Fairfield, UT Weather & Growing Conditions

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

Today

48°F

Chance Light Rain

A chance of rain before 5pm. Mostly cloudy. High near 48, with temperatures falling to around 45 in the afternoon. Northwest wind around 3 mph. Chance of precipitation is 50%.

7-day forecast for Fairfield

When	Temp	Forecast	Wind	Precip
Today	48°F	Chance Light Rain	3 mph NW	46%
Tonight	36°F	Partly Cloudy then Patchy Fog	2 mph WSW	4%
Thursday	50°F	Patchy Fog then Partly Sunny	1 mph NW	1%
Thursday Night	35°F	Patchy Fog	2 mph NW	2%
Friday	51°F	Patchy Fog then Mostly Sunny	0 to 5 mph NNW	2%
Friday Night	33°F	Mostly Clear	0 to 3 mph NNW	0%
Saturday	54°F	Sunny	1 mph NE	0%
Saturday Night	35°F	Mostly Clear	1 mph ESE	0%
Sunday	59°F	Sunny	2 mph ENE	0%
Sunday Night	39°F	Partly Cloudy	1 mph ESE	0%
Monday	61°F	Mostly Sunny	1 mph ENE	0%
Monday Night	40°F	Mostly Cloudy	1 mph NE	0%
Tuesday	59°F	Mostly Sunny	0 mph	0%
Tuesday Night	40°F	Partly Cloudy	1 mph N	2%

Forecast source: National Weather Service (api.weather.gov) for Fairfield (40.236, -112.075). Updated through the day.

Growing snapshot for Fairfield

Last spring frost

Jun 2

First fall frost

Sep 16

Growing season

103 days

Hardiness zone

More local growing data for Fairfield: nearby ZIP 84013 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Fairfield, Ut (2.3 mi from Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.