Broomfield, CO Weather & Growing Conditions
Today
78°F
Patchy Smoke
Patchy smoke. Mostly sunny, with a high near 78. East northeast wind 6 to 10 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 6 to 10 mph ENE | 13% |
| Tonight | 56°F | Patchy Smoke | 5 to 10 mph NNE | 10% |
| Wednesday | 86°F | Patchy Smoke | 5 to 10 mph NE | 0% |
| Wednesday Night | 59°F | Mostly Clear | 3 to 10 mph ESE | 2% |
| Thursday | 94°F | Sunny | 2 to 9 mph N | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 9 mph SSW | 1% |
| Friday | 97°F | Sunny | 3 to 9 mph S | 0% |
| Friday Night | 66°F | Mostly Clear | 9 mph S | 0% |
| Saturday | 99°F | Sunny | 3 to 9 mph N | 1% |
| Saturday Night | 66°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Sunday | 98°F | Sunny | 3 to 9 mph NNE | 7% |
| Sunday Night | 67°F | Partly Cloudy | 5 to 10 mph WNW | 4% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 12 mph N | 18% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph WNW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Broomfield, CO
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6a
Explore more for Broomfield, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Northglenn, Co (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.