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
75°F
Sunny
Sunny, with a high near 75. East southeast wind around 2 mph.
7-day forecast for Rio Rico
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 2 mph ESE | 0% |
| Tonight | 42°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 74°F | Sunny | 3 to 10 mph SSW | 0% |
| Wednesday Night | 41°F | Mostly Clear | 2 mph SE | 0% |
| Thursday | 73°F | Sunny | 2 to 6 mph SSE | 0% |
| Thursday Night | 43°F | Mostly Clear | 2 mph SSE | 0% |
| Friday | 74°F | Mostly Sunny | 3 mph S | 2% |
| Friday Night | 44°F | Mostly Clear | 3 mph NE | 2% |
| Saturday | 75°F | Sunny | 3 to 8 mph ENE | 2% |
| Saturday Night | 44°F | Mostly Clear | 6 to 10 mph E | 2% |
| Sunday | 75°F | Sunny | 5 to 13 mph E | 8% |
| Sunday Night | 44°F | Partly Cloudy | 5 to 8 mph E | 8% |
| Monday | 76°F | Mostly Sunny | 1 to 7 mph SE | 10% |
| Monday Night | 46°F | Partly Cloudy | 0 to 3 mph SSE | 6% |
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 Nov 3, 2026.