Etna Weather Forecast 15 Days, Weather in Etna Today
Current weather conditions and 15 day weather forecast for Etna, 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 Etna
| 20 December 2025 Saturday 1.1 ° C / 34°F  Overcast |
Feels Like : -0.4 ° C / 31.4°F Humidity : % 92 Pressure : 1019 mb Wind Speed : 5 kmph / 3.1 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Etna, CA, USA
Weather Forecast for next 15 Days for Etna 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 Etna, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday |  Moderate rain |
1.2 ° C (34.2°F) |
9 ° C (48.2°F) |
3.9 ° C (39.1°F) |
% 75 | 90% | 0.3 | Sunrise:07:34 AM Sunset: 04:45 PM |
Moonrise:08:31 AM Moonset: 05:08 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Heavy rain |
4.1 ° C (39.4°F) |
7.5 ° C (45.5°F) |
6 ° C (42.7°F) |
% 96 | 89% | 0.2 | Sunrise:07:34 AM Sunset: 04:45 PM |
Moonrise:09:15 AM Moonset: 06:11 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Heavy rain |
0.8 ° C (33.4°F) |
7.2 ° C (45°F) |
5.2 ° C (41.3°F) |
% 92 | 89% | 0.3 | Sunrise:07:35 AM Sunset: 04:46 PM |
Moonrise:09:50 AM Moonset: 07:17 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Heavy rain |
-1 ° C (30.2°F) |
3.2 ° C (37.7°F) |
2.3 ° C (36.1°F) |
% 97 | 87% | 0.1 | Sunrise:07:35 AM Sunset: 04:46 PM |
Moonrise:10:20 AM Moonset: 08:24 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Heavy rain |
-0.7 ° C (30.8°F) |
2.3 ° C (36.1°F) |
2.1 ° C (35.7°F) |
% 98 | 87% | 0 | Sunrise:07:36 AM Sunset: 04:47 PM |
Moonrise:10:45 AM Moonset: 09:32 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Moderate or heavy snow in area with thunder |
-1 ° C (30.2°F) |
2 ° C (35.5°F) |
1 ° C (33.8°F) |
% 98 | 73% | 1 | Sunrise:07:36 AM Sunset: 04:47 PM |
Moonrise:11:08 AM Moonset: 10:39 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate rain |
-0.4 ° C (31.2°F) |
2.4 ° C (36.3°F) |
1 ° C (33.9°F) |
% 99 | 86% | 1 | Sunrise:07:36 AM Sunset: 04:48 PM |
Moonrise:11:29 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Freezing fog |
-8.9 ° C (16°F) |
2.3 ° C (36.2°F) |
-3.3 ° C (26°F) |
% 97 | 0% | 1 | Sunrise:07:37 AM Sunset: 04:49 PM |
Moonrise:11:51 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy rain nearby |
-0.7 ° C (30.8°F) |
2.2 ° C (36°F) |
1 ° C (33.8°F) |
% 98 | 88% | 1 | Sunrise:07:37 AM Sunset: 04:50 PM |
Moonrise:12:14 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
-0.2 ° C (31.6°F) |
2.4 ° C (36.4°F) |
1.1 ° C (34°F) |
% 99 | 83% | 1 | Sunrise:07:37 AM Sunset: 04:50 PM |
Moonrise:12:41 PM Moonset: 02:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Freezing fog |
-5 ° C (23°F) |
2.1 ° C (35.8°F) |
-0.3 ° C (31.4°F) |
% 98 | 85% | 1 | Sunrise:07:37 AM Sunset: 04:51 PM |
Moonrise:01:15 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Heavy snow |
-2 ° C (28.3°F) |
1.2 ° C (34.2°F) |
-0.1 ° C (31.8°F) |
% 98 | 61% | 1 | Sunrise:07:37 AM Sunset: 04:52 PM |
Moonrise:01:58 PM Moonset: 04:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Heavy snow |
-4.2 ° C (24.5°F) |
1.4 ° C (34.5°F) |
-0.2 ° C (31.6°F) |
% 98 | 88% | 1 | Sunrise:07:38 AM Sunset: 04:53 PM |
Moonrise:02:53 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Moderate or heavy snow in area with thunder |
-7.3 ° C (18.9°F) |
0.9 ° C (33.7°F) |
-2 ° C (28.5°F) |
% 97 | 88% | 1 | Sunrise:07:38 AM Sunset: 04:54 PM |
Moonrise:04:02 PM Moonset: 07:20 AM Moon Phase ( Waxing Gibbous ) |
|
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