Weather forecast for 10 daysTrentwood, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNE 51°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 5:55 pm PDT
- details ▼
On Sunday, October 18, sunny skies are in store, with excellent visibility.
The temperature will vary between a maximum of a breezy 64.4°F and a minimum of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 72.5°F.
Sunrise will be at 7:12 am and sunset at 5:55 pm; the daylight will last for 10h and 43min.
The temperature will vary between a maximum of a breezy 64.4°F and a minimum of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 72.5°F.
Sunrise will be at 7:12 am and sunset at 5:55 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 66°C.
Coldest day: Tuesday 27.10. 48°C.
Coldest day: Tuesday 27.10. 48°C.
Chance of precipitation
Highest chance: Sunday 25.10. 37%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNE 51°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 39°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphN 10°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:14 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 39°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNNE 16°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:15 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphENE 69°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:17 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 41°F
AM Showers
- Precip. probability: 35%
- Precipitation: 0.12"
- Wind: 4mphSSE 163°
- Humidity: 67%
- UV index: 2
- Sunrise: 7:18 am PDT
- Sunset: 5:47 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 9mphSW 229°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:20 am PDT
- Sunset: 5:46 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 34°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0.12"
- Wind: 6mphSE 126°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:21 am PDT
- Sunset: 5:44 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 34°F
AM Showers
- Precip. probability: 37%
- Precipitation: 0.12"
- Wind: 7mphE 83°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:23 am PDT
- Sunset: 5:42 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 50°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphE 93°
- Humidity: 72%
- UV index: 2
- Sunrise: 7:24 am PDT
- Sunset: 5:40 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 48°F
- 32°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphSSW 193°
- Humidity: 77%
- UV index: 2
- Sunrise: 7:26 am PDT
- Sunset: 5:39 pm PDT
- details ▼
Primarily cloudy and occasionally showery and sun-filled weather is forecasted.
With minimal precipitation of 0.12", rainfall is anticipated on Thursday, Saturday and next Sunday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 48.2°F and 66.2°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
With a maximum temperature of 66.2°F, Tuesday and Wednesday will be the warmest days in Trentwood; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 48.2°F.
With minimal precipitation of 0.12", rainfall is anticipated on Thursday, Saturday and next Sunday.
Noticeable swings in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 48.2°F and 66.2°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
With a maximum temperature of 66.2°F, Tuesday and Wednesday will be the warmest days in Trentwood; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 48.2°F.
Updated: Oct 18, 2026 @ 11:53:51 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, the outlook remains bright and sunny.
Today, the maximum temperature in Trentwood, Washington, will be 64.4°F, while the minimum temperature will be 41°F.
Today, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Trentwood, sunrise will be at 7:12 am and sunset at 5:55 pm (PDT).
In Trentwood, the length of the day today will be 10h and 43min.
