Castle Valley, CO Weather & Growing Conditions
This Afternoon
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Tonight | 51°F | Mostly Clear | 0 to 5 mph W | 6% |
| Sunday | 69°F | Sunny | 0 to 10 mph WSW | 0% |
| Sunday Night | 51°F | Mostly Clear | 5 mph ENE | 0% |
| Monday | 70°F | Mostly Sunny | 5 mph S | 0% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph E | 7% |
| Tuesday | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph S | 56% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 68% |
| Wednesday | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 53% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph ENE | 10% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 17% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 25% |
| Friday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 49% |
| Friday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 44% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Castle Valley, CO
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
182 days
Hardiness zone
6b
Explore more for Castle Valley, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Gateway 1Ene, Co (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.