Nunn, CO Weather & Growing Conditions
Overnight
51°F
Slight Chance Rain Showers
A slight chance of rain showers before 2am. Mostly cloudy, with a low around 51. North northwest wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Slight Chance Rain Showers | 5 mph NNW | 15% |
| Saturday | 72°F | Partly Sunny then Chance Showers And Thunderstorms | 8 mph W | 67% |
| Saturday Night | 45°F | Chance Showers And Thunderstorms | 7 mph NW | 44% |
| Sunday | 67°F | Chance Rain Showers | 5 to 8 mph N | 43% |
| Sunday Night | 43°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph N | 33% |
| Monday | 67°F | Sunny | 3 to 12 mph SW | 2% |
| Monday Night | 45°F | Partly Cloudy | 5 to 12 mph SE | 11% |
| Tuesday | 71°F | Mostly Sunny | 5 to 14 mph SSE | 3% |
| Tuesday Night | 48°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 14 mph ESE | 19% |
| Wednesday | 74°F | Partly Sunny | 5 to 9 mph ESE | 14% |
| Wednesday Night | 49°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 8 mph ESE | 15% |
| Thursday | 76°F | Sunny | 6 to 10 mph SW | 3% |
| Thursday Night | 50°F | Partly Cloudy | 3 to 10 mph SSE | 8% |
| Friday | 76°F | Mostly Sunny | 5 to 12 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nunn, CO
Last spring frost
May 13
First fall frost
Sep 27
Growing season
136 days
Hardiness zone
5b
Explore more for Nunn, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Nunn 7 Nne, Co (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.