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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.

This Afternoon
73°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 68 in the afternoon. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Hyrum

WhenTempForecastWindPrecip
This Afternoon 73°F Chance Showers And Thunderstorms 5 mph N 72%
Tonight 47°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 3 mph ESE 83%
Saturday 66°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 5 mph SW 38%
Saturday Night 44°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 mph E 23%
Sunday 69°F Sunny 3 mph NNE 0%
Sunday Night 46°F Mostly Clear 3 mph E 0%
Monday 75°F Sunny 1 to 5 mph E 0%
Monday Night 51°F Partly Cloudy 1 to 5 mph NE 2%
Tuesday 76°F Partly Sunny 1 to 5 mph W 8%
Tuesday Night 51°F Slight Chance Showers And Thunderstorms 0 to 5 mph SSE 22%
Wednesday 77°F Sunny 5 mph WSW 6%
Wednesday Night 51°F Mostly Clear 1 to 5 mph E 4%
Thursday 80°F Sunny 5 mph SW 4%
Thursday Night 53°F Partly Cloudy 1 to 7 mph SE 4%

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 Sep 19, 2026.