 |
 Current Mercersburg Weather Conditions |
Updated June 18th at 8:53 am |
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| Mostly Sunny |
| Temperature: | 75°F |
Dew Point: | 72°F |
| Barometer: | 29.95 inHg |
Wind: | calm |
| Humidity: | 88.6% |
Visibility: | 0M |
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| Mercersburg Weather Forecast Summary |
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Today
Jun 18th
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Thursday
Jun 19th
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Friday
Jun 20th
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Saturday
Jun 21st
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Sunday
Jun 22nd
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Thundershowers |
Thundershowers |
Cloudy |
Cloudy |
Cloudy |
78°F
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82°F
58°F |
78°F
57°F |
81°F
61°F |
90°F
66°F |
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| Mercersburg Detailed Weather Forecast |
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| Wednesday, June 18th, 2025 |
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Morning |
Temperature: 77°F |
| A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 76°F |
| Sunny with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 69°F |
| Clear with cloudy periods. Slight chance of a thunderstorm. |
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| Thursday, June 19th, 2025 |
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Overnight |
Temperature: 67°F |
| A mix of cloudy and clear skies with a slight chance of showers. |
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Morning |
Temperature: 80°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 71°F |
| A mix of cloud and sun with rain. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 60°F |
| Clear. |
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| Friday, June 20th, 2025 |
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Overnight |
Temperature: 60°F |
| Clear. |
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Morning |
Temperature: 74°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 74°F |
| Cloudy. Slight chance of a thunderstorm. |
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Evening |
Temperature: 65°F |
| Cloudy. |
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| Saturday, June 21st, 2025 |
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Overnight |
Temperature: 64°F |
| Mostly clear. |
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Morning |
Temperature: 78°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 71°F |
| Cloudy. |
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| Sunday, June 22nd, 2025 |
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Overnight |
Temperature: 69°F |
| Cloudy. |
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Morning |
Temperature: 85°F |
| A mix of cloud and sun. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 86°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. |
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| Monday, June 23rd, 2025 |
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Overnight |
Temperature: 76°F |
| Clear. Chance of a thunderstorm. |
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Morning |
Temperature: 90°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 89°F |
| Sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 74°F |
| Clear. Chance of a thunderstorm. |
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| Tuesday, June 24th, 2025 |
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Overnight |
Temperature: 71°F |
| Clear with cloudy periods. Chance of a thunderstorm. |
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Morning |
Temperature: 86°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 84°F |
| Sunny with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 73°F |
| Cloudy with showers likely. Chance of a thunderstorm. |
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| Wednesday, June 25th, 2025 |
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Overnight |
Temperature: 71°F |
| Cloudy. Slight chance of a thunderstorm. |
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Morning |
Temperature: 84°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 82°F |
| A mix of cloud and sun. Chance of a thunderstorm. |
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Evening |
Temperature: 69°F |
| Cloudy. |
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| Thursday, June 26th, 2025 |
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Overnight |
Temperature: 68°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 81°F |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 80°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 69°F |
| Clear with cloudy periods. |
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