Newton, UT Weather & Growing Conditions

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

This Afternoon

66°F

Slight Chance Showers And Thunderstorms

A slight chance of showers and thunderstorms. Partly sunny, with a high near 66. West northwest wind around 6 mph. Chance of precipitation is 20%.

7-day forecast for Newton

When	Temp	Forecast	Wind	Precip
This Afternoon	66°F	Slight Chance Showers And Thunderstorms	6 mph WNW	23%
Tonight	40°F	Slight Chance Showers And Thunderstorms then Mostly Clear	2 to 6 mph NNW	10%
Sunday	71°F	Sunny	3 mph WNW	1%
Sunday Night	43°F	Mostly Clear	3 mph E	0%
Monday	77°F	Sunny	3 mph N	0%
Monday Night	47°F	Partly Cloudy	3 mph E	1%
Tuesday	76°F	Partly Sunny	5 mph SSW	8%
Tuesday Night	48°F	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	3 mph SE	25%
Wednesday	77°F	Sunny	2 to 6 mph SSE	14%
Wednesday Night	47°F	Mostly Clear	5 mph SE	2%
Thursday	81°F	Sunny	5 mph SSW	0%
Thursday Night	50°F	Mostly Clear	3 mph ESE	1%
Friday	80°F	Sunny	2 to 6 mph SE	5%
Friday Night	50°F	Partly Cloudy then Slight Chance Rain Showers	2 to 6 mph SE	17%

Forecast source: National Weather Service (api.weather.gov) for Newton (41.861, -111.991). Updated through the day.

Growing snapshot for Newton

Last spring frost

May 3

First fall frost

Oct 12

Growing season

160 days

Hardiness zone

More local growing data for Newton: nearby ZIP 84327 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Cutler Dam, Ut (3.8 mi from Newton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.