Black Diamond, WA Weather Forecast
Local 7-day forecast
Slight Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Black Diamond, WA in one place.
A slight chance of rain between 11am and 5pm. Mostly cloudy, with a high near 73. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Black Diamond, 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 1, 2026 10:39 AM PDT.
The active forecast window currently covers Jun 3 to Jun 7, 2026 for Black Diamond, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 10:39 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Black Diamond
Wednesday looks like the warmest upcoming period in Black Diamond at 73 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday at about 3 to 7 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 10:39 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 slight chance of rain between 11pm and 5am. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Partly sunny, with a high near 69.
Partly cloudy, with a low around 47.
A chance of rain after 5pm. Partly sunny, with a high near 65.
A chance of rain. Mostly cloudy, with a low around 46.
Rain. Mostly cloudy, with a high near 60.
Rain likely. Mostly cloudy, with a low around 44.
A chance of rain. Partly sunny, with a high near 66.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Slight Chance Light Rain
|
73°F |
5 mph
SW
|
|
Wednesday Night
Jun 3
|
Slight Chance Light Rain
|
50°F |
1 to 5 mph
SW
|
|
Thursday
Jun 4
|
Partly Sunny
|
69°F |
3 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
47°F |
5 mph
SW
|
|
Friday
Jun 5
|
Partly Sunny then Chance Light Rain
|
65°F |
2 to 6 mph
SW
|
|
Friday Night
Jun 5
|
Chance Light Rain
|
46°F |
6 mph
SW
|
|
Saturday
Jun 6
|
Light Rain
|
60°F |
3 to 7 mph
SSW
|
|
Saturday Night
Jun 6
|
Light Rain Likely
|
44°F |
2 to 6 mph
SSW
|
|
Sunday
Jun 7
|
Chance Light Rain
|
66°F |
3 mph
SW
|
|
Sunday Night
Jun 7
|
Slight Chance Light Rain then Mostly Cloudy
|
46°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Black Diamond.