Lehi, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lehi, a city in Utah County, Utah.

This Afternoon

54°F

Sunny

Sunny. High near 54, with temperatures falling to around 51 in the afternoon. South southeast wind around 5 mph.

7-day forecast for Lehi

When	Temp	Forecast	Wind	Precip
This Afternoon	54°F	Sunny	5 mph SSE	1%
Tonight	40°F	Mostly Cloudy then Slight Chance Light Rain	3 mph ENE	15%
Wednesday	48°F	Light Rain Likely	3 mph N	67%
Wednesday Night	37°F	Slight Chance Light Rain then Patchy Fog	2 mph ENE	23%
Thursday	51°F	Patchy Fog then Mostly Sunny	2 mph S	1%
Thursday Night	36°F	Partly Cloudy	0 to 3 mph N	1%
Friday	53°F	Mostly Sunny	0 to 5 mph NNE	1%
Friday Night	37°F	Partly Cloudy	0 to 3 mph NE	0%
Saturday	56°F	Sunny	2 mph SSE	0%
Saturday Night	40°F	Mostly Clear	0 to 3 mph ESE	0%
Sunday	63°F	Sunny	0 to 5 mph SSE	0%
Sunday Night	44°F	Partly Cloudy	0 to 3 mph SSE	0%
Monday	64°F	Mostly Sunny	0 to 5 mph SSE	1%
Monday Night	44°F	Mostly Cloudy	2 mph SE	3%

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

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 Nov 4, 2026.