Mendon, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mendon, a city in Cache County, Utah.
Today
52°F
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 47 in the afternoon. North northeast wind around 2 mph.
7-day forecast for Mendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Mostly Sunny | 2 mph NNE | 0% |
| Tonight | 34°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph SSE | 18% |
| Wednesday | 50°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph N | 18% |
| Wednesday Night | 32°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 50°F | Partly Sunny | 2 mph N | 10% |
| Thursday Night | 32°F | Mostly Cloudy | 1 mph E | 10% |
| Friday | 51°F | Mostly Sunny | 2 mph NW | 1% |
| Friday Night | 32°F | Partly Cloudy | 3 mph SE | 1% |
| Saturday | 54°F | Sunny | 2 mph NE | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 57°F | Sunny | 1 mph SSW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 2 mph ESE | 0% |
| Monday | 58°F | Mostly Sunny | 2 mph N | 0% |
| Monday Night | 37°F | Mostly Cloudy | 2 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mendon (41.712, -111.978). Updated through the day.
Growing snapshot for Mendon
Last spring frost
May 8
First fall frost
Oct 2
Growing season
145 days
Hardiness zone
6a
More local growing data for Mendon: nearby ZIP 84325 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Amalga
Avon
Benson
Cache
Clarkston
Cornish
Hyde Park
Hyrum
Lewiston
Logan
Millville
Newton
Nibley
North Logan
Paradise
Peter
Providence
Richmond
River Heights
Smithfield
Trenton
Wellsville
Climate data from the nearest NOAA station, Logan Radio Kvnu, Ut (7.3 mi from Mendon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.