Weather forecast for 10 daysMountain Brook, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 39°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphE 88°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:26 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Tomorrow, mostly sunny weather is likely, with high visibility.
Temperatures are expected to peak at a comfortable 62.6°F and drop to a minimum of a wintry 39.2°F.
The expected high of 62.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:26 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 48min.
Temperatures are expected to peak at a comfortable 62.6°F and drop to a minimum of a wintry 39.2°F.
The expected high of 62.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:26 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 48min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Wednesday 64°C.
Coldest day: Sunday 25.10. 52°C.
Coldest day: Sunday 25.10. 52°C.
Chance of precipitation
Highest chance: Sunday 25.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNNW 336°
- Humidity: 75%
- UV index: 0
- Sunrise: 7:25 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 39°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphE 88°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:26 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 37°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphW 271°
- Humidity: 52%
- UV index: 2
- Sunrise: 7:28 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 36°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphE 84°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:29 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 37°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphENE 63°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:30 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphW 280°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:32 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 32°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphW 273°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0.04"
- Wind: 4mphNNW 341°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:35 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 4mphNNW 341°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 3mphWNW 296°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:37 am PDT
- Sunset: 6:01 pm PDT
- details ▼
Over the next ten days, conditions will reflect that a combination of gloomy and clear weather is predicted.
With a probability of 21%, rainfall is expected only on next Saturday. The precipitation will be minimal at 0.04".
Noticeable swings in temperature are expected over the next several days. The temperature is expected to swing from 51.8°F up to 64.4°F, while the lowest temperature will be between 32°F and 39.2°F.
With a maximum temperature of 64.4°F, Tuesday and Wednesday will be the warmest days in Mountain Brook; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 51.8°F.
With a probability of 21%, rainfall is expected only on next Saturday. The precipitation will be minimal at 0.04".
Noticeable swings in temperature are expected over the next several days. The temperature is expected to swing from 51.8°F up to 64.4°F, while the lowest temperature will be between 32°F and 39.2°F.
With a maximum temperature of 64.4°F, Tuesday and Wednesday will be the warmest days in Mountain Brook; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 51.8°F.
Updated: Oct 18, 2026 @ 01:02:08 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, a bright and mostly cloud-free sky is in store.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The highest temperature will be relatively higher than the average maximum of 54.7°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be relatively higher than the average maximum of 54.7°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Mountain Brook, sunrise will be at 7:26 am and sunset at 6:14 pm (PDT).
In Mountain Brook, Washington, tomorrow, there will be 10h and 48min of daylight.
