Mercersburg Weather Forecast 15 Days, Weather in Mercersburg Today
Current weather conditions and 15 day weather forecast for Mercersburg, 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 Mercersburg
| 30 April 2026 Thursday 12.8 ° C / 55°F  Sunny |
Feels Like : 11 ° C / 51.8°F Humidity : % 52 Pressure : 1012 mb Wind Speed : 19.1 kmph / 11.9 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
15 day weather forecast for Mercersburg, PA, USA
Weather Forecast for next 15 Days for Mercersburg 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 Mercersburg, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 April 2026 Thursday | Sunny |
7.2 ° C (45°F) |
16.8 ° C (62.2°F) |
12.2 ° C (53.9°F) |
% 70 | 0% | 5.7 | Sunrise:06:13 AM Sunset: 08:05 PM |
Moonrise:07:27 PM Moonset: 05:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 May 2026 Friday |  Patchy rain nearby |
3.3 ° C (38°F) |
14.9 ° C (58.9°F) |
8.3 ° C (47°F) |
% 73 | 88% | 5.3 | Sunrise:06:12 AM Sunset: 08:06 PM |
Moonrise:08:30 PM Moonset: 05:45 AM Moon Phase ( Full Moon ) |
|
| 02 May 2026 Saturday | Patchy rain nearby |
2.2 ° C (36°F) |
11.9 ° C (53.5°F) |
6.9 ° C (44.4°F) |
% 73 | 78% | 5.7 | Sunrise:06:11 AM Sunset: 08:07 PM |
Moonrise:09:34 PM Moonset: 06:13 AM Moon Phase ( Waning Gibbous ) |
|
| 03 May 2026 Sunday | Sunny |
0.4 ° C (32.6°F) |
14.4 ° C (57.9°F) |
7.4 ° C (45.3°F) |
% 62 | 0% | 6.9 | Sunrise:06:09 AM Sunset: 08:08 PM |
Moonrise:10:34 PM Moonset: 06:47 AM Moon Phase ( Waning Gibbous ) |
|
| 04 May 2026 Monday | Patchy rain nearby |
4.3 ° C (39.8°F) |
18.7 ° C (65.7°F) |
10.6 ° C (51°F) |
% 74 | 68% | 4 | Sunrise:06:08 AM Sunset: 08:09 PM |
Moonrise:11:31 PM Moonset: 07:28 AM Moon Phase ( Waning Gibbous ) |
|
| 05 May 2026 Tuesday | Patchy rain nearby |
8.6 ° C (47.6°F) |
22.9 ° C (73.2°F) |
12.8 ° C (55.1°F) |
% 79 | 68% | 0.7 | Sunrise:06:07 AM Sunset: 08:10 PM |
Moonrise:No moonrise Moonset: 08:16 AM Moon Phase ( Waning Gibbous ) |
|
| 06 May 2026 Wednesday | Patchy rain nearby |
7.8 ° C (46.1°F) |
16.3 ° C (61.3°F) |
12.3 ° C (54.1°F) |
% 80 | 76% | 3 | Sunrise:06:06 AM Sunset: 08:11 PM |
Moonrise:12:21 AM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 07 May 2026 Thursday | Patchy rain nearby |
6 ° C (42.8°F) |
15 ° C (59°F) |
9.5 ° C (49.2°F) |
% 74 | 80% | 2 | Sunrise:06:05 AM Sunset: 08:12 PM |
Moonrise:01:04 AM Moonset: 10:11 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Sunny |
3.6 ° C (38.5°F) |
15 ° C (59°F) |
8.7 ° C (47.6°F) |
% 64 | 0% | 3 | Sunrise:06:04 AM Sunset: 08:13 PM |
Moonrise:01:40 AM Moonset: 11:15 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Patchy rain nearby |
4 ° C (39.2°F) |
9.4 ° C (49°F) |
7 ° C (44.6°F) |
% 84 | 89% | 2 | Sunrise:06:03 AM Sunset: 08:14 PM |
Moonrise:02:10 AM Moonset: 12:19 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Patchy rain nearby |
6.1 ° C (43°F) |
13.8 ° C (56.9°F) |
9.7 ° C (49.5°F) |
% 71 | 0% | 2 | Sunrise:06:02 AM Sunset: 08:15 PM |
Moonrise:02:37 AM Moonset: 01:25 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
3.2 ° C (37.8°F) |
15.9 ° C (60.7°F) |
9.6 ° C (49.3°F) |
% 61 | 0% | 3 | Sunrise:06:01 AM Sunset: 08:16 PM |
Moonrise:03:01 AM Moonset: 02:30 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Moderate rain |
6.6 ° C (43.8°F) |
8.4 ° C (47.2°F) |
7.5 ° C (45.5°F) |
% 97 | 89% | 2 | Sunrise:06:00 AM Sunset: 08:17 PM |
Moonrise:03:24 AM Moonset: 03:39 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
5.8 ° C (42.4°F) |
12.1 ° C (53.7°F) |
9.2 ° C (48.6°F) |
% 90 | 83% | 2 | Sunrise:05:59 AM Sunset: 08:18 PM |
Moonrise:03:47 AM Moonset: 04:49 PM Moon Phase ( Waning Crescent ) |
|
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