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
| 17 June 2026 Wednesday 15.3 ° C / 59.5°F  Overcast |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 83 Pressure : 1010 mb Wind Speed : 4.7 kmph / 2.9 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 June 2026 Wednesday |  Sunny |
14.4 ° C (57.9°F) |
30.8 ° C (87.4°F) |
21.8 ° C (71.3°F) |
% 59 | 4% | 8.7 | Sunrise:05:42 AM Sunset: 08:42 PM |
Moonrise:07:57 AM Moonset: 11:14 PM Moon Phase ( Waxing Crescent ) |
|
| 18 June 2026 Thursday |  Moderate rain |
19 ° C (66.1°F) |
30.3 ° C (86.6°F) |
23.8 ° C (74.9°F) |
% 66 | 64% | 10.2 | Sunrise:05:43 AM Sunset: 08:42 PM |
Moonrise:09:17 AM Moonset: 11:48 PM Moon Phase ( Waxing Crescent ) |
|
| 19 June 2026 Friday |  Partly Cloudy |
15.5 ° C (59.8°F) |
25.4 ° C (77.8°F) |
20 ° C (68°F) |
% 64 | 9% | 9.7 | Sunrise:05:43 AM Sunset: 08:42 PM |
Moonrise:10:34 AM Moonset: Does not set today Moon Phase ( Waxing Crescent ) |
|
| 20 June 2026 Saturday | Sunny |
12.3 ° C (54.2°F) |
23.8 ° C (74.9°F) |
17.8 ° C (64°F) |
% 63 | 4% | 9.4 | Sunrise:05:43 AM Sunset: 08:43 PM |
Moonrise:11:48 AM Moonset: 12:16 AM Moon Phase ( First Quarter ) |
|
| 21 June 2026 Sunday |  Patchy rain nearby |
11.1 ° C (51.9°F) |
25.5 ° C (77.8°F) |
16.8 ° C (62.3°F) |
% 71 | 59% | 1.2 | Sunrise:05:43 AM Sunset: 08:43 PM |
Moonrise:12:58 PM Moonset: 12:41 AM Moon Phase ( First Quarter ) |
|
| 22 June 2026 Monday | Patchy rain nearby |
13 ° C (55.4°F) |
24.2 ° C (75.5°F) |
18.9 ° C (66°F) |
% 75 | 68% | 4 | Sunrise:05:43 AM Sunset: 08:43 PM |
Moonrise:02:07 PM Moonset: 01:04 AM Moon Phase ( First Quarter ) |
|
| 23 June 2026 Tuesday | Sunny |
9.7 ° C (49.4°F) |
24.2 ° C (75.5°F) |
17.3 ° C (63.2°F) |
% 67 | 5% | 5 | Sunrise:05:44 AM Sunset: 08:43 PM |
Moonrise:03:14 PM Moonset: 01:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 June 2026 Wednesday | Partly Cloudy |
12.6 ° C (54.7°F) |
25 ° C (77°F) |
18.7 ° C (65.7°F) |
% 68 | 9% | 5 | Sunrise:05:44 AM Sunset: 08:43 PM |
Moonrise:04:22 PM Moonset: 01:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 June 2026 Thursday | Partly Cloudy |
15.4 ° C (59.7°F) |
25.9 ° C (78.6°F) |
20.6 ° C (69°F) |
% 72 | 17% | 6 | Sunrise:05:44 AM Sunset: 08:43 PM |
Moonrise:05:29 PM Moonset: 02:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 June 2026 Friday | Patchy rain nearby |
16.2 ° C (61.1°F) |
29.2 ° C (84.5°F) |
22.6 ° C (72.7°F) |
% 73 | 36% | 5 | Sunrise:05:45 AM Sunset: 08:43 PM |
Moonrise:06:34 PM Moonset: 02:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 June 2026 Saturday | Sunny |
17.4 ° C (63.3°F) |
33.6 ° C (92.4°F) |
25.8 ° C (78.5°F) |
% 68 | 6% | 7 | Sunrise:05:45 AM Sunset: 08:44 PM |
Moonrise:07:34 PM Moonset: 03:35 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday |  Thundery outbreaks in nearby |
22.2 ° C (71.9°F) |
33.9 ° C (93.1°F) |
27 ° C (80.7°F) |
% 72 | 10% | 6 | Sunrise:05:45 AM Sunset: 08:44 PM |
Moonrise:08:28 PM Moonset: 04:22 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Patchy rain nearby |
20.9 ° C (69.6°F) |
33.3 ° C (91.9°F) |
25.7 ° C (78.2°F) |
% 76 | 57% | 6 | Sunrise:05:46 AM Sunset: 08:44 PM |
Moonrise:09:14 PM Moonset: 05:16 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Partly Cloudy |
21 ° C (69.8°F) |
33 ° C (91.5°F) |
26.9 ° C (80.4°F) |
% 70 | 7% | 7 | Sunrise:05:46 AM Sunset: 08:43 PM |
Moonrise:09:52 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
Add a link to your web page; copy and paste this html to your web page