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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.

Overnight
67°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 67. North northeast wind around 0 mph.

7-day forecast for La Sal

WhenTempForecastWindPrecip
Overnight 67°F Patchy Smoke 0 mph 0%
Tuesday 94°F Patchy Smoke 0 to 10 mph WSW 0%
Tuesday Night 66°F Patchy Smoke 5 to 15 mph NW 0%
Wednesday 92°F Sunny 0 to 10 mph WNW 0%
Wednesday Night 64°F Mostly Clear 0 to 10 mph NNW 0%
Thursday 93°F Sunny 0 to 10 mph NNW 0%
Thursday Night 65°F Mostly Clear 5 to 10 mph N 0%
Friday 94°F Sunny 0 to 10 mph NNW 0%
Friday Night 66°F Clear 5 to 10 mph NNE 0%
Saturday 95°F Sunny 5 to 10 mph SSW 0%
Saturday Night 68°F Mostly Clear 5 to 10 mph N 0%
Sunday 93°F Sunny 5 to 10 mph SSW 9%
Sunday Night 68°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph WSW 15%
Monday 91°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SSW 19%

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 Aug 4, 2026.