Rio Rico, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rio Rico, a community in Santa Cruz County, Arizona.
This Afternoon
93°F
Sunny
Sunny, with a high near 93. West southwest wind around 7 mph.
7-day forecast for Rio Rico
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Sunny | 7 mph WSW | 1% |
| Tonight | 62°F | Mostly Clear | 5 mph E | 1% |
| Saturday | 94°F | Sunny | 3 to 12 mph S | 0% |
| Saturday Night | 61°F | Mostly Clear | 3 to 7 mph SSE | 0% |
| Sunday | 92°F | Sunny | 5 to 12 mph S | 0% |
| Sunday Night | 63°F | Mostly Clear | 2 to 7 mph S | 0% |
| Monday | 91°F | Mostly Sunny | 5 to 12 mph S | 2% |
| Monday Night | 64°F | Partly Cloudy | 3 to 7 mph SSE | 4% |
| Tuesday | 91°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph S | 23% |
| Tuesday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SE | 18% |
| Wednesday | 90°F | Chance Showers And Thunderstorms | 5 mph ESE | 42% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 3 to 9 mph ESE | 42% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 6 mph ESE | 44% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Rio Rico (31.498, -110.988). Updated through the day.
Growing snapshot for Rio Rico
Last spring frost
Apr 16
First fall frost
Nov 2
Growing season
199 days
Hardiness zone
8b
More local growing data for Rio Rico: nearby ZIP 85648 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nogales 6 N, Az (3.4 mi from Rio Rico). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.