Keystone Weather Forecast 15 Days, Weather in Keystone Today
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
| 06 August 2026 Thursday 5.5 ° C / 41.9°F  Sunny |
Feels Like : 2 ° C / 35.6°F Humidity : % 25 Pressure : 1023 mb Wind Speed : 3.6 kmph / 2.2 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 August 2026 Thursday | Sunny |
3.5 ° C (38.3°F) |
25.1 ° C (77.1°F) |
14 ° C (57.1°F) |
% 16 | 0% | 11.2 | Sunrise:06:08 AM Sunset: 08:11 PM |
Moonrise:Does not rise today Moonset: 02:33 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
4.7 ° C (40.4°F) |
26.2 ° C (79.1°F) |
15.5 ° C (60°F) |
% 17 | 1% | 10.9 | Sunrise:06:08 AM Sunset: 08:10 PM |
Moonrise:12:04 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
6.6 ° C (43.8°F) |
26.8 ° C (80.2°F) |
16 ° C (60.7°F) |
% 27 | 2% | 9.1 | Sunrise:06:09 AM Sunset: 08:09 PM |
Moonrise:12:50 AM Moonset: 04:54 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
6.5 ° C (43.7°F) |
27.1 ° C (80.8°F) |
15.5 ° C (59.9°F) |
% 35 | 36% | 9.1 | Sunrise:06:10 AM Sunset: 08:08 PM |
Moonrise:01:49 AM Moonset: 05:56 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
5.2 ° C (41.3°F) |
25.7 ° C (78.2°F) |
13.6 ° C (56.5°F) |
% 51 | 36% | 6 | Sunrise:06:11 AM Sunset: 08:06 PM |
Moonrise:02:59 AM Moonset: 06:49 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
5.9 ° C (42.5°F) |
25.4 ° C (77.7°F) |
14 ° C (57.3°F) |
% 47 | 4% | 7 | Sunrise:06:12 AM Sunset: 08:05 PM |
Moonrise:04:18 AM Moonset: 07:31 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
5.4 ° C (41.7°F) |
24.6 ° C (76.4°F) |
13.9 ° C (57°F) |
% 51 | 36% | 6 | Sunrise:06:13 AM Sunset: 08:04 PM |
Moonrise:05:40 AM Moonset: 08:06 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday |  Partly Cloudy |
4.3 ° C (39.7°F) |
23.8 ° C (74.9°F) |
13.3 ° C (55.9°F) |
% 67 | 61% | 6 | Sunrise:06:14 AM Sunset: 08:03 PM |
Moonrise:07:00 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Partly Cloudy |
5.3 ° C (41.6°F) |
20.7 ° C (69.2°F) |
11.6 ° C (52.8°F) |
% 80 | 79% | 5 | Sunrise:06:15 AM Sunset: 08:01 PM |
Moonrise:08:18 AM Moonset: 09:01 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday |  Light rain shower |
4.7 ° C (40.5°F) |
17.4 ° C (63.3°F) |
11.1 ° C (51.9°F) |
% 83 | 82% | 4 | Sunrise:06:16 AM Sunset: 08:00 PM |
Moonrise:09:32 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday |  Patchy rain nearby |
3.5 ° C (38.3°F) |
18.6 ° C (65.6°F) |
10.5 ° C (51°F) |
% 79 | 80% | 4 | Sunrise:06:17 AM Sunset: 07:59 PM |
Moonrise:10:45 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
4.3 ° C (39.7°F) |
19.9 ° C (67.8°F) |
11.9 ° C (53.4°F) |
% 66 | 17% | 5 | Sunrise:06:18 AM Sunset: 07:57 PM |
Moonrise:11:56 AM Moonset: 10:20 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
3.5 ° C (38.3°F) |
18.4 ° C (65.1°F) |
9 ° C (48.2°F) |
% 78 | 77% | 5 | Sunrise:06:19 AM Sunset: 07:56 PM |
Moonrise:01:06 PM Moonset: 10:52 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Partly Cloudy |
3.6 ° C (38.5°F) |
17 ° C (62.6°F) |
8.9 ° C (48.1°F) |
% 83 | 82% | 4 | Sunrise:06:20 AM Sunset: 07:54 PM |
Moonrise:02:14 PM Moonset: 11:29 PM Moon Phase ( First Quarter ) |
|
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