 |
 Current South Williamsport Weather Conditions |
Updated December 11th at 10:54 am |
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| Overcast |
| Temperature: | 28°F |
Dew Point: | 18°F |
| Barometer: | 29.74 inHg |
Wind: | N 36 Mph |
| Humidity: | 63.1% |
Visibility: | 0M |
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| South Williamsport Weather Forecast Summary |
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Today
Dec 11th
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Friday
Dec 12th
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Saturday
Dec 13th
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Sunday
Dec 14th
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Monday
Dec 15th
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 |
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Mostly Sunny |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
29°F
|
29°F
14°F |
35°F
17°F |
22°F
18°F |
27°F
16°F |
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| South Williamsport Detailed Weather Forecast |
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| Thursday, December 11th, 2025 |
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Afternoon |
Temperature: 25°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 20°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, December 12th, 2025 |
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Overnight |
Temperature: 14°F |
| Cloudy. |
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Morning |
Temperature: 26°F |
| Cloudy. |
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Afternoon |
Temperature: 22°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 17°F |
| Cloudy. |
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| Saturday, December 13th, 2025 |
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Overnight |
Temperature: 19°F |
| Cloudy. |
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Morning |
Temperature: 32°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 30°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 24°F |
| Cloudy. |
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| Sunday, December 14th, 2025 |
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Overnight |
Temperature: 20°F |
| Cloudy. |
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Morning |
Temperature: 20°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 21°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 19°F |
| Cloudy. Windy at times. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 16°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 23°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 24°F |
| Cloudy with a slight chance of flurries. |
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Evening |
Temperature: 21°F |
| Cloudy. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 18°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 26°F |
| Cloudy. |
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Afternoon |
Temperature: 25°F |
| Cloudy. |
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Evening |
Temperature: 22°F |
| Cloudy. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 23°F |
| Cloudy. |
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Morning |
Temperature: 33°F |
| Cloudy. |
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Afternoon |
Temperature: 33°F |
| Cloudy. |
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Evening |
Temperature: 33°F |
| Cloudy. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 34°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. |
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Morning |
Temperature: 38°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Afternoon |
Temperature: 38°F |
| Cloudy. |
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Evening |
Temperature: 41°F |
| Cloudy. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 46°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 40°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 31°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 26°F |
| Cloudy. |
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