Sumner, WA Weather Forecast
Local 7-day forecast
Patchy Frost then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumner, WA in one place.
Patchy frost and patchy fog before 11am. Partly sunny. High near 57, with temperatures falling to around 55 in the afternoon. North northwest wind 0 to 3 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: Oct 31, 2026 10:17 AM PDT.
The active forecast window currently covers Oct 31 to Nov 6, 2026 for Sumner, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 31 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 10:17 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner
Tuesday looks like the warmest upcoming period in Sumner at 60 degrees F.
Sunday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Today at about 0 to 3 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 10:17 AM PDT
- Coverage
- 8 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
Patchy fog after 11pm. Mostly cloudy. Low around 36, with temperatures rising to around 38 overnight. West northwest wind around 2 mph.
Patchy fog before 11am. Partly sunny. High near 56, with temperatures falling to around 51 in the afternoon. North wind around 1 mph.
Partly cloudy, with a low around 35. East southeast wind around 1 mph.
Mostly cloudy, with a high near 58. North wind around 1 mph.
Cloudy, with a low around 43.
Mostly cloudy, with a high near 60.
Mostly cloudy, with a low around 41.
A chance of rain after 10am. Mostly cloudy, with a high near 60.
A chance of rain. Mostly cloudy, with a low around 44.
A chance of rain. Mostly cloudy, with a high near 60.
Rain likely. Mostly cloudy, with a low around 44.
Rain likely. Mostly cloudy, with a high near 57.
A chance of rain. Mostly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 31
|
Patchy Frost then Partly Sunny
|
57°F |
0 to 3 mph
NNW
|
|
Tonight
Oct 31
|
Patchy Fog
|
36°F |
2 mph
WNW
|
|
Sunday
Nov 1
|
Patchy Fog then Partly Sunny
|
56°F |
1 mph
N
|
|
Sunday Night
Nov 1
|
Partly Cloudy
|
35°F |
1 mph
ESE
|
|
Monday
Nov 2
|
Mostly Cloudy
|
58°F |
1 mph
N
|
|
Monday Night
Nov 2
|
Cloudy
|
43°F |
1 mph
NNE
|
|
Tuesday
Nov 3
|
Mostly Cloudy
|
60°F |
1 mph
N
|
|
Tuesday Night
Nov 3
|
Mostly Cloudy
|
41°F |
1 mph
SE
|
|
Wednesday
Nov 4
|
Chance Light Rain
|
60°F |
1 mph
SE
|
|
Wednesday Night
Nov 4
|
Chance Light Rain
|
44°F |
1 mph
SSE
|
|
Thursday
Nov 5
|
Chance Light Rain
|
60°F |
1 mph
SSW
|
|
Thursday Night
Nov 5
|
Light Rain Likely
|
44°F |
2 mph
S
|
|
Friday
Nov 6
|
Light Rain Likely
|
57°F |
3 mph
SSW
|
|
Friday Night
Nov 6
|
Chance Light Rain
|
42°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumner.
