Sunshine, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunshine, a community in Boulder County, Colorado.
Tonight
33°F
Mostly Clear
Mostly clear, with a low around 33. Southwest wind around 3 mph.
7-day forecast for Sunshine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Clear | 3 mph SW | 0% |
| Wednesday | 45°F | Mostly Sunny then Slight Chance Rain And Snow Showers | 0 to 6 mph ENE | 19% |
| Wednesday Night | 33°F | Slight Chance Rain And Snow Showers then Mostly Cloudy | 3 mph NW | 18% |
| Thursday | 49°F | Sunny | 0 to 6 mph SSW | 0% |
| Thursday Night | 36°F | Partly Cloudy | 3 mph W | 1% |
| Friday | 48°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 3 mph N | 16% |
| Friday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 8 mph W | 16% |
| Saturday | 52°F | Sunny | 0 to 10 mph ESE | 2% |
| Saturday Night | 35°F | Mostly Clear | 1 to 7 mph W | 1% |
| Sunday | 60°F | Sunny | 1 to 10 mph W | 0% |
| Sunday Night | 44°F | Mostly Clear | 7 to 13 mph W | 0% |
| Monday | 59°F | Mostly Sunny | 1 to 10 mph NNW | 0% |
| Monday Night | 42°F | Partly Cloudy | 1 to 7 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 1 to 7 mph NW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Sunshine (40.064, -105.370). Updated through the day.
Growing snapshot for Sunshine
Last spring frost
Jun 21
First fall frost
Sep 2
Growing season
71 days
Hardiness zone
5b
More local growing data for Sunshine: nearby ZIP 80455 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Boulder 14 W, Co (8.6 mi from Sunshine). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.