Lamar, CO Weather & Growing Conditions
Overnight
65°F
Partly Cloudy
Partly cloudy, with a low around 65. North wind 20 to 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Partly Cloudy | 20 to 25 mph N | 2% |
| Tuesday | 83°F | Patchy Smoke | 15 to 25 mph NNE | 3% |
| Tuesday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph E | 10% |
| Wednesday | 90°F | Sunny | 10 to 20 mph E | 0% |
| Wednesday Night | 60°F | Mostly Clear then Slight Chance Rain Showers | 5 to 20 mph E | 22% |
| Thursday | 97°F | Sunny | 5 to 15 mph SSE | 1% |
| Thursday Night | 65°F | Mostly Clear | 10 to 15 mph SE | 5% |
| Friday | 101°F | Sunny | 5 to 15 mph S | 2% |
| Friday Night | 66°F | Mostly Clear | 10 to 15 mph SSE | 4% |
| Saturday | 103°F | Sunny | 10 mph S | 0% |
| Saturday Night | 69°F | Mostly Clear | 15 to 20 mph S | 0% |
| Sunday | 104°F | Sunny | 10 to 15 mph SSW | 0% |
| Sunday Night | 70°F | Mostly Clear | 20 mph S | 0% |
| Monday | 104°F | Sunny | 15 mph S | 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 Aug 4, 2026.