Arapahoe, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arapahoe, a community in Cheyenne County, Colorado.
This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 47 in the afternoon. Northwest wind 10 to 15 mph.
7-day forecast for Arapahoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Sunny | 10 to 15 mph NW | 0% |
| Tonight | 32°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 56°F | Sunny | 5 mph NW | 3% |
| Wednesday Night | 35°F | Chance Rain Showers | 5 to 10 mph N | 32% |
| Thursday | 53°F | Mostly Sunny | 0 to 15 mph N | 2% |
| Thursday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Friday | 57°F | Mostly Sunny | 0 to 5 mph S | 2% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Saturday | 60°F | Sunny | 0 to 5 mph NW | 2% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 66°F | Sunny | 5 to 10 mph N | 0% |
| Monday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for Arapahoe (38.853, -102.179). Updated through the day.
Growing snapshot for Arapahoe
Last spring frost
May 5
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a
More local growing data for Arapahoe: nearby ZIP 80802 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Arapahoe 12S, Co (9.9 mi from Arapahoe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.