Mercer Weather Forecast 15 Days, Weather in Mercer Today
Current weather conditions and 15 day weather forecast for Mercer, 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 Mercer
| 10 May 2026 Sunday 11.7 ° C / 53.1°F  Partly cloudy |
Feels Like : 10.6 ° C / 51.2°F Humidity : % 69 Pressure : 1017 mb Wind Speed : 10.1 kmph / 6.3 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Mercer, PA, USA
Weather Forecast for next 15 Days for Mercer 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 Mercer, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday |  Patchy rain nearby |
6.6 ° C (43.9°F) |
16.2 ° C (61.2°F) |
12.1 ° C (53.8°F) |
% 71 | 89% | 4 | Sunrise:06:07 AM Sunset: 08:27 PM |
Moonrise:02:48 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Patchy rain nearby |
0.4 ° C (32.7°F) |
12 ° C (53.5°F) |
6.6 ° C (43.8°F) |
% 64 | 73% | 6.4 | Sunrise:06:06 AM Sunset: 08:28 PM |
Moonrise:03:11 AM Moonset: 02:39 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Sunny |
-1.1 ° C (29.9°F) |
14.2 ° C (57.5°F) |
7 ° C (44.6°F) |
% 63 | 0% | 0.7 | Sunrise:06:05 AM Sunset: 08:29 PM |
Moonrise:03:33 AM Moonset: 03:48 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday |  Heavy rain |
5.2 ° C (41.4°F) |
13.6 ° C (56.4°F) |
8.7 ° C (47.7°F) |
% 91 | 74% | 2 | Sunrise:06:04 AM Sunset: 08:30 PM |
Moonrise:03:55 AM Moonset: 05:00 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
2.5 ° C (36.6°F) |
9.2 ° C (48.6°F) |
6.4 ° C (43.4°F) |
% 87 | 88% | 2 | Sunrise:06:03 AM Sunset: 08:31 PM |
Moonrise:04:19 AM Moonset: 06:16 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
0.7 ° C (33.3°F) |
18.4 ° C (65.1°F) |
8.7 ° C (47.6°F) |
% 77 | 0% | 3 | Sunrise:06:02 AM Sunset: 08:32 PM |
Moonrise:04:48 AM Moonset: 07:37 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
12.1 ° C (53.7°F) |
24.6 ° C (76.3°F) |
18.1 ° C (64.6°F) |
% 84 | 84% | 4 | Sunrise:06:01 AM Sunset: 08:33 PM |
Moonrise:05:23 AM Moonset: 08:59 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
16.6 ° C (61.9°F) |
23.2 ° C (73.8°F) |
19.4 ° C (66.9°F) |
% 87 | 85% | 4 | Sunrise:06:00 AM Sunset: 08:34 PM |
Moonrise:06:07 AM Moonset: 10:17 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
9.2 ° C (48.5°F) |
18.9 ° C (66°F) |
15.4 ° C (59.7°F) |
% 82 | 85% | 4 | Sunrise:05:59 AM Sunset: 08:35 PM |
Moonrise:07:04 AM Moonset: 11:27 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Partly Cloudy |
8.8 ° C (47.9°F) |
19.3 ° C (66.7°F) |
14.3 ° C (57.7°F) |
% 75 | 0% | 4 | Sunrise:05:58 AM Sunset: 08:36 PM |
Moonrise:08:13 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
11.8 ° C (53.2°F) |
26.8 ° C (80.2°F) |
19 ° C (66.2°F) |
% 77 | 88% | 4 | Sunrise:05:58 AM Sunset: 08:37 PM |
Moonrise:09:30 AM Moonset: 12:23 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
16.5 ° C (61.8°F) |
25.1 ° C (77.1°F) |
20.6 ° C (69.2°F) |
% 87 | 78% | 5 | Sunrise:05:57 AM Sunset: 08:38 PM |
Moonrise:10:47 AM Moonset: 01:06 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday |  Moderate rain |
15.1 ° C (59.2°F) |
21.4 ° C (70.4°F) |
18.6 ° C (65.4°F) |
% 91 | 85% | 4 | Sunrise:05:56 AM Sunset: 08:38 PM |
Moonrise:12:02 PM Moonset: 01:40 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
11.1 ° C (52°F) |
22.9 ° C (73.3°F) |
16.1 ° C (60.9°F) |
% 64 | 0% | 5 | Sunrise:05:55 AM Sunset: 08:39 PM |
Moonrise:01:13 PM Moonset: 02:06 AM Moon Phase ( First Quarter ) |
|
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