Superior, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Superior, a town in Pinal County, Arizona.
Today
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 71 in the afternoon. East wind 0 to 5 mph.
7-day forecast for Superior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 0 to 5 mph E | 0% |
| Tonight | 51°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph SSW | 0% |
| Wednesday Night | 50°F | Clear | 0 to 5 mph N | 0% |
| Thursday | 73°F | Sunny | 0 to 5 mph SE | 0% |
| Thursday Night | 53°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Friday | 74°F | Sunny | 0 to 5 mph NW | 1% |
| Friday Night | 53°F | Mostly Clear | 0 to 15 mph NNE | 1% |
| Saturday | 76°F | Sunny | 0 to 15 mph NE | 0% |
| Saturday Night | 52°F | Mostly Clear | 5 to 15 mph NE | 0% |
| Sunday | 75°F | Sunny | 5 to 15 mph ENE | 0% |
| Sunday Night | 53°F | Mostly Clear | 5 to 15 mph ENE | 0% |
| Monday | 76°F | Sunny | 5 to 15 mph ENE | 2% |
| Monday Night | 53°F | Partly Cloudy | 5 to 10 mph ENE | 2% |
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 Nov 3, 2026.