Lehi, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lehi, a city in Utah County, Utah.
Today
93°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 93. North northwest wind 2 to 14 mph.
7-day forecast for Lehi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Patchy Smoke | 2 to 14 mph NNW | 0% |
| Tonight | 61°F | Patchy Smoke | 2 to 15 mph N | 0% |
| Wednesday | 95°F | Patchy Smoke | 2 to 12 mph NNE | 0% |
| Wednesday Night | 63°F | Patchy Smoke then Mostly Clear | 3 to 13 mph NE | 0% |
| Thursday | 99°F | Sunny | 3 to 9 mph SSE | 0% |
| Thursday Night | 67°F | Mostly Clear | 5 to 12 mph NE | 0% |
| Friday | 102°F | Sunny | 5 to 8 mph S | 0% |
| Friday Night | 70°F | Mostly Clear | 3 to 12 mph ENE | 0% |
| Saturday | 102°F | Sunny | 3 to 7 mph S | 0% |
| Saturday Night | 72°F | Partly Cloudy | 6 to 10 mph NE | 0% |
| Sunday | 101°F | Mostly Sunny | 8 mph S | 7% |
| Sunday Night | 72°F | Partly Cloudy | 7 to 10 mph ESE | 9% |
| Monday | 99°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph S | 15% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph ESE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Lehi (40.417, -111.871). Updated through the day.
Growing snapshot for Lehi
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
159 days
Hardiness zone
7a
More local growing data for Lehi: nearby ZIP 84043 weather · frost dates · planting calendar · Utah frost dates
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Climate data from the nearest NOAA station, Utah Lake Lehi, Ut (3.7 mi from Lehi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.