Oro Valley, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oro Valley, a town in Pima County, Arizona.
Overnight
78°F
Mostly Cloudy
Mostly cloudy, with a low around 78. East wind around 2 mph.
7-day forecast for Oro Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 78°F | Mostly Cloudy | 2 mph E | 1% |
| Tuesday | 104°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 12 mph W | 20% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms | 2 to 10 mph WSW | 27% |
| Wednesday | 102°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 10 mph WNW | 24% |
| Wednesday Night | 77°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 8 mph ESE | 24% |
| Thursday | 104°F | Slight Chance Showers And Thunderstorms | 1 to 10 mph NW | 17% |
| Thursday Night | 78°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph NE | 17% |
| Friday | 106°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 28% |
| Friday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph ESE | 28% |
| Saturday | 106°F | Chance Showers And Thunderstorms | 2 to 6 mph WSW | 30% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph S | 30% |
| Sunday | 104°F | Chance Showers And Thunderstorms | 3 to 8 mph NNW | 40% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 40% |
| Monday | 101°F | Chance Showers And Thunderstorms | 3 to 9 mph WSW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Oro Valley (32.421, -110.977). Updated through the day.
Growing snapshot for Oro Valley
Last spring frost
Apr 2
First fall frost
Nov 11
Growing season
222 days
Hardiness zone
9a
More local growing data for Oro Valley: nearby ZIP 85737 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Catalina Sp, Az (1 mi from Oro Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.