Thunderstorms | 5 to 20 mph E | 28% |
Forecast source: National Weather Service (api.weather.gov) for Superior (33.272, -111.124). Updated through the day.
Growing snapshot for Superior
Last spring frost
Jan 18
First fall frost
Dec 28
Growing season
342 days
Hardiness zone
9b
More local growing data for Superior: nearby ZIP 85173 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Ak-Chin Village
Apache Junction
Arizona City
Blackwater
Cactus Forest
Campo Bonito
Casa Blanca
Casa Grande
Chuichu
Coolidge
Dudleyville
Eloy
Florence
Gold Canyon
Kearny
Kohatk
Lower Santan Village
Mammoth
Marana
Maricopa
Oracle
Picacho
Queen Creek
Queen Valley
Red Rock
Sacate Village
Sacaton
Sacaton Flats Village
Saddlebrooke
San Manuel
Climate data from the nearest NOAA station, Superior, Az (3.2 mi from Superior). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.