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Newton, UT Weather & Growing Conditions

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

Tonight
46°F
Scattered Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Scattered showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms. Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. North wind 1 to 5 mph. Chance of precipitation is 30%.

7-day forecast for Newton

WhenTempForecastWindPrecip
Tonight 46°F Scattered Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 1 to 5 mph N 32%
Saturday 65°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 6 mph WNW 50%
Saturday Night 43°F Slight Chance Showers And Thunderstorms then Partly Cloudy 1 to 5 mph N 17%
Sunday 70°F Sunny 3 mph NNW 0%
Sunday Night 45°F Mostly Clear 3 mph ESE 0%
Monday 76°F Sunny 3 mph N 0%
Monday Night 49°F Partly Cloudy 3 mph NE 0%
Tuesday 76°F Mostly Sunny 5 mph W 4%
Tuesday Night 49°F Slight Chance Showers And Thunderstorms 3 mph SE 16%
Wednesday 77°F Sunny 3 mph SSE 5%
Wednesday Night 48°F Mostly Clear 3 mph E 4%
Thursday 80°F Sunny 3 mph SSW 3%
Thursday Night 50°F Partly Cloudy 3 mph ESE 4%
Friday 80°F Mostly Sunny 5 mph SE 7%

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
6a

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 19, 2026.