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.
Today
96°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Mostly sunny. High near 96, with temperatures falling to around 89 in the afternoon. Southwest wind 2 to 8 mph. Chance of precipitation is 50%.
7-day forecast for Rio Rico
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 54% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph SSE | 60% |
| Wednesday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph WSW | 46% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 6 mph SW | 46% |
| Thursday | 97°F | Chance Showers And Thunderstorms | 0 to 7 mph WNW | 37% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 6 mph E | 37% |
| Friday | 99°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 51% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 51% |
| Saturday | 98°F | Chance Showers And Thunderstorms | 1 to 5 mph N | 39% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 39% |
| Sunday | 95°F | Chance Showers And Thunderstorms | 1 to 7 mph WSW | 46% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 46% |
| Monday | 92°F | Showers And Thunderstorms Likely | 1 to 6 mph WSW | 60% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 48% |
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 Aug 4, 2026.