Keenesburg, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keenesburg, a town in Weld County, Colorado.
Overnight
50°F
Slight Chance Rain Showers
A slight chance of rain showers after 3am. Partly cloudy. Low around 50, with temperatures rising to around 53 overnight. South wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Keenesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Slight Chance Rain Showers | 3 mph S | 15% |
| Sunday | 70°F | Chance Showers And Thunderstorms | 3 to 10 mph NNE | 30% |
| Sunday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 10 mph NNW | 20% |
| Monday | 73°F | Mostly Sunny | 2 to 13 mph NE | 2% |
| Monday Night | 49°F | Partly Cloudy | 8 to 13 mph SE | 7% |
| Tuesday | 79°F | Sunny | 3 to 12 mph SSE | 2% |
| Tuesday Night | 53°F | Partly Cloudy | 6 to 14 mph SSE | 10% |
| Wednesday | 80°F | Mostly Sunny | 6 mph NW | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 6 mph SW | 10% |
| Thursday | 81°F | Mostly Sunny | 3 to 9 mph NNE | 2% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 9 mph SE | 6% |
| Friday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 12 mph SSE | 20% |
| Friday Night | 54°F | Chance Showers And Thunderstorms | 6 to 12 mph S | 27% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 8 mph SW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Keenesburg (40.155, -104.563). Updated through the day.
Growing snapshot for Keenesburg
Last spring frost
May 5
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
5b
More local growing data for Keenesburg: nearby ZIP 80643 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Denver Intl Ap, Co (21.3 mi from Keenesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.