Current weather conditions and 15 day weather forecast for Monongahela, 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.
| 20 December 2025 Saturday 7.2 ° C / 45°F ![]() Clear |
Feels Like : 5.3 ° C / 41.6°F Humidity : % 32 Pressure : 1013 mb Wind Speed : 9.7 kmph / 6 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-3.7 ° C (25.3°F) |
12 ° C (53.6°F) |
3.4 ° C (38°F) |
% 58 | 0% | 0.3 | Sunrise:07:37 AM Sunset: 04:58 PM |
Moonrise:08:28 AM Moonset: 05:16 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Cloudy |
-4.6 ° C (23.7°F) |
4.5 ° C (40.1°F) |
1.4 ° C (34.6°F) |
% 62 | 0% | 0.3 | Sunrise:07:38 AM Sunset: 04:58 PM |
Moonrise:09:13 AM Moonset: 06:17 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Overcast |
-6.9 ° C (19.6°F) |
2.5 ° C (36.5°F) |
-2.4 ° C (27.7°F) |
% 57 | 0% | 0.3 | Sunrise:07:38 AM Sunset: 04:59 PM |
Moonrise:09:50 AM Moonset: 07:22 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
-0.9 ° C (30.3°F) |
4.5 ° C (40.1°F) |
3.1 ° C (37.6°F) |
% 84 | 88% | 0.1 | Sunrise:07:39 AM Sunset: 04:59 PM |
Moonrise:10:21 AM Moonset: 08:28 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Mist |
1 ° C (33.9°F) |
6.7 ° C (44.1°F) |
4.2 ° C (39.6°F) |
% 88 | 0% | 0 | Sunrise:07:39 AM Sunset: 05:00 PM |
Moonrise:10:48 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
6.6 ° C (43.8°F) |
14.5 ° C (58°F) |
12.1 ° C (53.7°F) |
% 92 | 89% | 3 | Sunrise:07:40 AM Sunset: 05:00 PM |
Moonrise:11:12 AM Moonset: 10:41 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
6.2 ° C (43.2°F) |
15 ° C (59°F) |
12.7 ° C (54.8°F) |
% 80 | 74% | 3 | Sunrise:07:40 AM Sunset: 05:01 PM |
Moonrise:11:34 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
4.4 ° C (39.9°F) |
13.5 ° C (56.3°F) |
8.3 ° C (46.9°F) |
% 89 | 0% | 3 | Sunrise:07:40 AM Sunset: 05:02 PM |
Moonrise:11:57 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
5.4 ° C (41.7°F) |
10.6 ° C (51.1°F) |
7.3 ° C (45.1°F) |
% 83 | 0% | 3 | Sunrise:07:41 AM Sunset: 05:02 PM |
Moonrise:12:21 PM Moonset: 12:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
1.4 ° C (34.6°F) |
5.5 ° C (41.9°F) |
3.8 ° C (38.8°F) |
% 90 | 88% | 1 | Sunrise:07:41 AM Sunset: 05:03 PM |
Moonrise:12:49 PM Moonset: 02:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Light freezing rain |
-3.9 ° C (25°F) |
3.1 ° C (37.6°F) |
0.1 ° C (32.2°F) |
% 89 | 86% | 1 | Sunrise:07:41 AM Sunset: 05:04 PM |
Moonrise:01:23 PM Moonset: 03:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-6.8 ° C (19.8°F) |
3.2 ° C (37.8°F) |
-2.8 ° C (27°F) |
% 74 | 0% | 2 | Sunrise:07:41 AM Sunset: 05:05 PM |
Moonrise:02:05 PM Moonset: 04:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-4.6 ° C (23.8°F) |
4.7 ° C (40.5°F) |
-0.6 ° C (31°F) |
% 69 | 0% | 2 | Sunrise:07:41 AM Sunset: 05:06 PM |
Moonrise:03:00 PM Moonset: 06:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Freezing fog |
-0.7 ° C (30.7°F) |
6.1 ° C (43°F) |
2.2 ° C (35.9°F) |
% 92 | 0% | 1 | Sunrise:07:41 AM Sunset: 05:06 PM |
Moonrise:04:07 PM Moonset: 07:14 AM Moon Phase ( Waxing Gibbous ) |
|