St. Mary's Weather Forecast 15 Days, Weather in St. Mary's Today
Current weather conditions and 15 day weather forecast for St. Mary's, Alaska, 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 St. Mary's
| 05 December 2025 Friday -15.6 ° C / 3.9°F  Clear |
Feels Like : -22.7 ° C / -8.8°F Humidity : % 54 Pressure : 1021 mb Wind Speed : 11.9 kmph / 7.4 miles from NNE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St. Mary's, AK, USA
Weather Forecast for next 15 Days for St. Mary's 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 St. Mary's, Alaska 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday | Sunny |
-17.8 ° C (-0.1°F) |
-15.9 ° C (3.4°F) |
-16.8 ° C (1.8°F) |
% 71 | 0% | 0 | Sunrise:10:57 AM Sunset: 04:30 PM |
Moonrise:12:00 AM Moonset: 12:00 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Sunny |
-17.5 ° C (0.5°F) |
-15.2 ° C (4.6°F) |
-16 ° C (3.2°F) |
% 68 | 0% | 0 | Sunrise:10:59 AM Sunset: 04:29 PM |
Moonrise:05:10 PM Moonset: 02:43 PM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Sunny |
-18.8 ° C (-1.9°F) |
-15 ° C (5°F) |
-16.6 ° C (2.2°F) |
% 63 | 0% | 0 | Sunrise:11:01 AM Sunset: 04:28 PM |
Moonrise:07:26 PM Moonset: 02:36 PM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Sunny |
-25.1 ° C (-13.1°F) |
-17.7 ° C (0.1°F) |
-19.8 ° C (-3.6°F) |
% 72 | 0% | 0 | Sunrise:11:03 AM Sunset: 04:27 PM |
Moonrise:09:25 PM Moonset: 02:30 PM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Sunny |
-25 ° C (-13.1°F) |
-23.3 ° C (-9.9°F) |
-23.6 ° C (-10.6°F) |
% 82 | 0% | 0 | Sunrise:11:05 AM Sunset: 04:26 PM |
Moonrise:11:12 PM Moonset: 02:25 PM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Freezing fog |
-21.9 ° C (-7.5°F) |
-17.5 ° C (0.6°F) |
-20.1 ° C (-4.2°F) |
% 98 | 0% | 1 | Sunrise:11:06 AM Sunset: 04:26 PM |
Moonrise:No moonrise Moonset: 02:21 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Freezing fog |
-21.5 ° C (-6.6°F) |
-19.2 ° C (-2.6°F) |
-19.3 ° C (-2.8°F) |
% 98 | 0% | 1 | Sunrise:11:08 AM Sunset: 04:25 PM |
Moonrise:12:48 AM Moonset: 02:16 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Moderate snow |
-16.6 ° C (2.2°F) |
-14.8 ° C (5.3°F) |
-15.5 ° C (4.1°F) |
% 87 | 65% | 1 | Sunrise:11:10 AM Sunset: 04:25 PM |
Moonrise:02:19 AM Moonset: 02:12 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Light snow |
-11.4 ° C (11.4°F) |
-3.3 ° C (26°F) |
-6.1 ° C (21.1°F) |
% 97 | 75% | 1 | Sunrise:11:11 AM Sunset: 04:24 PM |
Moonrise:03:48 AM Moonset: 02:07 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Mist |
-8.7 ° C (16.3°F) |
-2.7 ° C (27.1°F) |
-4.7 ° C (23.5°F) |
% 95 | 0% | 1 | Sunrise:11:12 AM Sunset: 04:24 PM |
Moonrise:05:17 AM Moonset: 02:02 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Overcast |
-8.9 ° C (15.9°F) |
-7.6 ° C (18.4°F) |
-7.9 ° C (17.8°F) |
% 71 | 0% | 1 | Sunrise:11:13 AM Sunset: 04:24 PM |
Moonrise:06:49 AM Moonset: 01:57 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Overcast |
-12.1 ° C (10.2°F) |
-8.4 ° C (16.9°F) |
-10.2 ° C (13.7°F) |
% 71 | 0% | 1 | Sunrise:11:15 AM Sunset: 04:24 PM |
Moonrise:08:26 AM Moonset: 01:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Partly Cloudy |
-10.2 ° C (13.6°F) |
-7.3 ° C (18.8°F) |
-8.5 ° C (16.7°F) |
% 76 | 0% | 2 | Sunrise:11:15 AM Sunset: 04:24 PM |
Moonrise:10:12 AM Moonset: 01:44 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Overcast |
-12.1 ° C (10.2°F) |
-5.6 ° C (21.9°F) |
-8.7 ° C (16.3°F) |
% 80 | 0% | 1 | Sunrise:11:16 AM Sunset: 04:24 PM |
Moonrise:12:00 AM Moonset: 12:00 AM Moon Phase ( Waning Crescent ) |
|
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