Happy Valley, WA Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Happy Valley, WA in one place.
A chance of rain. Mostly cloudy. High near 54, with temperatures falling to around 50 in the afternoon. Southeast wind 3 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Happy Valley, 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: Nov 5, 2026 5:00 PM PST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Happy Valley, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 5:00 PM PST
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Happy Valley
Saturday looks like the warmest upcoming period in Happy Valley at 58 degrees F.
Sunday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 3 to 13 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 5:00 PM PST
- Coverage
- 7 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 45. South southeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Rain. Mostly cloudy, with a high near 58. South southeast wind 2 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain. Cloudy, with a low around 44. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain before 4pm. Partly sunny, with a high near 51.
Mostly cloudy, with a low around 39.
A chance of rain after 10am. Mostly cloudy, with a high near 51.
Rain. Mostly cloudy, with a low around 45.
Rain. Mostly cloudy, with a high near 56.
Rain. Mostly cloudy, with a low around 48.
Rain likely. Mostly cloudy, with a high near 58.
Rain likely. Mostly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Chance Light Rain
|
54°F |
3 to 13 mph
SE
|
|
Friday Night
Nov 6
|
Chance Light Rain
|
45°F |
0 to 3 mph
SSE
|
|
Saturday
Nov 7
|
Rain
|
58°F |
2 to 10 mph
SSE
|
|
Saturday Night
Nov 7
|
Rain
|
44°F |
5 to 13 mph
S
|
|
Sunday
Nov 8
|
Chance Light Rain
|
51°F |
0 to 7 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
39°F |
1 mph
S
|
|
Monday
Nov 9
|
Chance Light Rain
|
51°F |
1 to 7 mph
SE
|
|
Monday Night
Nov 9
|
Light Rain
|
45°F |
7 to 10 mph
SSE
|
|
Tuesday
Nov 10
|
Light Rain
|
56°F |
5 to 12 mph
SSE
|
|
Tuesday Night
Nov 10
|
Light Rain
|
48°F |
5 to 8 mph
SSE
|
|
Veterans Day
Nov 11
|
Light Rain Likely
|
58°F |
6 to 10 mph
SE
|
|
Wednesday Night
Nov 11
|
Light Rain Likely
|
46°F |
2 to 6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Happy Valley.