Highlands Ranch, CO Weather & Growing Conditions
Today
56°F
Partly Sunny then Chance Rain Showers
A chance of rain showers after 5pm. Partly sunny. High near 56, with temperatures falling to around 51 in the afternoon. Northeast wind around 8 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Partly Sunny then Chance Rain Showers | 8 mph NE | 29% |
| Tonight | 36°F | Chance Rain Showers then Mostly Cloudy | 2 to 7 mph NW | 29% |
| Thursday | 57°F | Sunny | 2 to 7 mph SSE | 0% |
| Thursday Night | 37°F | Partly Cloudy | 3 to 8 mph S | 0% |
| Friday | 56°F | Mostly Sunny | 6 mph NNW | 9% |
| Friday Night | 34°F | Mostly Clear | 3 to 7 mph WSW | 9% |
| Saturday | 58°F | Sunny | 2 to 9 mph E | 2% |
| Saturday Night | 35°F | Mostly Clear | 3 to 10 mph S | 0% |
| Sunday | 66°F | Sunny | 2 to 13 mph SSE | 0% |
| Sunday Night | 39°F | Mostly Clear | 3 to 9 mph SSW | 0% |
| Monday | 66°F | Sunny | 2 to 9 mph ESE | 0% |
| Monday Night | 39°F | Partly Cloudy | 6 mph SSE | 0% |
| Tuesday | 64°F | Mostly Sunny | 2 to 6 mph ENE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 3 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Highlands Ranch, CO
Last spring frost
May 5
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
6a
Explore more for Highlands Ranch, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Denver Centennial Ap, Co (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.