Plymouth, UT Weather & Growing Conditions
Tonight
45°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms between midnight and 3am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. North wind 2 to 8 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 to 8 mph N | 58% |
| Saturday | 68°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph WNW | 50% |
| Saturday Night | 42°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph N | 11% |
| Sunday | 73°F | Sunny | 5 mph NW | 0% |
| Sunday Night | 46°F | Mostly Clear | 3 mph ENE | 0% |
| Monday | 79°F | Sunny | 5 mph ESE | 0% |
| Monday Night | 50°F | Partly Cloudy | 3 mph NE | 0% |
| Tuesday | 80°F | Mostly Sunny | 6 mph SE | 4% |
| Tuesday Night | 50°F | Slight Chance Showers And Thunderstorms | 5 mph SSE | 13% |
| Wednesday | 80°F | Sunny | 2 to 6 mph S | 4% |
| Wednesday Night | 50°F | Mostly Clear | 5 mph NNW | 4% |
| Thursday | 83°F | Sunny | 2 to 6 mph ESE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph SE | 4% |
| Friday | 82°F | Mostly Sunny | 3 to 9 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, UT
Last spring frost
May 3
First fall frost
Oct 12
Growing season
160 days
Hardiness zone
6a
Explore more for Plymouth, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Cutler Dam, Ut (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.