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
55°F
Patchy Smoke
Patchy smoke. Partly cloudy, with a low around 55. Northeast wind around 30 mph, with gusts as high as 45 mph.
7-day forecast for Fort Garland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Patchy Smoke | 30 mph NE | 1% |
| Tuesday | 86°F | Patchy Smoke then Chance Showers And Thunderstorms | 5 to 30 mph WSW | 38% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 15 mph NNE | 29% |
| Wednesday | 87°F | Sunny | 10 to 15 mph W | 4% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 15 mph ENE | 3% |
| Thursday | 88°F | Sunny | 5 to 15 mph W | 4% |
| Thursday Night | 56°F | Mostly Clear | 5 to 15 mph ENE | 2% |
| Friday | 87°F | Sunny | 5 to 15 mph S | 6% |
| Friday Night | 56°F | Mostly Clear | 5 to 15 mph ESE | 1% |
| Saturday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 12% |
| Saturday Night | 58°F | Partly Cloudy | 5 to 15 mph SE | 5% |
| Sunday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 mph SSE | 15% |
| Monday | 87°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 16% |
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 Aug 4, 2026.