Siskiyou County Airport Weather Forecast 15 Days, Weather in KSIY Today
Current weather conditions and 15 day weather forecast for Siskiyou County Airport, 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 Siskiyou County Airport
| 23 December 2025 Tuesday 2.8 ° C / 37°F  Light rain |
Feels Like : 2.3 ° C / 36.1°F Humidity : % 96 Pressure : 1009 mb Wind Speed : 3.6 kmph / 2.2 miles from E  Visibility : 16 km Precipitation (rainfall) : 1.74 mm Cloud (%) : 100 |
15 day weather forecast for Siskiyou County Airport, CA, USA
Weather Forecast for next 15 Days for Siskiyou County Airport 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 Siskiyou County Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday |  Heavy rain |
2.2 ° C (36°F) |
5.7 ° C (42.3°F) |
3.7 ° C (38.7°F) |
% 92 | 87% | 0.1 | Sunrise:07:35 AM Sunset: 04:43 PM |
Moonrise:10:19 AM Moonset: 08:22 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Heavy rain |
2.1 ° C (35.8°F) |
7.7 ° C (45.9°F) |
5.8 ° C (42.4°F) |
% 87 | 89% | 0.2 | Sunrise:07:36 AM Sunset: 04:44 PM |
Moonrise:10:44 AM Moonset: 09:30 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
-1.9 ° C (28.7°F) |
7.5 ° C (45.5°F) |
3.5 ° C (38.3°F) |
% 86 | 65% | 0.1 | Sunrise:07:36 AM Sunset: 04:45 PM |
Moonrise:11:07 AM Moonset: 10:38 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-0.5 ° C (31.1°F) |
4.1 ° C (39.4°F) |
1.6 ° C (34.8°F) |
% 88 | 86% | 0.1 | Sunrise:07:36 AM Sunset: 04:45 PM |
Moonrise:11:28 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
-1.1 ° C (30°F) |
3.3 ° C (38°F) |
2 ° C (35.6°F) |
% 93 | 79% | 0 | Sunrise:07:37 AM Sunset: 04:46 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Sunny |
-3.3 ° C (26°F) |
2.4 ° C (36.3°F) |
-1 ° C (30.1°F) |
% 83 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:47 PM |
Moonrise:12:12 PM Moonset: 12:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-4 ° C (24.7°F) |
2.3 ° C (36.1°F) |
-1.2 ° C (29.9°F) |
% 81 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:48 PM |
Moonrise:12:38 PM Moonset: 02:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
-2.4 ° C (27.6°F) |
4.5 ° C (40.1°F) |
1.3 ° C (34.4°F) |
% 79 | 85% | 1 | Sunrise:07:37 AM Sunset: 04:48 PM |
Moonrise:01:12 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
-0.6 ° C (31°F) |
5.1 ° C (41.2°F) |
2.3 ° C (36.1°F) |
% 92 | 79% | 1 | Sunrise:07:37 AM Sunset: 04:49 PM |
Moonrise:01:54 PM Moonset: 04:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Heavy snow |
-4.4 ° C (24.1°F) |
1.9 ° C (35.4°F) |
-0.6 ° C (30.9°F) |
% 95 | 87% | 1 | Sunrise:07:38 AM Sunset: 04:50 PM |
Moonrise:02:50 PM Moonset: 06:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Moderate or heavy snow showers |
-5 ° C (23.1°F) |
-0.3 ° C (31.5°F) |
-2.6 ° C (27.4°F) |
% 91 | 66% | 1 | Sunrise:07:38 AM Sunset: 04:51 PM |
Moonrise:03:58 PM Moonset: 07:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Overcast |
-5.3 ° C (22.5°F) |
-1.2 ° C (29.8°F) |
-3.6 ° C (25.5°F) |
% 87 | 0% | 1 | Sunrise:07:38 AM Sunset: 04:52 PM |
Moonrise:05:16 PM Moonset: 08:16 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Heavy snow |
-8.7 ° C (16.3°F) |
-0.8 ° C (30.5°F) |
-3.8 ° C (25.2°F) |
% 93 | 80% | 1 | Sunrise:07:38 AM Sunset: 04:53 PM |
Moonrise:06:35 PM Moonset: 09:00 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Partly Cloudy |
-8.6 ° C (16.5°F) |
-3.1 ° C (26.3°F) |
-5.3 ° C (22.5°F) |
% 88 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:54 PM |
Moonrise:07:52 PM Moonset: 09:34 AM Moon Phase ( Waning Gibbous ) |
|
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