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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.

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

WhenTempForecastWindPrecip
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
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 20, 2026.