Fairfield, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfield, a town in Utah County, Utah.
Tonight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 47 overnight. North northwest wind 3 to 7 mph.
7-day forecast for Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Clear | 3 to 7 mph NNW | 2% |
| Sunday | 74°F | Sunny | 0 to 3 mph NNW | 0% |
| Sunday Night | 45°F | Partly Cloudy | 3 mph N | 0% |
| Monday | 78°F | Mostly Sunny | 0 to 3 mph ENE | 0% |
| Monday Night | 51°F | Mostly Cloudy | 2 mph NNE | 5% |
| Tuesday | 77°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 48% |
| Tuesday Night | 49°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SE | 42% |
| Wednesday | 79°F | Sunny | 3 mph SSE | 7% |
| Wednesday Night | 51°F | Mostly Clear | 2 mph E | 1% |
| Thursday | 82°F | Sunny | 1 to 5 mph SE | 1% |
| Thursday Night | 55°F | Partly Cloudy | 3 mph ESE | 2% |
| Friday | 82°F | Mostly Sunny | 2 to 8 mph SSE | 7% |
| Friday Night | 54°F | Slight Chance Showers And Thunderstorms | 7 mph SSE | 20% |
| Saturday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 9 mph SSE | 18% |
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
6a
More local growing data for Fairfield: nearby ZIP 84013 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Alpine
American Fork
Benjamin
Cedar Fort
Cedar Hills
Eagle Mountain
Elberta
Elk Ridge
Genola
Goshen
Highland
Hobble Creek
Lake Shore
Lehi
Lindon
Mapleton
Orem
Palmyra
Payson
Pleasant Grove
Provo
Rocky Ridge
Salem
Santaquin
Saratoga Springs
Spanish Fork
Spring Lake
Springville
Sundance
Vineyard
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 Sep 20, 2026.