Lamar, CO Weather & Growing Conditions
This Afternoon
55°F
Sunny
Sunny, with a high near 55. North northwest wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Sunny | 5 to 15 mph NNW | 0% |
| Tonight | 35°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 60°F | Mostly Sunny | 5 to 15 mph SE | 10% |
| Wednesday Night | 38°F | Rain Showers Likely | 10 to 15 mph NNE | 70% |
| Thursday | 59°F | Mostly Sunny | 5 to 15 mph NNW | 5% |
| Thursday Night | 32°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Friday | 62°F | Mostly Sunny | 5 to 10 mph SSE | 3% |
| Friday Night | 33°F | Partly Cloudy | 5 to 10 mph WSW | 4% |
| Saturday | 61°F | Sunny | 5 to 10 mph W | 3% |
| Saturday Night | 32°F | Mostly Clear | 5 to 10 mph SW | 2% |
| Sunday | 66°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 10 mph SW | 0% |
| Monday | 67°F | Sunny | 5 to 10 mph NNW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamar, CO
Last spring frost
May 2
First fall frost
Oct 7
Growing season
157 days
Hardiness zone
6a
Explore more for Lamar, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Lamar Muni Ap, Co (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.