Manassa, CO Weather & Growing Conditions
Overnight
40°F
Mostly Cloudy
Mostly cloudy, with a low around 40. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Cloudy | 5 to 10 mph S | 2% |
| Saturday | 75°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 20 mph SW | 15% |
| Saturday Night | 37°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 20 mph SW | 11% |
| Sunday | 75°F | Sunny | 0 to 15 mph SW | 1% |
| Sunday Night | 37°F | Mostly Clear | 0 to 15 mph WSW | 0% |
| Monday | 75°F | Mostly Sunny | 0 to 15 mph SSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 10 mph SSW | 2% |
| Tuesday | 72°F | Showers And Thunderstorms Likely | 5 to 15 mph SW | 58% |
| Tuesday Night | 40°F | Showers And Thunderstorms Likely | 10 to 15 mph S | 55% |
| Wednesday | 68°F | Rain Showers Likely then Chance Showers And Thunderstorms | 5 to 10 mph S | 55% |
| Wednesday Night | 39°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 31% |
| Thursday | 69°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph ENE | 44% |
| Thursday Night | 40°F | Chance Showers And Thunderstorms | 5 mph S | 41% |
| Friday | 69°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph S | 46% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Manassa, CO
Last spring frost
May 28
First fall frost
Sep 21
Growing season
115 days
Hardiness zone
5a
Explore more for Manassa, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Manassa, Co (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.