Weather forecast for 10 daysTumtum, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 4mphENE 65°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:14 am PDT
- Sunset: 5:56 pm PDT
- details ▼
On Sunday, in Tumtum, clear skies with only minor cloud interruptions are in the outlook.
The temperature is expected to oscillate between a maximum of an enjoyable 64.4°F and a minimum of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 72.7°F.
Sunrise will be at 7:14 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 42min.
The temperature is expected to oscillate between a maximum of an enjoyable 64.4°F and a minimum of an icy 41°F.
This October day will feature warmer weather, consistent with September's average of 72.7°F.
Sunrise will be at 7:14 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 42min.
10-day overview
Daily temperatures
Warmest day: Tuesday 68°C.
Coldest period: Saturday - Sunday 54°C.
Coldest period: Saturday - Sunday 54°C.
Chance of precipitation
Highest chance: Sunday 25.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 30°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphN 0°
- Humidity: 66%
- UV index: 0
- Sunrise: 7:13 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 4mphENE 65°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:14 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 41°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNNE 25°
- Humidity: 50%
- UV index: 2
- Sunrise: 7:16 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 37°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphN 8°
- Humidity: 50%
- UV index: 2
- Sunrise: 7:17 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphE 93°
- Humidity: 55%
- UV index: 2
- Sunrise: 7:19 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 43°F
Mostly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 4mphESE 122°
- Humidity: 63%
- UV index: 2
- Sunrise: 7:20 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 32°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphWSW 256°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:22 am PDT
- Sunset: 5:47 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 36°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphE 79°
- Humidity: 60%
- UV index: 2
- Sunrise: 7:23 am PDT
- Sunset: 5:45 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphNE 50°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:25 am PDT
- Sunset: 5:44 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 36°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphENE 64°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:26 am PDT
- Sunset: 5:42 pm PDT
- details ▼
Ten-day trends indicate that a combination of cloud-filled and sunny weather is forecasted.
Rain is not anticipated in Tumtum in the upcoming period.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 53.6°F and 68°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 30.2°F to 42.8°F.
The warmest day will be Tuesday, with a maximum of 68°F; with a maximum temperature of 53.6°F, next Saturday and Sunday will be the coldest days in Tumtum, Washington.
Rain is not anticipated in Tumtum in the upcoming period.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 53.6°F and 68°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 30.2°F to 42.8°F.
The warmest day will be Tuesday, with a maximum of 68°F; with a maximum temperature of 53.6°F, next Saturday and Sunday will be the coldest days in Tumtum, Washington.
Updated: Oct 18, 2026 @ 03:07:54 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 crisp, sunny atmosphere is likely.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 55.8°F in October. Tomorrow, the lowest temperature will be also a few degrees higher than the average low temperature.
The maximum temperature will be a few degrees higher than the average highest temperature of 55.8°F in October. Tomorrow, the lowest temperature will be also a few degrees higher than the average low temperature.
On Sunday, in Tumtum, sunrise will be at 7:14 am and sunset at 5:56 pm (PDT).
In Tumtum, tomorrow, there will be 10h and 42min of daylight.





