Keenesburg, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keenesburg, a town in Weld County, Colorado.
Today
78°F
Patchy Smoke
Patchy smoke. Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. East northeast wind 9 to 14 mph, with gusts as high as 22 mph.
7-day forecast for Keenesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 9 to 14 mph ENE | 5% |
| Tonight | 55°F | Patchy Smoke | 7 to 15 mph E | 10% |
| Wednesday | 86°F | Patchy Smoke | 5 to 13 mph NE | 0% |
| Wednesday Night | 58°F | Patchy Smoke then Mostly Clear | 7 to 13 mph SSE | 1% |
| Thursday | 97°F | Sunny | 5 to 9 mph NNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 6 to 9 mph S | 1% |
| Friday | 99°F | Sunny | 5 to 9 mph NE | 0% |
| Friday Night | 65°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Saturday | 102°F | Sunny | 6 to 9 mph NW | 1% |
| Saturday Night | 64°F | Partly Cloudy | 8 to 12 mph WSW | 1% |
| Sunday | 101°F | Sunny | 6 to 9 mph NW | 3% |
| Sunday Night | 65°F | Partly Cloudy | 7 to 10 mph WSW | 5% |
| Monday | 100°F | Sunny | 7 to 13 mph N | 7% |
| Monday Night | 64°F | Mostly Cloudy | 7 to 14 mph NNW | 14% |
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
Nearby towns & communities
Aristocrat Ranchettes
Ault
Berthoud
Briggsdale
Dacono
Eaton
Erie
Evans
Firestone
Fort Lupton
Frederick
Garden City
Gilcrest
Greeley
Grover
Hudson
Johnstown
Kersey
La Salle
Mead
Milliken
Nunn
Orchard
Pierce
Platteville
Raymer (New Raymer)
Severance
Windsor
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 Aug 4, 2026.