St. Marys Weather Forecast 15 Days, Weather in St. Marys Today
Current weather conditions and 15 day weather forecast for St. Marys, Pennsylvania, 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. Marys
| 03 October 2026 Saturday 12.5 ° C / 54.5°F  Clear |
Feels Like : 11.1 ° C / 52°F Humidity : % 79 Pressure : 1022 mb Wind Speed : 7.9 kmph / 4.9 miles from NNW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 22 |
15 day weather forecast for St. Marys, PA, USA
Weather Forecast for next 15 Days for St. Marys 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. Marys, Pennsylvania 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 02 October 2026 Friday |  Overcast |
12.5 ° C (54.5°F) |
20.6 ° C (69.1°F) |
16.9 ° C (62.3°F) |
% 79 | 68% | 2.9 | Sunrise:07:12 AM Sunset: 06:54 PM |
Moonrise:10:29 PM Moonset: 01:50 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
4.4 ° C (39.9°F) |
17.3 ° C (63.1°F) |
10.7 ° C (51.3°F) |
% 71 | 5% | 5.3 | Sunrise:07:13 AM Sunset: 06:53 PM |
Moonrise:11:37 PM Moonset: 02:47 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
6.2 ° C (43.1°F) |
13.9 ° C (57°F) |
10.4 ° C (50.7°F) |
% 89 | 29% | 1 | Sunrise:07:14 AM Sunset: 06:51 PM |
Moonrise:Does not rise today Moonset: 03:33 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
3.6 ° C (38.5°F) |
14.9 ° C (58.8°F) |
9.9 ° C (49.8°F) |
% 72 | 10% | 4.6 | Sunrise:07:15 AM Sunset: 06:49 PM |
Moonrise:12:52 AM Moonset: 04:11 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
0.7 ° C (33.3°F) |
13.7 ° C (56.7°F) |
6.3 ° C (43.4°F) |
% 67 | 5% | 4.5 | Sunrise:07:16 AM Sunset: 06:48 PM |
Moonrise:02:10 AM Moonset: 04:43 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
2.9 ° C (37.3°F) |
18.5 ° C (65.3°F) |
9.7 ° C (49.4°F) |
% 65 | 4% | 5 | Sunrise:07:17 AM Sunset: 06:46 PM |
Moonrise:03:28 AM Moonset: 05:09 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Overcast |
6.3 ° C (43.4°F) |
18.7 ° C (65.6°F) |
11.8 ° C (53.2°F) |
% 76 | 13% | 4 | Sunrise:07:18 AM Sunset: 06:44 PM |
Moonrise:04:45 AM Moonset: 05:34 PM Moon Phase ( Waning Crescent ) |
|
| 09 October 2026 Friday |  Fog |
9 ° C (48.1°F) |
21.1 ° C (70°F) |
13.6 ° C (56.5°F) |
% 88 | 52% | 5 | Sunrise:07:19 AM Sunset: 06:43 PM |
Moonrise:06:00 AM Moonset: 05:58 PM Moon Phase ( New Moon ) |
|
| 10 October 2026 Saturday | Sunny |
4.6 ° C (40.2°F) |
16.2 ° C (61.1°F) |
9.5 ° C (49.2°F) |
% 69 | 7% | 5 | Sunrise:07:20 AM Sunset: 06:41 PM |
Moonrise:07:15 AM Moonset: 06:22 PM Moon Phase ( New Moon ) |
|
| 11 October 2026 Sunday | Sunny |
5.5 ° C (41.9°F) |
22.8 ° C (73.1°F) |
13.3 ° C (55.9°F) |
% 73 | 8% | 6 | Sunrise:07:21 AM Sunset: 06:40 PM |
Moonrise:08:30 AM Moonset: 06:50 PM Moon Phase ( New Moon ) |
|
| 12 October 2026 Monday |  Mist |
12.5 ° C (54.4°F) |
20.4 ° C (68.7°F) |
15.1 ° C (59.1°F) |
% 90 | 91% | 5 | Sunrise:07:22 AM Sunset: 06:38 PM |
Moonrise:09:45 AM Moonset: 07:22 PM Moon Phase ( Waxing Crescent ) |
|
| 13 October 2026 Tuesday |  Light rain |
15.7 ° C (60.2°F) |
18.2 ° C (64.7°F) |
16.7 ° C (62.1°F) |
% 97 | 95% | 4 | Sunrise:07:24 AM Sunset: 06:36 PM |
Moonrise:10:57 AM Moonset: 08:00 PM Moon Phase ( Waxing Crescent ) |
|
| 14 October 2026 Wednesday | Sunny |
8.1 ° C (46.5°F) |
18.1 ° C (64.5°F) |
14.2 ° C (57.5°F) |
% 83 | 43% | 5 | Sunrise:07:25 AM Sunset: 06:35 PM |
Moonrise:12:05 PM Moonset: 08:45 PM Moon Phase ( Waxing Crescent ) |
|
| 15 October 2026 Thursday | Sunny |
6.3 ° C (43.3°F) |
19.9 ° C (67.9°F) |
12.4 ° C (54.4°F) |
% 70 | 67% | 5 | Sunrise:07:26 AM Sunset: 06:33 PM |
Moonrise:01:04 PM Moonset: 09:38 PM Moon Phase ( Waxing Crescent ) |
|
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