Rio Rico, AZ Weather & Growing Conditions
Today
98°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 11am. Mostly sunny. High near 98, with temperatures falling to around 89 in the afternoon. Heat index values as high as 102. West wind 2 to 8 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Showers And Thunderstorms Likely | 2 to 8 mph W | 64% |
| Tonight | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SSE | 72% |
| Wednesday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph WSW | 39% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 63% |
| Thursday | 99°F | Chance Showers And Thunderstorms | 1 to 7 mph WNW | 40% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 6 mph E | 40% |
| Friday | 100°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 47% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SSW | 47% |
| Saturday | 100°F | Chance Showers And Thunderstorms | 5 mph N | 38% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 38% |
| Sunday | 96°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 41% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 mph S | 41% |
| Monday | 94°F | Showers And Thunderstorms Likely | 2 to 6 mph WSW | 61% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 61% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rio Rico, AZ
Last spring frost
Apr 16
First fall frost
Nov 2
Growing season
199 days
Hardiness zone
8b
Explore more for Rio Rico, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Nogales 6 N, Az (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.