Hartman, CO Weather & Growing Conditions
Today
80°F
Patchy Smoke
Patchy smoke between 9am and 3pm. Mostly sunny, with a high near 80. North northeast wind 15 to 25 mph, with gusts as high as 45 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Smoke | 15 to 25 mph NNE | 6% |
| Tonight | 59°F | Patchy Smoke then Partly Cloudy | 10 to 15 mph ENE | 9% |
| Wednesday | 88°F | Mostly Sunny | 5 to 20 mph E | 0% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 20 mph E | 30% |
| Thursday | 94°F | Sunny | 5 to 15 mph SE | 1% |
| Thursday Night | 63°F | Mostly Clear | 5 to 15 mph ESE | 5% |
| Friday | 99°F | Sunny | 5 to 15 mph S | 3% |
| Friday Night | 64°F | Clear | 10 to 15 mph SSE | 4% |
| Saturday | 101°F | Sunny | 5 to 15 mph S | 0% |
| Saturday Night | 67°F | Mostly Clear | 15 mph SSE | 0% |
| Sunday | 102°F | Sunny | 10 to 15 mph SSW | 0% |
| Sunday Night | 68°F | Mostly Clear | 15 to 20 mph S | 1% |
| Monday | 102°F | Sunny | 15 to 20 mph S | 0% |
| Monday Night | 68°F | Mostly Clear | 15 to 20 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartman, CO
Last spring frost
May 1
First fall frost
Oct 12
Growing season
163 days
Hardiness zone
6a
Explore more for Hartman, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Holly, Co (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.