Thatcher, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thatcher, a community in Box Elder County, Utah.
Today
49°F
Mostly Sunny
Mostly sunny. High near 49, with temperatures falling to around 44 in the afternoon. East southeast wind around 5 mph.
7-day forecast for Thatcher
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Mostly Sunny | 5 mph ESE | 0% |
| Tonight | 39°F | Mostly Cloudy | 6 mph N | 11% |
| Wednesday | 49°F | Partly Sunny | 6 mph NW | 11% |
| Wednesday Night | 36°F | Partly Cloudy | 0 to 3 mph NNW | 2% |
| Thursday | 48°F | Mostly Cloudy | 1 to 5 mph SE | 2% |
| Thursday Night | 36°F | Partly Cloudy | 2 mph NW | 2% |
| Friday | 50°F | Mostly Sunny | 1 to 6 mph NW | 1% |
| Friday Night | 36°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 3 mph ESE | 0% |
| Saturday Night | 36°F | Mostly Clear | 1 mph NNE | 0% |
| Sunday | 54°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Sunday Night | 39°F | Partly Cloudy | 1 mph NNE | 0% |
| Monday | 55°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Monday Night | 41°F | Mostly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Thatcher (41.682, -112.320). Updated through the day.
Growing snapshot for Thatcher
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
6b
More local growing data for Thatcher: nearby ZIP 84337 weather · frost dates · planting calendar · Utah frost dates
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Tremonton
Climate data from the nearest NOAA station, Tremonton, Ut (6.3 mi from Thatcher). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.