Spanish Valley, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spanish Valley, a community in Grand County, Utah.
This Afternoon
78°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Spanish Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Slight Chance Showers And Thunderstorms | 10 mph SSW | 17% |
| Tonight | 61°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 15 mph SSE | 49% |
| Saturday | 76°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 18% |
| Saturday Night | 58°F | Mostly Clear | 0 to 10 mph S | 5% |
| Sunday | 74°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 57°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 61°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph NNE | 18% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 5 mph SSE | 45% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 48% |
| Wednesday | 74°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 28% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 12% |
| Thursday | 75°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 25% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 33% |
Forecast source: National Weather Service (api.weather.gov) for Spanish Valley (38.474, -109.421). Updated through the day.
Growing snapshot for Spanish Valley
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
7a
More local growing data for Spanish Valley: nearby ZIP 84532 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Castle Valley 1Se, Ut (7.3 mi from Spanish Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.