Black Diamond, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Hydrologic Outlook

Current Conditions From Nearby Local Station

44°F
Feels Like 44°F  
Humidity 98% Dew Point 43°F Wind SW 1 MPH Gusts 1 Barometer N/A
Report from a MADIS/MESONET weather station 0.4 mi. NE of central Black Diamond
at

Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Rain, Low 43F
90%
 
43
FriDec 5
Fri Dec 5: Rain, High 53F, Low 44F
90%
53
44
SatDec 6
Sat Dec 6: Rain, High 49F, Low 43F
90%
49
43
SunDec 7
Sun Dec 7: Rain, High 52F, Low 43F
100%
52
43
MonDec 8
Mon Dec 8: Rain, High 54F, Low 45F
50%
54
45
TueDec 9
Tue Dec 9: Rain, High 53F, Low 44F
50%
53
44
WedDec 10
Wed Dec 10: Rain, High 53F, Low 44F
50%
53
44

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 49°F to 54°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 7°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

Thursday Dec 4

Rain

Night: Rain. Low around 43. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Dec 5

Rain

Day: Rain, mainly before 3pm. High near 53. Southwest wind 7 to 13 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.

Rain

Night: Rain. Low around 44. Southwest wind around 15 mph, with gusts as high as 31 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. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: Rain. Low around 43. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Dec 7

Rain

Day: Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Rain

Night: Rain, mainly before 10pm. Low around 43. Chance of precipitation is 80%.

Monday Dec 8

Rain

Day: Rain, mainly after 10am. Cloudy, with a high near 54.

Rain

Night: Rain. Cloudy, with a low around 45.

Tuesday Dec 9

Rain

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

Rain

Night: Rain. Cloudy, with a low around 44.

Wednesday Dec 10

Rain

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

Rain

Night: Rain. Mostly cloudy, with a low around 44.

Thursday Dec 11

Rain Likely

Day: Rain likely. Mostly 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.

How We Provide Better Local Weather

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.