Lewis, CO Weather & Growing Conditions
Tonight
33°F
Mostly Clear
Mostly clear, with a low around 33. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Clear | 5 to 10 mph E | 0% |
| Wednesday | 50°F | Chance Showers And Thunderstorms | 10 to 15 mph SSW | 25% |
| Wednesday Night | 31°F | Slight Chance Rain Showers then Mostly Clear | 5 to 10 mph WNW | 17% |
| Thursday | 50°F | Mostly Sunny | 5 mph S | 0% |
| Thursday Night | 34°F | Mostly Cloudy | 5 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 5 mph WNW | 2% |
| Friday Night | 32°F | Mostly Clear | 10 mph NNE | 0% |
| Saturday | 54°F | Sunny | 5 to 10 mph NNW | 0% |
| Saturday Night | 34°F | Clear | 5 mph NE | 0% |
| Sunday | 56°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Monday | 57°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Monday Night | 38°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Tuesday | 57°F | Mostly Sunny | 5 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewis, CO
Last spring frost
May 15
First fall frost
Oct 8
Growing season
147 days
Hardiness zone
6b
Explore more for Lewis, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Yellow Jacket 4Ne, Co (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.