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 Chambersburg Weather Forecast Summary |
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Today
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Saturday
May 23rd
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Sunday
May 24th
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Thundershowers |
Mostly Cloudy with Showers |
Showers |
Showers |
Showers |
79°F
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58°F
48°F |
54°F
47°F |
49°F
46°F |
50°F
48°F |
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| Chambersburg Detailed Weather Forecast |
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| Wednesday, May 20th, 2026 |
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Morning |
Temperature: 75°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 76°F |
| A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 64°F |
| A mix of cloudy and clear skies with showers likely. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 56°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 49°F |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 52°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 50°F |
| Mostly clear. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 49°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 52°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 53°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 48°F |
| Cloudy with a few showers. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 47°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 47°F |
| Cloudy with a few showers. Windy at times. |
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Afternoon |
Temperature: 48°F |
| Cloudy with a few showers. Windy at times. |
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Evening |
Temperature: 48°F |
| Cloudy with a few showers. Windy at times. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 49°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 50°F |
| Cloudy with sunny periods with showers likely. |
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Afternoon |
Temperature: 50°F |
| A mix of cloud and sun with a slight chance of showers. |
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Evening |
Temperature: 49°F |
| Mostly cloudy. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 48°F |
| Cloudy. |
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Morning |
Temperature: 50°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 54°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 54°F |
| Mostly cloudy with a chance of showers. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 54°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 58°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 65°F |
| Cloudy with a chance of showers. |
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Evening |
Temperature: 62°F |
| A mix of cloudy and clear skies. |
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| Wednesday, May 27th, 2026 |
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Overnight |
Temperature: 59°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 69°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 76°F |
| Mostly sunny. Slight chance of a thunderstorm. |
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Evening |
Temperature: 67°F |
| Mostly clear. Slight chance of a thunderstorm. |
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| Thursday, May 28th, 2026 |
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Overnight |
Temperature: 64°F |
| Mostly clear with a slight chance of showers. |
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Morning |
Temperature: 69°F |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 71°F |
| A mix of sun and cloud with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 68°F |
| Mostly clear. Slight chance of a thunderstorm. |
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