Harman US

Brighton, CO Weather & Growing Conditions

This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 53 in the afternoon. Northeast wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 57°F Sunny 7 mph NE 0%
Tonight 34°F Mostly Clear 5 mph SSE 0%
Wednesday 57°F Mostly Sunny 2 to 6 mph NNW 5%
Wednesday Night 35°F Mostly Cloudy 5 mph NW 5%
Thursday 58°F Sunny 5 mph S 0%
Thursday Night 35°F Partly Cloudy 5 mph SSW 1%
Friday 57°F Mostly Sunny 2 to 6 mph NNE 5%
Friday Night 35°F Mostly Clear 5 mph S 5%
Saturday 60°F Sunny 5 mph S 1%
Saturday Night 34°F Mostly Clear 5 mph S 0%
Sunday 68°F Sunny 2 to 6 mph SSE 0%
Sunday Night 39°F Mostly Clear 6 mph SSW 0%
Monday 66°F Sunny 2 to 6 mph SSE 0%
Monday Night 39°F Partly Cloudy 5 mph S 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Brighton, CO

Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
5b

Explore more for Brighton, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Brighton 3 Se, Co (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.