Merino, CO Weather & Growing Conditions
Today
74°F
Patchy Smoke
Patchy smoke. Partly sunny, with a high near 74. East northeast wind around 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Smoke | 13 mph ENE | 3% |
| Tonight | 55°F | Patchy Smoke | 9 to 13 mph ESE | 19% |
| Wednesday | 81°F | Patchy Smoke | 7 to 10 mph ESE | 11% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 7 to 12 mph SE | 1% |
| Thursday | 95°F | Sunny | 6 to 9 mph SW | 2% |
| Thursday Night | 61°F | Clear | 5 to 10 mph SE | 2% |
| Friday | 100°F | Sunny | 3 to 8 mph SSE | 1% |
| Friday Night | 65°F | Clear | 12 mph S | 1% |
| Saturday | 103°F | Sunny | 10 mph WNW | 0% |
| Saturday Night | 66°F | Mostly Clear | 8 to 14 mph S | 1% |
| Sunday | 102°F | Sunny | 6 to 10 mph SSE | 3% |
| Sunday Night | 66°F | Partly Cloudy | 7 to 10 mph S | 6% |
| Monday | 100°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph NNW | 15% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph E | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Merino, CO
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b
Explore more for Merino, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Sterling, Co (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.