Weather forecast for tomorrowGrand Mound, WA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 63°F
- 43°F
AM Fog / PM Sun
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 2mphSSW 204°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Tomorrow, morning fog and overcast skies will clear, bringing afternoon warmth and sunshine.
Temperatures will oscillate between a comfortable 62.6°F at their highest and a chilly 42.8°F at their lowest.
The day’s top temperature is expected to be relatively higher than the typical October high of 58.6°F.
Sunrise will be at 7:36 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 42min.
Temperatures will oscillate between a comfortable 62.6°F at their highest and a chilly 42.8°F at their lowest.
The day’s top temperature is expected to be relatively higher than the typical October high of 58.6°F.
Sunrise will be at 7:36 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 42min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 45°C.
Coldest period: 3 am - 6 am 45°C.
Chance of precipitation
Highest chance: 9 am 19%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphNNE 21°
- Humidity: 85%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphNNE 17°
- Humidity: 88%
- Pressure: 29.91"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:45°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphENE 58°
- Humidity: 91%
- Pressure: 29.91"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
- 6 am
- 45°F
- Feels like:45°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphS 173°
- Humidity: 90%
- Pressure: 29.91"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
Sunrise: 7:36 am
- 8 am
- 43°F
- Feels like:43°F
Foggy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 1mphS 172°
- Humidity: 96%
- Pressure: 29.94"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphS 179°
- Humidity: 86%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 188°
- Humidity: 65%
- Pressure: 29.94"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 258°
- Humidity: 50%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNW 330°
- Humidity: 47%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNE 20°
- Humidity: 61%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 50°F
- Feels like:50°F
Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphN 352°
- Humidity: 81%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNNE 23°
- Humidity: 87%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dull and occasionally low-visibility weather is expected.
The temperature will vary between a minimum of 42.8°F and a maximum of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
The high will be slightly warmer than the normal maximum of 58.6°F for October. The minimum temperature will be also in line with October's average low of 42.1°F.
The temperature will vary between a minimum of 42.8°F and a maximum of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
The high will be slightly warmer than the normal maximum of 58.6°F for October. The minimum temperature will be also in line with October's average low of 42.1°F.
Updated: Oct 18, 2026 @ 10:23:33 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
Tomorrow, in Grand Mound, patchy fog is expected early, followed by a bright and sunny afternoon.
Tomorrow, the highest temperature in Grand Mound will be 62.6°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.6°F in October. The lowest temperature will be in line with the average low of 42.1°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.6°F in October. The lowest temperature will be in line with the average low of 42.1°F.
On Monday, in Grand Mound, sunrise will be at 7:36 am and sunset at 6:17 pm (PDT).
In Grand Mound, Washington, the length of the day tomorrow will be 10h and 42min.
