Black Diamond, WA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

40°F
Feels Like 40°F  
Humidity 94% Dew Point 39°F Wind NE 1 MPH Gusts 2 Barometer N/A
Report from a MADIS/MESONET weather station 0.4 mi. NE of central Black Diamond
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Point Forecast at a Glance

WedDec 3
Wed Dec 3: Rain Likely, Low 37F
60%
 
37
ThuDec 4
Thu Dec 4: Rain, High 46F, Low 43F
100%
46
43
FriDec 5
Fri Dec 5: Rain, High 53F, Low 44F
100%
53
44
SatDec 6
Sat Dec 6: Rain, High 49F, Low 44F
90%
49
44
SunDec 7
Sun Dec 7: Rain, High 53F, Low 45F
50%
53
45
MonDec 8
Mon Dec 8: Rain, High 54F, Low 46F
50%
54
46
TueDec 9
Tue Dec 9: Rain, High 53F, Low 43F
50%
53
43

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 46°F to 54°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for December. Normal highs for this period are around 45°F with lows around 34°F.

This Date in Weather History

1982 - The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record.

More on this and other weather history

Black Diamond, WA 7 Day Weather Forecast Details

Wednesday Dec 3

Rain Likely

Night: Rain likely, mainly after 5am. Cloudy, with a low around 37. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Dec 4

Rain

Day: Rain, mainly before 3pm. High near 46. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Rain

Night: Rain. Low around 43. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Dec 5

Rain

Day: Rain. High near 53. Southwest wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Rain

Night: Rain. Low around 44. Southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Dec 6

Rain

Day: Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: Rain. Low around 44. Chance of precipitation is 90%.

Sunday Dec 7

Rain

Day: Rain. Cloudy, with a high near 53.

Rain

Night: Rain. Mostly cloudy, with a low around 45.

Monday Dec 8

Rain

Day: Rain. Cloudy, with a high near 54.

Rain

Night: Rain. Cloudy, with a low around 46.

Tuesday Dec 9

Rain

Day: Rain. Cloudy, with a high near 53.

Rain

Night: Rain. Cloudy, with a low around 43.

Wednesday Dec 10

Rain

Day: Rain. Cloudy, with a high near 52.


About Black Diamond, WA

Black Diamond is a city in King County, Washington, United States. The population was 4,697 at the 2020 census. In 2023, with a 40.6% growth rate, Black Diamond was the fastest growing small city in King County.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.