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Hyrum, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hyrum, a city in Cache County, Utah.

Tonight
36°F
Cloudy
Cloudy, with a low around 36. East wind around 3 mph.

7-day forecast for Hyrum

WhenTempForecastWindPrecip
Tonight 36°F Cloudy 3 mph E 4%
Wednesday 50°F Mostly Cloudy 3 mph N 12%
Wednesday Night 34°F Patchy Fog 2 mph SW 4%
Thursday 49°F Patchy Fog then Partly Sunny 2 mph SSE 9%
Thursday Night 34°F Patchy Fog 1 mph E 15%
Friday 50°F Patchy Fog then Mostly Sunny 2 mph WNW 1%
Friday Night 33°F Mostly Clear 0 to 3 mph SSE 0%
Saturday 54°F Sunny 2 mph N 0%
Saturday Night 35°F Mostly Clear 0 to 3 mph ENE 0%
Sunday 59°F Sunny 0 to 3 mph SSW 0%
Sunday Night 39°F Partly Cloudy 0 to 5 mph E 0%
Monday 60°F Mostly Sunny 2 mph NW 0%
Monday Night 40°F Mostly Cloudy 2 mph NE 0%
Tuesday 59°F Mostly Sunny 1 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Hyrum (41.633, -111.846). Updated through the day.

Growing snapshot for Hyrum

Last spring frost
May 12
First fall frost
Sep 28
Growing season
138 days
Hardiness zone
6a

More local growing data for Hyrum: nearby ZIP 84326 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Logan 5 Sw Exp Farm, Ut (3.8 mi from Hyrum). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.