Merino, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merino, a town in Logan County, Colorado.
Overnight
58°F
Patchy Smoke
Patchy smoke. Mostly cloudy, with a low around 58. North northeast wind around 17 mph, with gusts as high as 28 mph.
7-day forecast for Merino
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Patchy Smoke | 17 mph NNE | 3% |
| Tuesday | 74°F | Patchy Smoke | 10 to 15 mph ENE | 4% |
| Tuesday Night | 55°F | Patchy Smoke | 7 to 12 mph ESE | 19% |
| Wednesday | 81°F | Patchy Smoke | 6 to 10 mph ESE | 11% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 7 to 12 mph SE | 1% |
| Thursday | 94°F | Sunny | 9 mph SSW | 2% |
| Thursday Night | 60°F | Clear | 3 to 10 mph SSE | 2% |
| Friday | 97°F | Sunny | 2 to 9 mph S | 1% |
| Friday Night | 64°F | Clear | 8 to 12 mph SSE | 1% |
| Saturday | 102°F | Sunny | 10 mph WNW | 1% |
| Saturday Night | 65°F | Mostly Clear | 7 to 14 mph SSE | 1% |
| Sunday | 101°F | Sunny | 6 to 10 mph S | 3% |
| Sunday Night | 66°F | Partly Cloudy | 5 to 12 mph SSE | 6% |
| Monday | 99°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph NNW | 15% |
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 Aug 4, 2026.