Byers, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byers, a community in Adams County, Colorado.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 83, with temperatures falling to around 75 in the afternoon. South wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Byers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 6 mph S | 47% |
| Tonight | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 8 mph W | 53% |
| Saturday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph ENE | 83% |
| Saturday Night | 51°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 60% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 68% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 39% |
| Monday | 72°F | Mostly Sunny | 3 to 9 mph SSE | 9% |
| Monday Night | 52°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph SSE | 18% |
| Tuesday | 77°F | Mostly Sunny | 14 to 18 mph SSE | 7% |
| Tuesday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 14 to 17 mph SSE | 25% |
| Wednesday | 77°F | Partly Sunny | 6 to 13 mph S | 12% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 8 mph SSW | 17% |
| Thursday | 78°F | Partly Sunny | 6 to 9 mph N | 9% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph S | 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 Sep 19, 2026.