Sumner, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumner, WA in one place.
Sunny, with a high near 87. West wind 1 to 5 mph.
Local Weather Overview
This forecast page for Sumner, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 23, 2026 3:16 AM PDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Sumner, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 3:16 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner
Friday looks like the warmest upcoming period in Sumner at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Saturday at about 2 to 9 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 3:16 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 58. West southwest wind 2 to 6 mph.
A slight chance of rain after 5pm. Partly sunny, with a high near 77. Chance of precipitation is 20%.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 57.
A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 78.
Mostly cloudy, with a low around 57.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Sunny
|
87°F |
1 to 5 mph
W
|
|
Friday Night
Jul 24
|
Mostly Clear
|
58°F |
2 to 6 mph
WSW
|
|
Saturday
Jul 25
|
Partly Sunny then Slight Chance Light Rain
|
77°F |
2 to 9 mph
SW
|
|
Saturday Night
Jul 25
|
Slight Chance Light Rain then Mostly Cloudy
|
57°F |
1 to 9 mph
SW
|
|
Sunday
Jul 26
|
Slight Chance Light Rain
|
78°F |
1 to 7 mph
WSW
|
|
Sunday Night
Jul 26
|
Mostly Cloudy
|
57°F |
1 to 7 mph
SW
|
|
Monday
Jul 27
|
Mostly Sunny
|
78°F |
1 to 6 mph
WSW
|
|
Monday Night
Jul 27
|
Partly Cloudy
|
56°F |
1 to 6 mph
SW
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
78°F |
1 to 5 mph
WSW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
56°F |
0 to 5 mph
W
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
80°F |
0 to 3 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumner.
