Portland (ME)
Tomorrow
Tomorrow weather in Portland
Thursday, June 18th, 2026
18°
Moderate rain
The weather tomorrow in Portland will be similar like today, with max temperatures of 18°.
The rain will visit again tomorrow in Portland and the expected precipitation are 17 mm.
The wind tomorrow will get stronger and reach 38 km/h.
18° / 15°
Temp
89%
Rain
38 km/h
Wind
93%
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 | 04:59 AM | 05:00 AM | 06:00 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 | 08:25 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | |  |  |  |  |  | | | | | | | | | | | | |  |  | |  | Next |
| temperatures | 15.9° | 15.8° | 15.6° | 15.6° | 15.8° | Sunrise | 15.8° | 15.9° | 15.6° | 15.3° | 15.1° | 14.9° | 14.9° | 15° | 15.2° | 15.6° | 16.4° | 17.1° | 17.8° | 18.6° | 18.9° | 18.9° | Sunset | 18.7° | 18.4° | 18° | |
| wind speed | 15 km/h | 12 km/h | 13 km/h | 12 km/h | 13 km/h | 14 km/h | 15 km/h | 17 km/h | 19 km/h | 23 km/h | 30 km/h | 31 km/h | 34 km/h | 33 km/h | 32 km/h | 37 km/h | 39 km/h | 35 km/h | 26 km/h | 23 km/h | 18 km/h | 16 km/h | 18 km/h | 19 km/h | |||
| wind degree | 171° | 166° | 174° | 171° | 170° | 168° | 165° | 167° | 157° | 148° | 148° | 139° | 140° | 149° | 162° | 163° | 183° | 191° | 198° | 207° | 216° | 226° | 238° | 244° | |||
| wind direction | S | SSE | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE | SE | SE | SSE | SSE | SSE | S | SSW | SSW | SSW | SW | SW | WSW | WSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 1.5 mm | 1.8 mm | 3.8 mm | 0.5 mm | 0.1 mm | 0.2 mm | 0.8 mm | 5.1 mm | 1.4 mm | 1.1 mm | 0.5 mm | 0.8 mm | 0 mm | 0.1 mm | 0.1 mm | 0 mm | |||
| chance for rain | 15% | 16% | 15% | 17% | 14% | 16% | 21% | 32% | 80% | 82% | 89% | 60% | 31% | 38% | 70% | 91% | 80% | 78% | 63% | 70% | 32% | 32% | 37% | 14% | |||
| 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 | 84% | 85% | 86% | 87% | 86% | 84% | 87% | 89% | 96% | 98% | 98% | 96% | 94% | 92% | 94% | 96% | 97% | 97% | 98% | 97% | 96% | 96% | 95% | 92% | |||
| dew point | 13.1° | 13.2° | 13.3° | 13.2° | 13.3° | 13.3° | 13.7° | 14.2° | 14.8° | 14.8° | 14.5° | 14.1° | 14° | 13.9° | 14.5° | 15.5° | 16.7° | 17.5° | 18.2° | 18.9° | 18.6° | 18.3° | 17.7° | 16.8° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 9 km | 9 km | 7 km | 5 km | 10 km | 5 km | 9 km | 7 km | 10 km | 10 km | 10 km | 9 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 46% | 47% | 35% | 47% | 32% | 47% | 71% | 100% | 100% | 100% | 100% | 74% | 67% | 59% | 100% | 100% | 100% | 100% | 87% | 84% | 86% | 77% | 83% | 6% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.3 | 0.2 | 0.4 | 0.4 | 0.4 | 1.4 | 2.2 | 1.4 | 1.5 | 1.2 | 0.5 | 0.3 | 0.3 | 0 | 0 | 0 | 0 |
Weather in Portland tomorrow
The weather in Portland tomorrow is expected to be much cooler than usual, with a forecast temperature of 18 °F, compared to an average of 23.5 °F for June 18th in recent years.
temperatures
18 °F
rain
17.7 mm
wind
38 km/h
UV
Low
Portland daylight overview ☀️
Tomorrow in Portland, The sun rises at 04:59 and sets at 20:25, giving a total daylight duration of 15 hours and 26 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.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
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 18° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Portland? 🌧️
Yes, there is a 89% 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 38 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Portland tomorrow?
Given the forecast of 18 °F with a 89% 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 04:59 and set at 20:25 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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