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 Portland Weather Forecast Summary |
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Today
May 15th
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Saturday
May 16th
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Sunday
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Mostly Sunny |
Mix of Sun and Cloud |
Mix of Sun and Cloud |
Thundershowers |
Mix of Cloud and Sun |
63°F
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75°F
51°F |
70°F
57°F |
82°F
62°F |
77°F
61°F |
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| Portland Detailed Weather Forecast |
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| Friday, May 15th, 2026 |
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Afternoon |
Temperature: 62°F |
| Sunny with cloudy periods. Windy. |
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Evening |
Temperature: 54°F |
| Clear. Windy at times. |
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| Saturday, May 16th, 2026 |
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Overnight |
Temperature: 53°F |
| A mix of cloudy and clear skies with a chance of showers. Windy at times. |
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Morning |
Temperature: 63°F |
| Cloudy with a chance of showers. Windy. |
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Afternoon |
Temperature: 75°F |
| Sunny. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 65°F |
| Clear with cloudy periods. Chance of a thunderstorm. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 57°F |
| Mostly clear. |
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Morning |
Temperature: 64°F |
| A mix of sun and cloud with a slight chance of showers. |
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Afternoon |
Temperature: 69°F |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 67°F |
| A mix of cloudy and clear skies with a chance of showers or thundershowers. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 63°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 71°F |
| Sunny. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 78°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy. |
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Evening |
Temperature: 66°F |
| A mix of cloudy and clear skies with a few showers. Slight chance of a thunderstorm. Windy. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 69°F |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy. |
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Morning |
Temperature: 72°F |
| A mix of sun and cloud with a chance of showers or thundershowers. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 72°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. Windy. |
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Evening |
Temperature: 62°F |
| Cloudy. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 52°F |
| A mix of clear and cloudy skies. Windy at times. |
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Morning |
Temperature: 52°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 59°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 48°F |
| Mostly clear. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 38°F |
| Clear. |
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Morning |
Temperature: 44°F |
| Mostly sunny. |
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Afternoon |
Temperature: 56°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 50°F |
| A mix of cloudy and clear skies. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 40°F |
| Clear. |
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Morning |
Temperature: 49°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 64°F |
| Sunny. |
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Evening |
Temperature: 56°F |
| Clear. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 47°F |
| Mostly clear. |
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Morning |
Temperature: 58°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 69°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 61°F |
| Cloudy with a chance of showers. |
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