Alma, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alma, a town in Park County, Colorado.
This Afternoon
59°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Alma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Showers And Thunderstorms Likely | 8 mph WSW | 65% |
| Tonight | 41°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 mph W | 22% |
| Saturday | 59°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 13 mph W | 38% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 12 mph W | 12% |
| Sunday | 57°F | Mostly Sunny | 6 to 16 mph W | 4% |
| Sunday Night | 34°F | Mostly Clear | 2 to 13 mph WNW | 1% |
| Monday | 61°F | Mostly Sunny | 2 to 9 mph WNW | 0% |
| Monday Night | 38°F | Partly Cloudy | 5 to 8 mph W | 7% |
| Tuesday | 59°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph WSW | 54% |
| Tuesday Night | 39°F | Chance Showers And Thunderstorms | 8 mph SSW | 39% |
| Wednesday | 58°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph WSW | 33% |
| Wednesday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph NW | 22% |
| Thursday | 58°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 36% |
| Thursday Night | 40°F | Chance Showers And Thunderstorms | 5 to 9 mph SSW | 37% |
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 Sep 19, 2026.