Newton, UT Weather & Growing Conditions
Tonight
34°F
Mostly Cloudy
Mostly cloudy. Low around 34, with temperatures rising to around 36 overnight. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Mostly Cloudy | 3 mph N | 3% |
| Wednesday | 54°F | Partly Sunny | 3 mph NNE | 8% |
| Wednesday Night | 31°F | Patchy Fog | 3 mph ENE | 5% |
| Thursday | 51°F | Patchy Fog then Slight Chance Light Rain | 3 mph SW | 16% |
| Thursday Night | 31°F | Slight Chance Light Rain then Patchy Fog | 2 mph NNW | 16% |
| Friday | 52°F | Patchy Fog then Mostly Sunny | 2 mph NNW | 1% |
| Friday Night | 30°F | Partly Cloudy | 2 mph SE | 1% |
| Saturday | 55°F | Sunny | 1 mph SSE | 0% |
| Saturday Night | 32°F | Mostly Clear | 1 mph SSE | 0% |
| Sunday | 59°F | Sunny | 1 to 5 mph SSE | 0% |
| Sunday Night | 35°F | Partly Cloudy | 2 mph ESE | 0% |
| Monday | 60°F | Mostly Sunny | 2 mph SE | 1% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph SE | 4% |
| Tuesday | 60°F | Mostly Sunny | 1 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Newton, UT
Last spring frost
May 3
First fall frost
Oct 12
Growing season
160 days
Hardiness zone
6a
Explore more for Newton, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Cutler Dam, Ut (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.