Bonanza, CO Weather & Growing Conditions
Today
71°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a slight chance of showers and thunderstorms between noon and 2pm, then patchy smoke and a chance of showers and thunderstorms between 2pm and 3pm, then patchy smoke and a slight chance of showers and thunderstorms. Mostly sunny, with a high near 71. South wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 5 to 10 mph S | 25% |
| Tonight | 50°F | Patchy Smoke then Partly Cloudy | 5 to 10 mph WSW | 7% |
| Wednesday | 74°F | Sunny | 5 to 15 mph WSW | 1% |
| Wednesday Night | 50°F | Mostly Clear | 5 to 15 mph NW | 1% |
| Thursday | 76°F | Sunny | 5 to 15 mph W | 2% |
| Thursday Night | 51°F | Mostly Clear | 5 to 15 mph NNW | 0% |
| Friday | 75°F | Sunny | 5 to 10 mph SW | 1% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph NNW | 2% |
| Saturday | 75°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 15% |
| Saturday Night | 53°F | Partly Cloudy | 10 mph NNW | 1% |
| Sunday | 74°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 15% |
| Sunday Night | 52°F | Mostly Cloudy | 10 mph NW | 8% |
| Monday | 74°F | Sunny then Chance Showers And Thunderstorms | 5 mph WNW | 36% |
| Monday Night | 52°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph NW | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bonanza, CO
Last spring frost
May 16
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
5b
Explore more for Bonanza, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Saguache, Co (14.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.