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Howell, UT Weather & Growing Conditions

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

Overnight
47°F
Partly Cloudy
Partly cloudy. Low around 47, with temperatures rising to around 50 overnight. North wind around 3 mph.

7-day forecast for Howell

WhenTempForecastWindPrecip
Overnight 47°F Partly Cloudy 3 mph N 5%
Saturday 67°F Mostly Sunny then Isolated Showers And Thunderstorms 1 to 7 mph NNW 21%
Saturday Night 43°F Mostly Clear 6 mph N 7%
Sunday 73°F Sunny 5 mph SW 0%
Sunday Night 46°F Mostly Clear 3 mph SE 0%
Monday 78°F Sunny 3 mph SE 0%
Monday Night 51°F Partly Cloudy 3 mph E 0%
Tuesday 77°F Partly Sunny 5 mph ESE 3%
Tuesday Night 51°F Slight Chance Showers And Thunderstorms 1 to 5 mph SE 17%
Wednesday 79°F Mostly Sunny 1 to 7 mph SSE 7%
Wednesday Night 50°F Mostly Clear 5 mph ESE 3%
Thursday 82°F Sunny 1 to 7 mph SE 1%
Thursday Night 53°F Mostly Clear 1 to 6 mph ESE 0%
Friday 82°F Mostly Sunny 1 to 9 mph SE 3%

Forecast source: National Weather Service (api.weather.gov) for Howell (41.779, -112.448). Updated through the day.

Growing snapshot for Howell

Last spring frost
May 17
First fall frost
Sep 24
Growing season
128 days
Hardiness zone
6a

More local growing data for Howell: nearby ZIP 84316 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Thiokol Propulsion F S, Ut (4.2 mi from Howell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.