Upper Merion Weather Forecast 15 Days, Weather in Upper Merion Today
Current weather conditions and 15 day weather forecast for Upper Merion, 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 Upper Merion
| 20 December 2025 Saturday 1.1 ° C / 34°F  Clear |
Feels Like : -2.3 ° C / 27.9°F Humidity : % 51 Pressure : 1020 mb Wind Speed : 11.2 kmph / 6.9 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Upper Merion, PA, USA
Weather Forecast for next 15 Days for Upper Merion 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 Upper Merion, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-1.6 ° C (29.1°F) |
4.9 ° C (40.8°F) |
0.6 ° C (33.1°F) |
% 70 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:38 PM |
Moonrise:08:10 AM Moonset: 04:56 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Partly Cloudy |
-1.5 ° C (29.3°F) |
8.7 ° C (47.7°F) |
2.4 ° C (36.2°F) |
% 72 | 0% | 0.2 | Sunrise:07:20 AM Sunset: 04:39 PM |
Moonrise:08:55 AM Moonset: 05:57 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-4.4 ° C (24.1°F) |
2 ° C (35.6°F) |
-1.7 ° C (29°F) |
% 64 | 0% | 0.3 | Sunrise:07:21 AM Sunset: 04:39 PM |
Moonrise:09:32 AM Moonset: 07:02 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Moderate or heavy snow showers |
-0.7 ° C (30.7°F) |
1.5 ° C (34.8°F) |
0.9 ° C (33.6°F) |
% 73 | 77% | 0 | Sunrise:07:21 AM Sunset: 04:40 PM |
Moonrise:10:03 AM Moonset: 08:09 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Cloudy |
0.5 ° C (32.9°F) |
5.7 ° C (42.3°F) |
3.7 ° C (38.7°F) |
% 80 | 0% | 0 | Sunrise:07:22 AM Sunset: 04:41 PM |
Moonrise:10:29 AM Moonset: 09:15 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
0.1 ° C (32.2°F) |
4.7 ° C (40.5°F) |
3.3 ° C (38°F) |
% 90 | 80% | 1 | Sunrise:07:22 AM Sunset: 04:41 PM |
Moonrise:10:53 AM Moonset: 10:21 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
7.8 ° C (46.1°F) |
17.1 ° C (62.8°F) |
11.4 ° C (52.5°F) |
% 81 | 73% | 3 | Sunrise:07:23 AM Sunset: 04:42 PM |
Moonrise:11:16 AM Moonset: 11:29 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
3.6 ° C (38.4°F) |
10 ° C (50.1°F) |
6.5 ° C (43.6°F) |
% 72 | 0% | 3 | Sunrise:07:23 AM Sunset: 04:43 PM |
Moonrise:11:38 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
3.1 ° C (37.6°F) |
6.9 ° C (44.4°F) |
4.7 ° C (40.5°F) |
% 69 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:43 PM |
Moonrise:12:02 PM Moonset: 12:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
0.7 ° C (33.3°F) |
3.7 ° C (38.7°F) |
2.1 ° C (35.8°F) |
% 76 | 88% | 1 | Sunrise:07:23 AM Sunset: 04:44 PM |
Moonrise:12:29 PM Moonset: 01:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Heavy snow |
-4.5 ° C (23.9°F) |
0.7 ° C (33.2°F) |
-1.3 ° C (29.6°F) |
% 89 | 69% | 1 | Sunrise:07:24 AM Sunset: 04:45 PM |
Moonrise:01:03 PM Moonset: 03:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-7.7 ° C (18.2°F) |
0.9 ° C (33.6°F) |
-3.5 ° C (25.7°F) |
% 87 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:46 PM |
Moonrise:01:46 PM Moonset: 04:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Mist |
-5.5 ° C (22°F) |
1.6 ° C (35°F) |
-2.3 ° C (27.9°F) |
% 91 | 0% | 1 | Sunrise:07:24 AM Sunset: 04:46 PM |
Moonrise:02:40 PM Moonset: 05:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-4.1 ° C (24.6°F) |
3 ° C (37.4°F) |
-1.2 ° C (29.8°F) |
% 94 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:47 PM |
Moonrise:03:47 PM Moonset: 06:56 AM Moon Phase ( Waxing Gibbous ) |
|
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