Welby, CO Weather & Growing Conditions
Overnight
62°F
Patchy Smoke
Patchy smoke. Mostly cloudy. Low around 62, with temperatures rising to around 65 overnight. North northeast wind around 10 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Smoke | 10 mph NNE | 11% |
| Tuesday | 80°F | Patchy Smoke | 6 to 9 mph ENE | 15% |
| Tuesday Night | 59°F | Patchy Smoke | 5 to 10 mph NNE | 11% |
| Wednesday | 88°F | Patchy Smoke | 3 to 9 mph NNE | 0% |
| Wednesday Night | 63°F | Mostly Clear | 3 to 9 mph SSW | 3% |
| Thursday | 96°F | Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 66°F | Clear | 5 to 8 mph SSE | 2% |
| Friday | 99°F | Sunny | 3 to 8 mph SSE | 0% |
| Friday Night | 70°F | Mostly Clear | 9 mph SSE | 0% |
| Saturday | 100°F | Sunny | 5 to 8 mph NNE | 1% |
| Saturday Night | 70°F | Partly Cloudy | 5 to 8 mph W | 0% |
| Sunday | 100°F | Sunny | 3 to 8 mph ENE | 6% |
| Sunday Night | 71°F | Partly Cloudy | 3 to 9 mph WNW | 3% |
| Monday | 99°F | Sunny | 3 to 10 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Welby, CO
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6a
Explore more for Welby, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Northglenn, Co (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.