Ellicott, CO Weather & Growing Conditions
This Afternoon
84°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 81 in the afternoon. Southwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 21% |
| Tonight | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph N | 17% |
| Saturday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph SW | 24% |
| Saturday Night | 51°F | Chance Showers And Thunderstorms | 6 to 15 mph NNE | 54% |
| Sunday | 71°F | Partly Sunny then Showers And Thunderstorms Likely | 5 to 13 mph SSE | 60% |
| Sunday Night | 48°F | Showers And Thunderstorms Likely | 3 to 13 mph NNE | 69% |
| Monday | 69°F | Mostly Sunny | 3 to 14 mph S | 13% |
| Monday Night | 49°F | Chance Showers And Thunderstorms | 10 to 14 mph SE | 53% |
| Tuesday | 71°F | Slight Chance Rain Showers then Mostly Sunny | 12 to 17 mph SSE | 16% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms then Mostly Cloudy | 9 to 17 mph SE | 33% |
| Wednesday | 73°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 14 mph SSE | 18% |
| Wednesday Night | 52°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 12 mph S | 20% |
| Thursday | 74°F | Slight Chance Rain Showers | 7 to 12 mph NNE | 17% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 5 to 12 mph E | 24% |
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 Sep 19, 2026.