Summit, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Summit, WA in one place.
Mostly sunny, with a high near 54. South southwest wind 2 to 7 mph.
Local Weather Overview
This forecast page for Summit, 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: Apr 14, 2026 3:35 PM PDT.
The active forecast window currently covers Apr 16 to Apr 20, 2026 for Summit, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 3:35 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit
Saturday looks like the warmest upcoming period in Summit at 63 degrees F.
Thursday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Thursday at about 2 to 7 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 3:35 PM 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
Partly cloudy, with a low around 37.
Partly sunny, with a high near 56.
Mostly cloudy, with a low around 38.
A chance of rain after 5pm. Mostly cloudy, with a high near 63.
Rain likely. Mostly cloudy, with a low around 45.
Rain likely. Mostly cloudy, with a high near 61.
A chance of rain. Mostly cloudy, with a low around 43.
A chance of rain. Partly sunny, with a high near 60.
A chance of rain. Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Mostly Sunny
|
54°F |
2 to 7 mph
SSW
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
37°F |
2 to 7 mph
SSW
|
|
Friday
Apr 17
|
Partly Sunny
|
56°F |
2 mph
WSW
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
38°F |
2 mph
ENE
|
|
Saturday
Apr 18
|
Mostly Cloudy then Chance Light Rain
|
63°F |
3 mph
W
|
|
Saturday Night
Apr 18
|
Light Rain Likely
|
45°F |
3 mph
SE
|
|
Sunday
Apr 19
|
Light Rain Likely
|
61°F |
2 to 6 mph
SSW
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
43°F |
5 mph
SW
|
|
Monday
Apr 20
|
Chance Light Rain
|
60°F |
2 to 6 mph
NW
|
|
Monday Night
Apr 20
|
Chance Light Rain
|
43°F |
2 to 6 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summit.