Calhan, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calhan, a town in El Paso County, Colorado.
Overnight
55°F
Patchy Smoke
Patchy smoke. Mostly cloudy, with a low around 55. North wind 20 to 25 mph, with gusts as high as 45 mph.
7-day forecast for Calhan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Patchy Smoke | 20 to 25 mph N | 8% |
| Tuesday | 76°F | Patchy Smoke | 10 to 30 mph ENE | 12% |
| Tuesday Night | 54°F | Patchy Smoke then Partly Cloudy | 10 to 15 mph SSE | 11% |
| Wednesday | 83°F | Sunny | 10 to 15 mph ENE | 7% |
| Wednesday Night | 55°F | Mostly Clear | 10 to 15 mph S | 9% |
| Thursday | 90°F | Sunny | 10 to 15 mph WSW | 1% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph S | 3% |
| Friday | 93°F | Sunny | 5 to 10 mph NE | 1% |
| Friday Night | 62°F | Mostly Clear | 10 mph SSE | 1% |
| Saturday | 94°F | Sunny | 10 mph SSW | 2% |
| Saturday Night | 64°F | Partly Cloudy | 10 mph S | 0% |
| Sunday | 95°F | Sunny | 5 to 10 mph SSW | 5% |
| Sunday Night | 64°F | Partly Cloudy | 10 mph SSW | 3% |
| Monday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Calhan (39.034, -104.299). Updated through the day.
Growing snapshot for Calhan
Last spring frost
May 9
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
5b
More local growing data for Calhan: nearby ZIP 80808 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Air Force Academy
Black Forest
Cascade-Chipita Park
Cimarron Hills
Colorado Springs
Ellicott
Fort Carson
Fountain
Gleneagle
Green Mountain Falls
Manitou Springs
Monument
Palmer Lake
Peyton
Rock Creek Park
Security-Widefield
Stratmoor
Woodmoor
Climate data from the nearest NOAA station, Rush 1N, Co (15.2 mi from Calhan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.