 |
 Current Mercersburg Weather Conditions |
Updated July 27th at 1:53 pm |
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| Mostly Sunny |
| Temperature: | 90°F |
Dew Point: | 75°F |
| Barometer: | 30.01 inHg |
Wind: | N 13 Mph |
| Humidity: | 62.7% |
Visibility: | 0M |
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| Mercersburg Weather Forecast Summary |
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Today
Jul 27th
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Monday
Jul 28th
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Tuesday
Jul 29th
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Wednesday
Jul 30th
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Thursday
Jul 31st
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Thundershowers |
Cloudy |
Mix of Cloud and Sun |
Thundershowers |
Cloudy |
83°F
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88°F
70°F |
89°F
70°F |
90°F
70°F |
76°F
61°F |
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| Mercersburg Detailed Weather Forecast |
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| Sunday, July 27th, 2025 |
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Afternoon |
Temperature: 81°F |
| Cloudy with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 73°F |
| Clear with showers likely. Chance of a thunderstorm. |
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| Monday, July 28th, 2025 |
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Overnight |
Temperature: 73°F |
| Cloudy. |
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Morning |
Temperature: 85°F |
| Sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 84°F |
| Mostly sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 73°F |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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| Tuesday, July 29th, 2025 |
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Overnight |
Temperature: 73°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 86°F |
| 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: 73°F |
| A mix of cloudy and clear skies with a chance of showers or thundershowers. |
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| Wednesday, July 30th, 2025 |
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Overnight |
Temperature: 73°F |
| Clear. Chance of a thunderstorm. |
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Morning |
Temperature: 87°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 86°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Evening |
Temperature: 72°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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| Thursday, July 31st, 2025 |
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Overnight |
Temperature: 71°F |
| Cloudy with a slight chance of showers or thundershowers. |
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Morning |
Temperature: 76°F |
| Cloudy with a chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 72°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 63°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, August 1st, 2025 |
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Overnight |
Temperature: 59°F |
| Clear. |
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Morning |
Temperature: 71°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 70°F |
| Sunny. |
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Evening |
Temperature: 59°F |
| Clear. Windy at times. |
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| Saturday, August 2nd, 2025 |
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Overnight |
Temperature: 57°F |
| Clear. |
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Morning |
Temperature: 72°F |
| Mostly sunny. |
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Afternoon |
Temperature: 70°F |
| Cloudy. |
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Evening |
Temperature: 59°F |
| A mix of cloudy and clear skies. |
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| Sunday, August 3rd, 2025 |
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Overnight |
Temperature: 58°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 74°F |
| Cloudy. |
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Afternoon |
Temperature: 71°F |
| Cloudy. |
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Evening |
Temperature: 63°F |
| Cloudy. |
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| Monday, August 4th, 2025 |
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Overnight |
Temperature: 62°F |
| Cloudy. |
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Morning |
Temperature: 71°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 67°F |
| Cloudy. |
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Evening |
Temperature: 63°F |
| Cloudy. |
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