St. Clair Weather Forecast 15 Days, Weather in St. Clair Today
Current weather conditions and 15 day weather forecast for St. Clair, 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. Clair
| 04 November 2026 Wednesday 14.8 ° C / 58.7°F  Overcast |
Feels Like : 12.9 ° C / 55.2°F Humidity : % 81 Pressure : 1016 mb Wind Speed : 13 kmph / 8.1 miles from SSE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for St. Clair, PA, USA
Weather Forecast for next 15 Days for St. Clair 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. Clair, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 November 2026 Wednesday | Overcast |
8 ° C (46.4°F) |
20.4 ° C (68.6°F) |
13.2 ° C (55.8°F) |
% 83 | 15% | 3.1 | Sunrise:06:38 AM Sunset: 04:57 PM |
Moonrise:01:21 AM Moonset: 02:26 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday |  Fog |
12.1 ° C (53.8°F) |
19.1 ° C (66.4°F) |
15.8 ° C (60.5°F) |
% 97 | 93% | 1 | Sunrise:06:39 AM Sunset: 04:56 PM |
Moonrise:02:33 AM Moonset: 02:50 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday | Overcast |
8.3 ° C (46.9°F) |
19.1 ° C (66.4°F) |
13.8 ° C (56.9°F) |
% 78 | 17% | 2.6 | Sunrise:06:41 AM Sunset: 04:55 PM |
Moonrise:03:45 AM Moonset: 03:14 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday |  Sunny |
6.1 ° C (42.9°F) |
11.3 ° C (52.3°F) |
8.4 ° C (47.1°F) |
% 71 | 28% | 2.2 | Sunrise:06:42 AM Sunset: 04:54 PM |
Moonrise:04:58 AM Moonset: 03:41 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday | Sunny |
4.7 ° C (40.5°F) |
12.8 ° C (55.1°F) |
8.7 ° C (47.6°F) |
% 72 | 23% | 2.3 | Sunrise:06:43 AM Sunset: 04:53 PM |
Moonrise:06:11 AM Moonset: 04:11 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday |  Partly Cloudy |
2.2 ° C (35.9°F) |
9.4 ° C (49°F) |
6.4 ° C (43.6°F) |
% 67 | 17% | 3 | Sunrise:06:44 AM Sunset: 04:52 PM |
Moonrise:07:23 AM Moonset: 04:47 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Partly Cloudy |
2.4 ° C (36.2°F) |
14.7 ° C (58.4°F) |
7.9 ° C (46.2°F) |
% 70 | 8% | 4 | Sunrise:06:45 AM Sunset: 04:51 PM |
Moonrise:08:33 AM Moonset: 05:29 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Partly Cloudy |
3 ° C (37.3°F) |
11.2 ° C (52.1°F) |
6.6 ° C (43.9°F) |
% 72 | 8% | 4 | Sunrise:06:46 AM Sunset: 04:50 PM |
Moonrise:09:37 AM Moonset: 06:20 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Partly Cloudy |
2.8 ° C (37.1°F) |
10.6 ° C (51.1°F) |
6.1 ° C (43.1°F) |
% 64 | 7% | 4 | Sunrise:06:48 AM Sunset: 04:49 PM |
Moonrise:10:31 AM Moonset: 07:17 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Sunny |
2.5 ° C (36.5°F) |
11.9 ° C (53.4°F) |
6.2 ° C (43.1°F) |
% 62 | 5% | 4 | Sunrise:06:49 AM Sunset: 04:48 PM |
Moonrise:11:16 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Sunny |
3 ° C (37.4°F) |
13.1 ° C (55.5°F) |
7.3 ° C (45.1°F) |
% 74 | 13% | 4 | Sunrise:06:50 AM Sunset: 04:47 PM |
Moonrise:11:53 AM Moonset: 09:22 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday |  Patchy rain nearby |
5.4 ° C (41.7°F) |
11.4 ° C (52.5°F) |
7.6 ° C (45.7°F) |
% 87 | 70% | 4 | Sunrise:06:51 AM Sunset: 04:46 PM |
Moonrise:12:23 PM Moonset: 10:24 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday |  Mist |
5.1 ° C (41.2°F) |
12.8 ° C (55°F) |
7.6 ° C (45.7°F) |
% 86 | 25% | 4 | Sunrise:06:52 AM Sunset: 04:46 PM |
Moonrise:12:48 PM Moonset: 11:26 PM Moon Phase ( First Quarter ) |
|
| 17 November 2026 Tuesday | Partly Cloudy |
3.1 ° C (37.6°F) |
12.4 ° C (54.4°F) |
6.8 ° C (44.2°F) |
% 84 | 14% | 4 | Sunrise:06:54 AM Sunset: 04:45 PM |
Moonrise:01:10 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
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