Merino, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merino, a town in Logan County, Colorado.
Today
59°F
Mostly Sunny
Mostly sunny. High near 59, with temperatures falling to around 52 in the afternoon. Northwest wind around 7 mph.
7-day forecast for Merino
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Mostly Sunny | 7 mph NW | 1% |
| Tonight | 33°F | Mostly Cloudy | 6 mph NNW | 1% |
| Thursday | 60°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Thursday Night | 31°F | Partly Cloudy | 3 mph S | 0% |
| Friday | 60°F | Mostly Sunny | 2 to 6 mph W | 2% |
| Friday Night | 30°F | Mostly Clear | 1 to 5 mph WNW | 2% |
| Saturday | 62°F | Sunny | 1 to 7 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 0 to 6 mph W | 0% |
| Sunday | 65°F | Sunny | 3 to 8 mph SSW | 0% |
| Sunday Night | 35°F | Mostly Clear | 6 mph SW | 0% |
| Monday | 65°F | Sunny | 2 to 6 mph NW | 0% |
| Monday Night | 34°F | Partly Cloudy | 3 mph SE | 0% |
| Tuesday | 65°F | Mostly Sunny | 6 mph S | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Merino (40.484, -103.354). Updated through the day.
Growing snapshot for Merino
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b
More local growing data for Merino: nearby ZIP 80741 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sterling, Co (14.7 mi from Merino). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.