Fort Lupton, CO Weather & Growing Conditions
Today
79°F
Patchy Smoke
Patchy smoke. Mostly sunny. High near 79, with temperatures falling to around 77 in the afternoon. East wind 8 to 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Smoke | 8 to 12 mph E | 7% |
| Tonight | 55°F | Patchy Smoke | 5 to 13 mph NE | 9% |
| Wednesday | 87°F | Patchy Smoke then Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 58°F | Patchy Smoke then Mostly Clear | 3 to 12 mph S | 1% |
| Thursday | 97°F | Sunny | 3 to 8 mph N | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 to 8 mph SSW | 1% |
| Friday | 99°F | Sunny | 3 to 8 mph SE | 0% |
| Friday Night | 65°F | Mostly Clear | 7 to 10 mph S | 0% |
| Saturday | 102°F | Sunny | 3 to 9 mph NNW | 1% |
| Saturday Night | 65°F | Partly Cloudy | 6 to 10 mph W | 1% |
| Sunday | 101°F | Sunny | 3 to 9 mph NNW | 5% |
| Sunday Night | 66°F | Partly Cloudy | 5 to 10 mph W | 5% |
| Monday | 100°F | Sunny | 5 to 12 mph N | 12% |
| Monday Night | 65°F | Mostly Cloudy | 3 to 12 mph WNW | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Lupton, CO
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
5b
Explore more for Fort Lupton, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Brighton 3 Se, Co (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.