Lewis, CO Weather & Growing Conditions
This Afternoon
50°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny, with a high near 50. West southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph WSW | 16% |
| Tonight | 32°F | Slight Chance Rain And Snow Showers then Mostly Clear | 5 to 10 mph NNW | 17% |
| Thursday | 50°F | Sunny | 5 mph S | 0% |
| Thursday Night | 35°F | Mostly Cloudy | 0 to 5 mph ENE | 0% |
| Friday | 52°F | Sunny | 5 to 10 mph W | 3% |
| Friday Night | 33°F | Mostly Clear | 10 mph NNE | 0% |
| Saturday | 54°F | Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 34°F | Clear | 5 mph NE | 0% |
| Sunday | 55°F | Sunny | 5 mph SSW | 0% |
| Sunday Night | 35°F | Mostly Clear | 5 mph NE | 0% |
| Monday | 56°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 36°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Tuesday | 54°F | Mostly Sunny | 5 mph WSW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 5 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewis, CO
Last spring frost
May 17
First fall frost
Oct 9
Growing season
145 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 2W, Co (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.