 |
 Current South Williamsport Weather Conditions |
Updated December 16th at 9:54 am |
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| Temperature: | 18°F |
Dew Point: | 9°F |
| Barometer: | 30.24 inHg |
Wind: | N 13 Mph |
| Humidity: | 65.7% |
Visibility: | 0M |
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| South Williamsport Weather Forecast Summary |
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Today
Dec 16th
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Wednesday
Dec 17th
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Thursday
Dec 18th
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Friday
Dec 19th
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Saturday
Dec 20th
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Cloudy |
Cloudy |
Mix of rain and snow |
Mix of rain and snow |
Cloudy |
25°F
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39°F
15°F |
47°F
23°F |
52°F
26°F |
34°F
26°F |
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| South Williamsport Detailed Weather Forecast |
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| Tuesday, December 16th, 2025 |
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Afternoon |
Temperature: 22°F |
| Cloudy. |
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Evening |
Temperature: 16°F |
| Clear with cloudy periods. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 18°F |
| Cloudy. |
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Morning |
Temperature: 34°F |
| Cloudy. |
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Afternoon |
Temperature: 38°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 24°F |
| A mix of cloudy and clear skies. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 23°F |
| Cloudy. |
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Morning |
Temperature: 38°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 39°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 45°F |
| Cloudy with showers likely. Windy. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 48°F |
| Cloudy with showers. Windy. |
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Morning |
Temperature: 42°F |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 31°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy. |
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Evening |
Temperature: 26°F |
| Clear with cloudy periods. Windy at times. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 26°F |
| Cloudy. |
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Morning |
Temperature: 31°F |
| Cloudy. |
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Afternoon |
Temperature: 33°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 33°F |
| Cloudy. Windy at times. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 31°F |
| Cloudy. |
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Morning |
Temperature: 38°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 29°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 25°F |
| Cloudy. Windy at times. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 23°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 27°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 26°F |
| Sunny. |
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Evening |
Temperature: 24°F |
| Cloudy. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 26°F |
| Cloudy. |
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Morning |
Temperature: 32°F |
| Cloudy. |
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Afternoon |
Temperature: 35°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 38°F |
| Cloudy. Windy at times. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 42°F |
| Cloudy. |
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Morning |
Temperature: 44°F |
| Cloudy. |
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Afternoon |
Temperature: 37°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 33°F |
| Cloudy. |
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