Byers, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byers, a community in Adams County, Colorado.
This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. North northeast wind around 7 mph.
7-day forecast for Byers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 7 mph NNE | 0% |
| Tonight | 30°F | Mostly Clear | 6 mph SSW | 0% |
| Wednesday | 56°F | Mostly Sunny | 3 to 8 mph NE | 3% |
| Wednesday Night | 31°F | Mostly Cloudy | 7 mph NNW | 2% |
| Thursday | 56°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 3 to 8 mph S | 0% |
| Friday | 56°F | Mostly Sunny | 3 to 7 mph NNW | 5% |
| Friday Night | 31°F | Mostly Clear | 3 to 7 mph W | 5% |
| Saturday | 59°F | Sunny | 2 to 7 mph NNW | 1% |
| Saturday Night | 31°F | Clear | 2 to 8 mph S | 0% |
| Sunday | 68°F | Sunny | 5 to 9 mph S | 0% |
| Sunday Night | 38°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 65°F | Sunny | 7 mph NE | 0% |
| Monday Night | 38°F | Partly Cloudy | 7 to 10 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Byers (39.709, -104.213). Updated through the day.
Growing snapshot for Byers
Last spring frost
May 13
First fall frost
Oct 2
Growing season
142 days
Hardiness zone
5b
More local growing data for Byers: nearby ZIP 80136 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Byers 5 Ene, Co (8.8 mi from Byers). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.