Eldorado Springs, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eldorado Springs, a community in Boulder County, Colorado.
Today
74°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between noon and 3pm, then showers and thunderstorms likely. Partly sunny. High near 74, with temperatures falling to around 66 in the afternoon. North northeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Eldorado Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph NNE | 57% |
| Tonight | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph WSW | 30% |
| Sunday | 69°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph N | 29% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph NW | 28% |
| Monday | 70°F | Sunny | 1 to 7 mph SE | 3% |
| Monday Night | 50°F | Partly Cloudy | 1 to 6 mph NNW | 11% |
| Tuesday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph S | 19% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph N | 23% |
| Wednesday | 75°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph ESE | 22% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph NW | 14% |
| Thursday | 76°F | Mostly Sunny | 3 to 7 mph S | 12% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 5 mph SSW | 13% |
| Friday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph S | 20% |
| Friday Night | 54°F | Slight Chance Rain Showers | 3 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Eldorado Springs (39.939, -105.249). Updated through the day.
Growing snapshot for Eldorado Springs
Last spring frost
May 6
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
6a
More local growing data for Eldorado Springs: nearby ZIP 80305 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Boulder, Co (1.4 mi from Eldorado Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.