Keystone Weather Forecast 15 Days, Weather in Keystone Today

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5. Weather in Keystone for 15 days

Current weather conditions and 15 day weather forecast for Keystone, Colorado, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Keystone

16 December 2025 Tuesday -7 ° C / 19.4°F Partly cloudy

Feels Like : -10.3 ° C / 13.4°F Humidity : % 38 Pressure : 1025 mb Wind Speed : 6.5 kmph / 4 miles from WNW Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 50

15 day weather forecast for Keystone, CO, USA

Weather Forecast for next 15 Days for Keystone including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Keystone, Colorado state, US. To see the daily forecast, scroll to the table below.

Date	Weather forecast	Low temperature	High temperature	Avg. temperature	Humidity	Chance of rain	UV Index	Sun Position	Moon Position
16 December 2025 Tuesday	Partly Cloudy	-7.6 ° C (18.3°F)	1.2 ° C (34.2°F)	-4.3 ° C (24.2°F)	% 75	0%	0.5	Sunrise:07:19 AM Sunset: 04:41 PM	Moonrise:04:23 AM Moonset: 02:07 PM Moon Phase ( Waning Crescent )
17 December 2025 Wednesday	Thundery outbreaks in nearby	-9.1 ° C (15.6°F)	0.2 ° C (32.4°F)	-3 ° C (26.5°F)	% 89	73%	0.5	Sunrise:07:19 AM Sunset: 04:41 PM	Moonrise:05:25 AM Moonset: 02:40 PM Moon Phase ( Waning Crescent )
18 December 2025 Thursday	Moderate or heavy snow showers	-14.5 ° C (5.9°F)	-3.6 ° C (25.5°F)	-10 ° C (14°F)	% 66	71%	0.4	Sunrise:07:20 AM Sunset: 04:42 PM	Moonrise:06:26 AM Moonset: 03:21 PM Moon Phase ( Waning Crescent )
19 December 2025 Friday	Sunny	-12.9 ° C (8.8°F)	4.8 ° C (40.6°F)	-3.1 ° C (26.4°F)	% 64	0%	0.5	Sunrise:07:20 AM Sunset: 04:42 PM	Moonrise:07:24 AM Moonset: 04:09 PM Moon Phase ( New Moon )
20 December 2025 Saturday	Patchy snow nearby	-3.8 ° C (25.1°F)	0.3 ° C (32.6°F)	-1.3 ° C (29.6°F)	% 65	76%	0	Sunrise:07:21 AM Sunset: 04:43 PM	Moonrise:08:15 AM Moonset: 05:06 PM Moon Phase ( New Moon )
21 December 2025 Sunday	Partly Cloudy	-7.8 ° C (17.9°F)	4.4 ° C (39.9°F)	-2.9 ° C (26.7°F)	% 80	0%	2	Sunrise:07:22 AM Sunset: 04:43 PM	Moonrise:08:59 AM Moonset: 06:07 PM Moon Phase ( Waxing Crescent )
22 December 2025 Monday	Partly Cloudy	-8.9 ° C (16°F)	3.9 ° C (38.9°F)	-3.8 ° C (25.1°F)	% 81	0%	2	Sunrise:07:22 AM Sunset: 04:44 PM	Moonrise:09:36 AM Moonset: 07:12 PM Moon Phase ( Waxing Crescent )
23 December 2025 Tuesday	Sunny	-5.7 ° C (21.8°F)	4.8 ° C (40.6°F)	-2.1 ° C (28.2°F)	% 64	0%	2	Sunrise:07:22 AM Sunset: 04:44 PM	Moonrise:10:07 AM Moonset: 08:18 PM Moon Phase ( Waxing Crescent )
24 December 2025 Wednesday	Sunny	-6 ° C (21.2°F)	5.6 ° C (42.1°F)	-1.8 ° C (28.7°F)	% 56	0%	2	Sunrise:07:23 AM Sunset: 04:45 PM	Moonrise:10:33 AM Moonset: 09:25 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Mist	-5 ° C (22.9°F)	2.4 ° C (36.4°F)	-1.2 ° C (29.8°F)	% 84	60%	1	Sunrise:07:23 AM Sunset: 04:46 PM	Moonrise:10:57 AM Moonset: 10:30 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Sunny	-12 ° C (10.4°F)	0.3 ° C (32.6°F)	-6.3 ° C (20.6°F)	% 64	0%	2	Sunrise:07:24 AM Sunset: 04:46 PM	Moonrise:11:20 AM Moonset: 11:38 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Patchy moderate snow	-16.9 ° C (1.6°F)	-5.1 ° C (22.8°F)	-11.8 ° C (10.7°F)	% 70	71%	1	Sunrise:07:24 AM Sunset: 04:47 PM	Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter )
28 December 2025 Sunday	Sunny	-15.4 ° C (4.2°F)	0.7 ° C (33.2°F)	-9.7 ° C (14.6°F)	% 54	0%	2	Sunrise:07:24 AM Sunset: 04:48 PM	Moonrise:12:08 PM Moonset: 12:46 AM Moon Phase ( Waxing Gibbous )
29 December 2025 Monday	Sunny	-11.1 ° C (12°F)	4.3 ° C (39.7°F)	-5.7 ° C (21.8°F)	% 65	0%	2	Sunrise:07:24 AM Sunset: 04:48 PM	Moonrise:12:36 PM Moonset: 01:59 AM Moon Phase ( Waxing Gibbous )

Keystone Weather forecasts are usually fully updated every 4 hours.

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