Alma, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alma, a town in Park County, Colorado.
Overnight
24°F
Partly Cloudy
Partly cloudy, with a low around 24. West northwest wind around 5 mph.
7-day forecast for Alma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 24°F | Partly Cloudy | 5 mph WNW | 0% |
| Wednesday | 39°F | Snow Showers | 2 to 12 mph SSE | 82% |
| Wednesday Night | 20°F | Snow Showers | 5 to 8 mph NNW | 85% |
| Thursday | 39°F | Sunny | 1 to 5 mph SSW | 0% |
| Thursday Night | 24°F | Mostly Cloudy | 5 mph WSW | 0% |
| Friday | 39°F | Slight Chance Snow Showers | 6 mph WNW | 24% |
| Friday Night | 20°F | Slight Chance Snow Showers then Mostly Clear | 5 to 9 mph NW | 24% |
| Saturday | 41°F | Sunny | 3 to 9 mph NW | 4% |
| Saturday Night | 24°F | Mostly Clear | 3 to 9 mph NW | 0% |
| Sunday | 47°F | Sunny | 5 to 9 mph WNW | 0% |
| Sunday Night | 27°F | Mostly Clear | 7 to 13 mph NW | 0% |
| Monday | 49°F | Sunny | 3 to 10 mph NW | 0% |
| Monday Night | 28°F | Partly Cloudy | 3 to 9 mph WNW | 1% |
| Tuesday | 45°F | Mostly Sunny | 6 to 9 mph WNW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Alma (39.286, -106.069). Updated through the day.
Growing snapshot for Alma
Growing season
61 days
Hardiness zone
5a
More local growing data for Alma: nearby ZIP 80420 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Climax, Co (4.9 mi from Alma). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.