Portland (OR)
Tomorrow
Tomorrow weather in Portland
Monday, August 17th, 2026
31°
Sunny
Low 15°
The weather tomorrow in Portland will be a bit hotter than today, with max temperatures of 31°.
31° / 15°
Temp
2%
Rain
14 km/h
Wind
48%
Humidity
Portland Weather Pages
Portland hourly forecast for tomorrow
Scroll right to see more weather forecasts for Portland tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:14 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 08:15 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | |  | | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 18.9° | 18.1° | 17.3° | 16.5° | 16.2° | 15.7° | 15.1° | Sunrise | 15.2° | 16.8° | 19° | 21.3° | 23.9° | 26.1° | 28.1° | 29.4° | 30.3° | 30.8° | 31.2° | 30.5° | 27.9° | 24.9° | Sunset | 22.5° | 20.7° | 19.4° | |
| Feels like | 17.9° | 17.2° | 16.3° | 15.8° | 15.7° | 15.3° | 14.8° | 14.5° | 16.2° | 18.3° | 20.5° | 23.2° | 25.2° | 27.2° | 28.3° | 28.8° | 28.8° | 29.5° | 27.7° | 24.7° | 22.2° | 20.6° | 19.7° | 19.1° | |||
| wind speed | 5 km/h | 5 km/h | 5 km/h | 4 km/h | 3 km/h | 3 km/h | 3 km/h | 4 km/h | 4 km/h | 4 km/h | 5 km/h | 4 km/h | 5 km/h | 4 km/h | 4 km/h | 5 km/h | 6 km/h | 4 km/h | 10 km/h | 14 km/h | 13 km/h | 10 km/h | 7 km/h | 3 km/h | |||
| wind degree | 342° | 340° | 341° | 1° | 2° | 357° | 9° | 6° | 1° | 344° | 334° | 305° | 301° | 277° | 266° | 230° | 214° | 255° | 311° | 316° | 317° | 324° | 322° | 300° | |||
| wind direction | NNW | NNW | NNW | N | N | N | N | N | N | NNW | NNW | NW | WNW | W | W | SW | SW | WSW | NW | NW | NW | NW | NW | WNW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 3% | 4% | 4% | 6% | 7% | 7% | 7% | 7% | 5% | 3% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 3% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 56% | 59% | 62% | 66% | 68% | 70% | 73% | 73% | 66% | 57% | 49% | 42% | 36% | 31% | 27% | 24% | 22% | 21% | 22% | 29% | 36% | 45% | 53% | 58% | |||
| dew point | 9.9° | 10° | 10° | 10.1° | 10.3° | 10.3° | 10.4° | 10.4° | 10.4° | 10.4° | 10.2° | 10.2° | 10° | 9.5° | 8.6° | 7.5° | 6.8° | 6.3° | 6.3° | 8.1° | 9° | 10° | 10.6° | 11° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 7% | 7% | 8% | 20% | 22% | 15% | 11% | 8% | 8% | 9% | 9% | 8% | 9% | 11% | 13% | 13% | 13% | 13% | 8% | 7% | 6% | 6% | 6% | 5% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.5 | 1.3 | 2.6 | 4 | 5.2 | 5.5 | 5.1 | 4.6 | 2.9 | 1.6 | 0.7 | 0.2 | 0 | 0 | 0 | 0 |
Weather in Portland tomorrow
The temperature tomorrow in Portland is expected to be typical for this time of year, with a forecast of 31 °F, closely aligning with the historical average for August 17th.
temperatures
31 °F
rain
0 mm
wind
14 km/h
UV
High
🌫️ Air quality, UV & pollen - Portland Live AQI, UV index and pollen levels. Air Quality →
Portland daylight overview ☀️
Tomorrow in Portland, The sun rises at 06:14 and sets at 20:15, giving a total daylight duration of 14 hours and 1 minutes.
Quick links
More Portland weather pages
What to wear tomorrow in Portland? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Portland forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather tomorrow in Portland - FAQ
What is the maximum temperature for tomorrow in Portland?
The maximum temperature for tomorrow in Portland is expected to be 31° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Portland? 🌧️
Yes, there is a 2% chance of rain in Portland tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Portland? 🌀
The wind in Portland is expected to blow at 14 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Portland tomorrow?
Given the forecast of 31 °F with a 2% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Portland tomorrow.
What is the sunrise and sunset time for Portland tomorrow?
The sun is expected to rise at 06:14 and set at 20:15 in Portland.
How accurate is the weather forecast Portland tomorrow? ✅
Portland weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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