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La Sal, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for La Sal, a community in San Juan County, Utah.

This Afternoon
52°F
Sunny
Sunny, with a high near 52. Southwest wind around 0 mph.

7-day forecast for La Sal

WhenTempForecastWindPrecip
This Afternoon 52°F Sunny 0 mph 0%
Tonight 35°F Partly Cloudy 5 to 10 mph E 3%
Wednesday 45°F Chance Rain And Snow Showers then Chance Showers And Thunderstorms 5 to 10 mph WSW 45%
Wednesday Night 31°F Partly Cloudy 0 to 10 mph N 7%
Thursday 48°F Mostly Sunny 0 to 5 mph WSW 0%
Thursday Night 34°F Partly Cloudy 0 mph 0%
Friday 48°F Sunny 0 to 5 mph NW 1%
Friday Night 33°F Mostly Clear 0 to 5 mph N 0%
Saturday 51°F Sunny 0 to 5 mph N 0%
Saturday Night 35°F Mostly Clear 0 to 5 mph NE 0%
Sunday 54°F Sunny 0 to 5 mph SSE 0%
Sunday Night 38°F Mostly Clear 0 to 5 mph ESE 0%
Monday 54°F Mostly Sunny 0 to 5 mph S 2%
Monday Night 39°F Mostly Cloudy 0 to 5 mph ENE 1%

Forecast source: National Weather Service (api.weather.gov) for La Sal (38.301, -109.266). Updated through the day.

Growing snapshot for La Sal

Last spring frost
May 17
First fall frost
Oct 6
Growing season
141 days
Hardiness zone
7a

More local growing data for La Sal: nearby ZIP 84530 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, La Sal 1Sw, Ut (8.5 mi from La Sal). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.