Sumner, WA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Sumner, WA in one place.
Rain before 11am, then showers and thunderstorms between 11am and 2pm, then rain. Cloudy, with a high near 63. Southwest wind 8 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Jun 8, 2026 2:03 AM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Sumner, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 2:03 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner
Sunday looks like the warmest upcoming period in Sumner at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 14 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 2:03 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
A chance of rain. Mostly cloudy, with a low around 47. Southwest wind 5 to 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 5pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Partly cloudy, with a low around 49.
Sunny, with a high near 74.
Mostly clear, with a low around 52.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Sunny, with a high near 85.
Mostly clear, with a low around 58.
Sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Showers And Thunderstorms
|
63°F |
8 to 14 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Light Rain
|
47°F |
5 to 13 mph
SW
|
|
Wednesday
Jun 10
|
Chance Light Rain
|
66°F |
5 mph
SW
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
49°F |
0 to 3 mph
WSW
|
|
Thursday
Jun 11
|
Sunny
|
74°F |
0 to 5 mph
NW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
52°F |
0 to 5 mph
WNW
|
|
Friday
Jun 12
|
Sunny
|
78°F |
0 to 6 mph
N
|
|
Friday Night
Jun 12
|
Mostly Clear
|
56°F |
0 to 6 mph
NNE
|
|
Saturday
Jun 13
|
Sunny
|
85°F |
0 to 6 mph
N
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
58°F |
0 to 6 mph
NNE
|
|
Sunday
Jun 14
|
Sunny
|
90°F |
0 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumner.