Lewis, CO Weather & Growing Conditions
Tonight
50°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Partly cloudy, with a low around 50. East southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph ESE | 46% |
| Saturday | 73°F | Sunny | 5 to 10 mph S | 6% |
| Saturday Night | 47°F | Mostly Clear | 5 mph NNE | 1% |
| Sunday | 72°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 46°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Monday | 73°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 51°F | Partly Cloudy | 5 to 10 mph SE | 6% |
| Tuesday | 71°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 59% |
| Tuesday Night | 49°F | Showers And Thunderstorms Likely | 10 to 15 mph ESE | 64% |
| Wednesday | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 47% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 mph ESE | 11% |
| Thursday | 70°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 33% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 5 mph SE | 43% |
| Friday | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 57% |
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 Sep 19, 2026.