Ellicott, CO Weather & Growing Conditions
Today
78°F
Patchy Smoke
Patchy smoke before 5pm. Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. East northeast wind 10 to 20 mph, with gusts as high as 31 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 10 to 20 mph ENE | 9% |
| Tonight | 55°F | Partly Cloudy then Patchy Smoke | 7 to 13 mph SE | 11% |
| Wednesday | 85°F | Mostly Sunny | 6 to 16 mph ESE | 2% |
| Wednesday Night | 56°F | Mostly Clear | 5 to 15 mph SE | 5% |
| Thursday | 90°F | Sunny | 6 to 12 mph SSE | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 13 mph NE | 1% |
| Friday | 95°F | Sunny | 5 to 13 mph NNE | 1% |
| Friday Night | 60°F | Mostly Clear | 5 to 12 mph S | 1% |
| Saturday | 97°F | Sunny | 5 to 13 mph SSW | 1% |
| Saturday Night | 64°F | Mostly Clear | 6 to 14 mph S | 1% |
| Sunday | 97°F | Sunny | 6 to 14 mph SSW | 2% |
| Sunday Night | 65°F | Partly Cloudy | 6 to 14 mph SSW | 0% |
| Monday | 96°F | Sunny | 6 to 13 mph NE | 3% |
| Monday Night | 64°F | Partly Cloudy | 12 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ellicott, CO
Last spring frost
May 9
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
5b
Explore more for Ellicott, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Rush 1N, Co (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.