Arapahoe, CO Weather & Growing Conditions
Today
80°F
Partly Sunny
Partly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Northeast wind 10 to 25 mph, with gusts as high as 40 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny | 10 to 25 mph NE | 6% |
| Tonight | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph E | 15% |
| Wednesday | 83°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Wednesday Night | 56°F | Partly Cloudy then Chance Rain Showers | 0 to 10 mph SE | 26% |
| Thursday | 93°F | Sunny | 0 to 10 mph S | 3% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SE | 1% |
| Friday | 98°F | Sunny | 0 to 10 mph S | 2% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph S | 2% |
| Saturday | 102°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 65°F | Mostly Clear | 10 to 15 mph S | 1% |
| Sunday | 103°F | Sunny | 10 to 15 mph S | 0% |
| Sunday Night | 66°F | Mostly Clear | 10 to 15 mph S | 2% |
| Monday | 102°F | Sunny | 10 to 15 mph S | 1% |
| Monday Night | 66°F | Mostly Clear | 10 to 15 mph S | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arapahoe, CO
Last spring frost
May 5
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a
Explore more for Arapahoe, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Arapahoe 12S, Co (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.