Flagler, CO Weather & Growing Conditions
Tonight
31°F
Mostly Clear
Mostly clear, with a low around 31. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Mostly Clear | 5 to 10 mph W | 0% |
| Wednesday | 56°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Wednesday Night | 33°F | Mostly Cloudy | 5 to 15 mph N | 9% |
| Thursday | 55°F | Mostly Sunny | 5 to 20 mph N | 0% |
| Thursday Night | 32°F | Mostly Clear | 5 to 10 mph W | 0% |
| Friday | 58°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Friday Night | 33°F | Mostly Clear | 5 to 10 mph W | 2% |
| Saturday | 59°F | Sunny | 5 to 15 mph NW | 2% |
| Saturday Night | 33°F | Mostly Clear | 5 to 10 mph W | 2% |
| Sunday | 65°F | Sunny | 10 to 15 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 15 mph W | 0% |
| Monday | 66°F | Sunny | 10 to 15 mph N | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph S | 0% |
| Tuesday | 64°F | Mostly Sunny | 10 to 15 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Flagler, CO
Last spring frost
May 5
First fall frost
Oct 8
Growing season
155 days
Hardiness zone
5b
Explore more for Flagler, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Flagler 1S, Co (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.