Byers, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byers, a community in Adams County, Colorado.
Today
77°F
Patchy Smoke
Patchy smoke. Mostly sunny. High near 77, with temperatures falling to around 74 in the afternoon. East wind 8 to 14 mph, with gusts as high as 22 mph.
7-day forecast for Byers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Smoke | 8 to 14 mph E | 9% |
| Tonight | 56°F | Patchy Smoke | 12 to 15 mph SE | 11% |
| Wednesday | 85°F | Patchy Smoke | 7 to 12 mph NNE | 0% |
| Wednesday Night | 59°F | Mostly Clear | 12 to 15 mph SSE | 3% |
| Thursday | 94°F | Sunny | 6 to 14 mph NW | 1% |
| Thursday Night | 63°F | Clear | 12 mph SSE | 2% |
| Friday | 97°F | Sunny | 5 to 9 mph NNW | 0% |
| Friday Night | 65°F | Mostly Clear | 9 to 16 mph SSE | 1% |
| Saturday | 99°F | Sunny | 7 to 14 mph WNW | 1% |
| Saturday Night | 67°F | Mostly Clear | 8 to 17 mph S | 1% |
| Sunday | 99°F | Sunny | 7 to 10 mph NNW | 4% |
| Sunday Night | 67°F | Partly Cloudy | 10 to 14 mph SSW | 3% |
| Monday | 98°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph NNW | 15% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 9 mph SW | 17% |
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 Aug 4, 2026.