Mount Shasta Weather Forecast 15 Days, Weather in Mount Shasta Today
Current weather conditions and 15 day weather forecast for Mount Shasta, California, 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 Mount Shasta
| 24 December 2025 Wednesday 7.8 ° C / 46°F  Light rain |
Feels Like : 4.7 ° C / 40.4°F Humidity : % 96 Pressure : 994 mb Wind Speed : 19.4 kmph / 12.1 miles from S  Visibility : 3.2 km Precipitation (rainfall) : 4.89 mm Cloud (%) : 100 |
15 day weather forecast for Mount Shasta, CA, USA
Weather Forecast for next 15 Days for Mount Shasta 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 Mount Shasta, California 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Heavy rain |
-1.1 ° C (30.1°F) |
7.3 ° C (45.1°F) |
4.7 ° C (40.4°F) |
% 95 | 89% | 0 | Sunrise:07:33 AM Sunset: 04:45 PM |
Moonrise:10:43 AM Moonset: 09:30 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Heavy rain |
0.6 ° C (33°F) |
2 ° C (35.5°F) |
1.7 ° C (35°F) |
% 97 | 87% | 0 | Sunrise:07:34 AM Sunset: 04:45 PM |
Moonrise:11:05 AM Moonset: 10:37 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Heavy snow |
-2.6 ° C (27.3°F) |
0.9 ° C (33.6°F) |
-0 ° C (32°F) |
% 97 | 76% | 0.1 | Sunrise:07:34 AM Sunset: 04:46 PM |
Moonrise:11:27 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Freezing fog |
-8.5 ° C (16.7°F) |
-1.3 ° C (29.7°F) |
-3.9 ° C (25°F) |
% 97 | 71% | 0.2 | Sunrise:07:34 AM Sunset: 04:47 PM |
Moonrise:11:48 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
-8.4 ° C (16.8°F) |
-1 ° C (30.1°F) |
-5.8 ° C (21.5°F) |
% 88 | 0% | 0 | Sunrise:07:35 AM Sunset: 04:48 PM |
Moonrise:12:12 PM Moonset: 12:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-6.5 ° C (20.3°F) |
-0.5 ° C (31.1°F) |
-3 ° C (26.6°F) |
% 86 | 0% | 2 | Sunrise:07:35 AM Sunset: 04:48 PM |
Moonrise:12:39 PM Moonset: 02:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-3.7 ° C (25.4°F) |
2.8 ° C (37°F) |
0.1 ° C (32.1°F) |
% 88 | 0% | 2 | Sunrise:07:35 AM Sunset: 04:49 PM |
Moonrise:01:13 PM Moonset: 03:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Fog |
1 ° C (33.8°F) |
3.3 ° C (38°F) |
2 ° C (35.6°F) |
% 94 | 0% | 1 | Sunrise:07:35 AM Sunset: 04:50 PM |
Moonrise:01:56 PM Moonset: 04:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Patchy rain nearby |
-0.6 ° C (30.9°F) |
3.7 ° C (38.6°F) |
1.9 ° C (35.4°F) |
% 99 | 71% | 1 | Sunrise:07:35 AM Sunset: 04:51 PM |
Moonrise:02:51 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Freezing fog |
-0.6 ° C (31°F) |
1.1 ° C (34°F) |
0.5 ° C (32.9°F) |
% 99 | 78% | 1 | Sunrise:07:35 AM Sunset: 04:52 PM |
Moonrise:04:00 PM Moonset: 07:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Fog |
-0.7 ° C (30.7°F) |
1.1 ° C (33.9°F) |
0.2 ° C (32.4°F) |
% 98 | 77% | 1 | Sunrise:07:36 AM Sunset: 04:53 PM |
Moonrise:05:17 PM Moonset: 08:14 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Heavy snow |
-1.4 ° C (29.4°F) |
-1.1 ° C (30.1°F) |
-0.6 ° C (31°F) |
% 98 | 79% | 1 | Sunrise:07:36 AM Sunset: 04:54 PM |
Moonrise:06:36 PM Moonset: 08:58 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Patchy rain nearby |
0.3 ° C (32.5°F) |
3.1 ° C (37.7°F) |
1.7 ° C (35.1°F) |
% 99 | 84% | 1 | Sunrise:07:35 AM Sunset: 04:55 PM |
Moonrise:07:52 PM Moonset: 09:32 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Moderate rain |
1 ° C (33.9°F) |
3.7 ° C (38.6°F) |
2.4 ° C (36.3°F) |
% 99 | 89% | 1 | Sunrise:07:35 AM Sunset: 04:56 PM |
Moonrise:09:04 PM Moonset: 09:58 AM Moon Phase ( Waning Gibbous ) |
|
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