Lewis, CO Weather & Growing Conditions
Tonight
55°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms between midnight and 5am. Mostly cloudy, with a low around 55. East southeast wind 10 to 15 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph ESE | 46% |
| Saturday | 74°F | Sunny | 5 to 15 mph S | 6% |
| Saturday Night | 52°F | Mostly Clear | 5 to 10 mph E | 1% |
| Sunday | 74°F | Sunny | 5 to 10 mph NW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Monday | 75°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 55°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 11% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 53% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 10 to 15 mph ESE | 59% |
| Wednesday | 71°F | Chance Rain Showers | 5 to 10 mph SSE | 36% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 16% |
| Thursday | 72°F | Chance Rain Showers | 5 to 10 mph SE | 35% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 33% |
| Friday | 71°F | Chance Rain Showers | 5 to 10 mph SSE | 47% |
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 (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.