Spanish Fork, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spanish Fork, a city in Utah County, Utah.
Tonight
47°F
Mostly Clear
Mostly clear. Low around 47, with temperatures rising to around 50 overnight. South southwest wind 1 to 5 mph.
7-day forecast for Spanish Fork
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 1 to 5 mph SSW | 2% |
| Sunday | 75°F | Sunny | 3 mph SW | 0% |
| Sunday Night | 47°F | Partly Cloudy | 3 mph E | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 3 mph NNE | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 5 mph ENE | 4% |
| Tuesday | 79°F | Showers And Thunderstorms Likely | 0 to 6 mph SSE | 62% |
| Tuesday Night | 50°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 5 mph SE | 40% |
| Wednesday | 80°F | Sunny | 0 to 5 mph NE | 8% |
| Wednesday Night | 51°F | Mostly Clear | 1 to 5 mph E | 1% |
| Thursday | 84°F | Sunny | 0 to 6 mph N | 2% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 7 mph NNE | 5% |
| Friday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph S | 10% |
| Friday Night | 54°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SE | 18% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 27% |
Forecast source: National Weather Service (api.weather.gov) for Spanish Fork (40.110, -111.641). Updated through the day.
Growing snapshot for Spanish Fork
Last spring frost
Apr 25
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
7a
More local growing data for Spanish Fork: nearby ZIP 84664 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
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American Fork
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Orem
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Payson
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Provo
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Salem
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Saratoga Springs
Spring Lake
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Climate data from the nearest NOAA station, Spanish Fk Pwr House, Ut (3.5 mi from Spanish Fork). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.