Fort Lupton, CO Weather & Growing Conditions
Today
79°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms likely. Partly sunny. High near 79, with temperatures falling to around 71 in the afternoon. Northeast wind 2 to 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 9 mph NE | 72% |
| Tonight | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 8 mph S | 43% |
| Sunday | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 9 mph NNE | 32% |
| Sunday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 8 mph N | 21% |
| Monday | 73°F | Sunny | 1 to 10 mph NE | 1% |
| Monday Night | 49°F | Partly Cloudy | 2 to 10 mph SSE | 5% |
| Tuesday | 79°F | Mostly Sunny | 2 to 7 mph NNW | 2% |
| Tuesday Night | 52°F | Partly Cloudy | 3 to 8 mph S | 13% |
| Wednesday | 77°F | Mostly Sunny | 2 to 7 mph NE | 5% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph SSW | 15% |
| Thursday | 79°F | Mostly Sunny | 2 to 8 mph NNE | 4% |
| Thursday Night | 54°F | Partly Cloudy | 2 to 8 mph SSW | 13% |
| Friday | 80°F | Mostly Sunny | 1 to 9 mph S | 11% |
| Friday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 9 mph S | 15% |
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 Sep 19, 2026.