South Union, WA Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for South Union, WA in one place.
Rain. Cloudy, with a high near 59. South wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for South Union, 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 9, 2026 7:25 AM PST.
The active forecast window currently covers Nov 10 to Nov 15, 2026 for South Union, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 7:25 AM PST
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in South Union
Veterans Day looks like the warmest upcoming period in South Union at 66 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Friday at about 13 to 18 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 7:25 AM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KLGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain likely before 4am. Cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a high near 66. South wind 2 to 12 mph.
Mostly cloudy, with a low around 49.
A chance of rain after 10am. Cloudy, with a high near 61.
Rain likely. Cloudy, with a low around 47.
Rain. Cloudy, with a high near 56.
Rain. Cloudy, with a low around 45.
Rain. Cloudy, with a high near 54.
Rain. Cloudy, with a low around 41.
Rain likely. Mostly cloudy, with a high near 53.
A chance of rain. Mostly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Light Rain
|
59°F |
6 to 13 mph
S
|
|
Tuesday Night
Nov 10
|
Light Rain Likely
|
52°F |
10 to 15 mph
S
|
|
Veterans Day
Nov 11
|
Mostly Cloudy
|
66°F |
2 to 12 mph
S
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
49°F |
2 mph
SSW
|
|
Thursday
Nov 12
|
Chance Light Rain
|
61°F |
3 mph
S
|
|
Thursday Night
Nov 12
|
Light Rain Likely
|
47°F |
2 to 13 mph
S
|
|
Friday
Nov 13
|
Light Rain
|
56°F |
13 to 18 mph
S
|
|
Friday Night
Nov 13
|
Light Rain
|
45°F |
12 to 16 mph
S
|
|
Saturday
Nov 14
|
Light Rain
|
54°F |
7 to 14 mph
S
|
|
Saturday Night
Nov 14
|
Light Rain
|
41°F |
7 to 12 mph
SSW
|
|
Sunday
Nov 15
|
Light Rain Likely
|
53°F |
6 to 13 mph
S
|
|
Sunday Night
Nov 15
|
Chance Light Rain
|
38°F |
6 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Union.