Superior, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Pinal County, Arizona.
Today
104°F
Sunny
Sunny, with a high near 104. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Sunny | 10 to 15 mph WNW | 5% |
| Tonight | 81°F | Partly Cloudy | 0 to 15 mph SW | 7% |
| Wednesday | 103°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 13% |
| Wednesday Night | 79°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NNW | 13% |
| Thursday | 104°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NW | 13% |
| Thursday Night | 80°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 13% |
| Friday | 106°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 10% |
| Friday Night | 80°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 10% |
| Saturday | 106°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 18% |
| Saturday Night | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph ENE | 18% |
| Sunday | 104°F | Chance Showers And Thunderstorms | 0 to 10 mph WNW | 31% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 31% |
| Monday | 101°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 34% |
| Monday Night | 77°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 34% |
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
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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 Aug 4, 2026.