Sunshine, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sunshine, a community in Boulder County, Colorado.

This Afternoon

46°F

Mostly Cloudy

Mostly cloudy. High near 46, with temperatures falling to around 41 in the afternoon. Northeast wind around 3 mph.

7-day forecast for Sunshine

When	Temp	Forecast	Wind	Precip
This Afternoon	46°F	Mostly Cloudy	3 mph NE	13%
Tonight	33°F	Mostly Cloudy	3 mph NNW	13%
Thursday	49°F	Sunny	0 to 5 mph S	0%
Thursday Night	36°F	Mostly Cloudy	3 mph W	0%
Friday	48°F	Slight Chance Rain And Snow Showers	0 to 3 mph NNW	16%
Friday Night	34°F	Mostly Clear	1 to 6 mph W	13%
Saturday	51°F	Sunny	0 to 8 mph N	0%
Saturday Night	35°F	Mostly Clear	3 mph W	0%
Sunday	58°F	Sunny	1 to 7 mph SSW	0%
Sunday Night	41°F	Clear	5 to 10 mph W	0%
Monday	59°F	Sunny	0 to 9 mph SSE	0%
Monday Night	40°F	Partly Cloudy	0 to 3 mph W	0%
Tuesday	56°F	Mostly Sunny	0 to 3 mph NW	1%
Tuesday Night	41°F	Partly Cloudy	1 to 6 mph W	1%

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

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 5, 2026.