Keenesburg, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keenesburg, a town in Weld County, Colorado.
Today
79°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 72 in the afternoon. North northeast wind 3 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Keenesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 12 mph NNE | 78% |
| Tonight | 50°F | Chance Showers And Thunderstorms | 2 to 10 mph S | 53% |
| 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 | 52°F | Partly Cloudy | 5 to 15 mph SSE | 14% |
| Wednesday | 78°F | Mostly Sunny | 3 to 8 mph WNW | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 8 mph SSW | 14% |
| Thursday | 79°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 9 mph S | 11% |
| Friday | 80°F | Mostly Sunny | 3 to 12 mph S | 10% |
| Friday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 7 to 13 mph S | 15% |
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 19, 2026.