Fort Garland, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Garland, a community in Costilla County, Colorado.
Overnight
29°F
Partly Cloudy
Partly cloudy, with a low around 29. West northwest wind around 5 mph.
7-day forecast for Fort Garland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Partly Cloudy | 5 mph WNW | 0% |
| Wednesday | 50°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 15 mph WSW | 18% |
| Wednesday Night | 28°F | Slight Chance T-storms | 0 to 10 mph SSE | 28% |
| Thursday | 47°F | Sunny | 0 to 10 mph NW | 10% |
| Thursday Night | 29°F | Partly Cloudy | 5 mph SE | 0% |
| Friday | 48°F | Mostly Sunny | 5 mph SW | 6% |
| Friday Night | 27°F | Partly Cloudy | 0 to 5 mph ESE | 7% |
| Saturday | 49°F | Sunny | 0 to 10 mph WNW | 8% |
| Saturday Night | 27°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Sunday | 52°F | Sunny | 0 to 10 mph SSW | 0% |
| Sunday Night | 31°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Monday | 55°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 32°F | Partly Cloudy | 0 to 5 mph SSE | 1% |
| Tuesday | 54°F | Mostly Sunny | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fort Garland (37.428, -105.435). Updated through the day.
Growing snapshot for Fort Garland
Last spring frost
May 25
First fall frost
Sep 22
Growing season
117 days
Hardiness zone
5b
More local growing data for Fort Garland: nearby ZIP 81133 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Blanca 4 Nw, Co (13.5 mi from Fort Garland). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.