Golden, CO Weather & Growing Conditions
Tonight
46°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 9pm. Mostly clear. Low around 46, with temperatures rising to around 48 overnight. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph W | 21% |
| Sunday | 64°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph N | 23% |
| Sunday Night | 44°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph N | 22% |
| Monday | 65°F | Sunny | 2 to 8 mph ENE | 3% |
| Monday Night | 46°F | Partly Cloudy | 2 to 6 mph NW | 4% |
| Tuesday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSE | 20% |
| Tuesday Night | 49°F | Mostly Cloudy | 6 mph SSW | 13% |
| Wednesday | 72°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NNE | 19% |
| Wednesday Night | 49°F | Mostly Cloudy | 6 mph NW | 10% |
| Thursday | 71°F | Mostly Sunny | 3 to 8 mph SE | 13% |
| Thursday Night | 51°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SSW | 15% |
| Friday | 71°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SSE | 37% |
| Friday Night | 51°F | Chance Rain Showers | 6 mph SSW | 28% |
| Saturday | 73°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph NNE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Golden, CO
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
5b
Explore more for Golden, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Lakewood, Co (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.