Lamar, CO Weather & Growing Conditions
Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. West wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Mostly Cloudy | 10 to 15 mph W | 7% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph N | 7% |
| Saturday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph ENE | 58% |
| Sunday | 75°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph NNE | 18% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 15 mph NE | 67% |
| Monday | 73°F | Chance Rain Showers then Partly Sunny | 5 to 15 mph E | 28% |
| Monday Night | 55°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph ESE | 57% |
| Tuesday | 73°F | Chance Rain Showers | 15 to 25 mph SSE | 29% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 20 mph SE | 32% |
| Wednesday | 75°F | Chance Rain Showers | 25 mph S | 36% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 15 to 20 mph S | 32% |
| Thursday | 78°F | Chance Showers And Thunderstorms | 10 mph S | 26% |
| Thursday Night | 58°F | Chance Showers And Thunderstorms | 10 mph SSE | 30% |
| Friday | 77°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 23% |
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 Sep 19, 2026.