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.
| 06 May 2026 Wednesday 12 ° C / 53.6°F ![]() Overcast |
Feels Like : 10.4 ° C / 50.7°F Humidity : % 62 Pressure : 1011 mb Wind Speed : 14.8 kmph / 9.2 miles from NW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 May 2026 Wednesday | Moderate rain |
5.9 ° C (42.6°F) |
11.8 ° C (53.2°F) |
9.9 ° C (49.8°F) |
% 84 | 82% | 4.1 | Sunrise:06:12 AM Sunset: 08:23 PM |
Moonrise:12:37 AM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
| 07 May 2026 Thursday | Patchy rain nearby |
1.2 ° C (34.2°F) |
10.6 ° C (51.1°F) |
6 ° C (42.8°F) |
% 72 | 82% | 3.9 | Sunrise:06:11 AM Sunset: 08:24 PM |
Moonrise:01:19 AM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Patchy rain nearby |
1.6 ° C (35°F) |
14 ° C (57.2°F) |
8.3 ° C (46.9°F) |
% 76 | 83% | 0.5 | Sunrise:06:10 AM Sunset: 08:25 PM |
Moonrise:01:54 AM Moonset: 11:20 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Moderate rain |
7.2 ° C (44.9°F) |
14.7 ° C (58.5°F) |
10.2 ° C (50.4°F) |
% 83 | 89% | 3 | Sunrise:06:08 AM Sunset: 08:26 PM |
Moonrise:02:23 AM Moonset: 12:25 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Partly Cloudy |
7.3 ° C (45.1°F) |
21.3 ° C (70.4°F) |
13.2 ° C (55.7°F) |
% 78 | 0% | 4 | Sunrise:06:07 AM Sunset: 08:28 PM |
Moonrise:02:49 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Moderate rain |
0.2 ° C (32.4°F) |
8.3 ° C (46.9°F) |
5.5 ° C (41.9°F) |
% 89 | 84% | 2 | Sunrise:06:06 AM Sunset: 08:29 PM |
Moonrise:03:12 AM Moonset: 02:39 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Patchy rain nearby |
-0.7 ° C (30.7°F) |
12.4 ° C (54.3°F) |
6.3 ° C (43.4°F) |
% 71 | 0% | 2 | Sunrise:06:05 AM Sunset: 08:30 PM |
Moonrise:03:34 AM Moonset: 03:49 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
5.8 ° C (42.5°F) |
16.5 ° C (61.7°F) |
10.8 ° C (51.4°F) |
% 90 | 85% | 3 | Sunrise:06:04 AM Sunset: 08:31 PM |
Moonrise:03:56 AM Moonset: 05:01 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Partly Cloudy |
6.8 ° C (44.2°F) |
20.8 ° C (69.5°F) |
12.4 ° C (54.3°F) |
% 81 | 0% | 4 | Sunrise:06:03 AM Sunset: 08:32 PM |
Moonrise:04:20 AM Moonset: 06:17 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
6.8 ° C (44.2°F) |
16.4 ° C (61.5°F) |
11.6 ° C (53°F) |
% 83 | 70% | 3 | Sunrise:06:02 AM Sunset: 08:33 PM |
Moonrise:04:48 AM Moonset: 07:37 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
4.4 ° C (39.8°F) |
14.9 ° C (58.8°F) |
9.2 ° C (48.6°F) |
% 76 | 0% | 3 | Sunrise:06:01 AM Sunset: 08:34 PM |
Moonrise:05:23 AM Moonset: 09:00 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
3.5 ° C (38.3°F) |
19.6 ° C (67.3°F) |
11.7 ° C (53.1°F) |
% 69 | 0% | 4 | Sunrise:06:00 AM Sunset: 08:35 PM |
Moonrise:06:07 AM Moonset: 10:18 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
12.6 ° C (54.8°F) |
20.8 ° C (69.5°F) |
16.6 ° C (61.9°F) |
% 87 | 85% | 4 | Sunrise:06:00 AM Sunset: 08:36 PM |
Moonrise:07:04 AM Moonset: 11:28 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
15.6 ° C (60.1°F) |
24 ° C (75.2°F) |
19.8 ° C (67.6°F) |
% 86 | 0% | 4 | Sunrise:05:59 AM Sunset: 08:36 PM |
Moonrise:08:13 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|