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Thatcher, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Thatcher, a community in Box Elder County, Utah.

Tonight
51°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before midnight. Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. North wind 2 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Thatcher

WhenTempForecastWindPrecip
Tonight 51°F Scattered Showers And Thunderstorms then Partly Cloudy 2 to 9 mph N 54%
Saturday 63°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 8 mph NW 32%
Saturday Night 49°F Partly Cloudy 6 mph N 9%
Sunday 67°F Sunny 5 mph NW 0%
Sunday Night 51°F Mostly Clear 5 mph E 0%
Monday 73°F Mostly Sunny 6 mph ENE 0%
Monday Night 55°F Partly Cloudy 3 mph NE 0%
Tuesday 73°F Partly Sunny 5 mph SE 4%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms 1 to 5 mph ESE 13%
Wednesday 74°F Sunny 1 to 6 mph S 2%
Wednesday Night 55°F Mostly Clear 1 to 5 mph NNE 3%
Thursday 77°F Sunny 2 to 6 mph ESE 1%
Thursday Night 57°F Partly Cloudy 1 to 5 mph ESE 4%
Friday 77°F Mostly Sunny 1 to 8 mph SSE 6%

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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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 Sep 19, 2026.