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 Lake Oswego Weather Forecast Summary |
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Today
Dec 15th
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Tuesday
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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Showers |
Showers |
Showers |
Rain |
Mix of rain and snow |
57°F
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56°F
49°F |
46°F
41°F |
53°F
40°F |
48°F
37°F |
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| Lake Oswego Detailed Weather Forecast |
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| Monday, December 15th, 2025 |
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Afternoon |
Temperature: 54°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 49°F |
| Cloudy with a chance of showers. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 49°F |
| Cloudy with showers likely. |
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Morning |
Temperature: 55°F |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 55°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 55°F |
| Cloudy with periods of rain. Wind 20 to 30 mph. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 45°F |
| Cloudy with clear periods with showers. Windy at times. |
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Morning |
Temperature: 46°F |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 45°F |
| Cloudy with showers likely. |
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Evening |
Temperature: 41°F |
| Cloudy with a chance of showers. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 41°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 42°F |
| Cloudy with showers. |
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Afternoon |
Temperature: 52°F |
| Cloudy with rain. Windy at times. |
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Evening |
Temperature: 49°F |
| Cloudy with rain. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 46°F |
| Cloudy with periods of rain. |
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Morning |
Temperature: 41°F |
| Cloudy with showers. |
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Afternoon |
Temperature: 40°F |
| Cloudy with a few showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 37°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 38°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Morning |
Temperature: 42°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 42°F |
| A mix of cloud and sun with a chance of showers. |
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Evening |
Temperature: 36°F |
| Clear with cloudy periods. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 33°F |
| Cloudy. |
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Morning |
Temperature: 38°F |
| Cloudy with a few showers. Showers possibly mixed with wet flurries. |
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Afternoon |
Temperature: 45°F |
| Cloudy with showers likely. Wind 20 to 30 mph. |
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Evening |
Temperature: 42°F |
| Cloudy with showers likely. Windy at times. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 41°F |
| Cloudy with a few showers. Windy. |
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Morning |
Temperature: 42°F |
| Cloudy with a few showers. Windy at times. |
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Afternoon |
Temperature: 41°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 37°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 35°F |
| Cloudy. |
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Morning |
Temperature: 39°F |
| Cloudy. |
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Afternoon |
Temperature: 38°F |
| Cloudy with showers likely. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 37°F |
| Cloudy with showers likely. Showers possibly mixed with wet flurries. |
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