Detailed Weather Conditions



Location: Sammamish, WA
Longitude: 122º  2' 42''  Latitude: 47º 36' 48"
Elevation: 355 feet

Current Conditions

Almanac

Last Updated: 5:01pm on 3/11/10
Outside Temperature: 42.8°F
Today's High: 43.5°F at 2:48pm
Low: 36.7°F at 3:32am
Barometric Pressure: 29.82in.

Barometric Trend: Steady

Moonrise:   4:38am   Moonset:  2:13pm
Sunrise : 6:27am  Sunset: 6:06pm
Outdoor Temperature Barometer

Current: 42.8°F
High: 43.5°F at 2:48pm Low: 36.7°F at 3:32am
Average (1-hr): 42.6°F

Rates:
Current:
0.2°F/hr
High: 1.8°F/hr at 10:05am
Low: -2.6°F/hr at 2:45am

Current: 29.82in

Barometric Trend: Steady
High: 29.91in at 12:00am Low: 29.73 at 5:32am
Average (1-hr): 29.82in

Rates:
Current: 0.00in/hr
High: 0.04in/hr at 11:17am
Low: -0.06in/hr at 5:32am

Outdoor Humidity Wind Speed (1 Minute Avg.)

Current: 39%
High: 40% at 6:19am Low: 10% at 12:17am
Average (1-hr): 39%

Rates:
Current: -0%/hr
High: 14 %/hr at 3:05am
Low: -1%/hr at 2:53pm

Current: 0.0 mph
High: 15.1 mph at 1:04am Low: 0.0 mph at 12:00am
Average (1-hr): 0.1 mph

Rates:
Current: -0.1 mph/hr
High: 11.5 mph/hr at 1:04am
Low: -4.5 mph/hr at 2:13am

Dew Point Wind Direction

Current: 19.6°F
High: 20.8°F at 2:48pm Low: -10.7°F at 12:17am
Average (1-hr): 19.4°F

Rates:
Current: 0.1°F/hr
High: 12.8°F/hr at 3:05am
Low: -1.4°F/hr at 12:18am

Current: SE°
High: 156° at 1:02am Low: 31° at 1:01am
Average (1-hr): 135°

Rates:
Current: -4°/hr
High: 56°/hr at 1:02am
Low: -68°/hr at 1:01am

Heat Index Wind Gust

Current: 42.6°F
High: 43.4°F at 2:48pm Low: 35.9°F at 3:32am
Average (1-hr): 42.4°F

Rates:
Current: 0.2°F/hr
High:1.8°F/hr at 10:05am
Low: -2.3°F/hr at 2:32am

Current: 0.0 mph
High: 15.1 mph at 1:04am Low: 0.0 mph at 12:00am
Average (1-hr): 0.1 mph

Rates:
Current: -0.1 mph/hr
High: 11.5 mph/hr at
Low: -4.5 mph/hr at 2:13am

Wind Chill Rainfall

Current: 42.8°F
High: 43.5°F at 2:48pm Low: 30.6°F at 3:22am
Average (1-hr): 42.5°F

Rates:
Current: 0.3°F/hr
High: 2.9°F/hr at 1:12am
Low: -5.8°F/hr at 3:06am

Rainfall Today: 0.00in.

Rain Last 24 Hrs: 0.00 in.

Monthly Rainfall: 0.00 in.

Total Rainfall: 59.81 in.

Rates:

Current:  0.00in/hr

High: 0.00 in/hr at 12:00am

Low: 0.00 at 12:00am

Other Measurements & Data

Weather Station Forecast: Partly Cloudy

Heat Stress: ---

Comfort Level: Cool

Beaufort Scale: Calm

Cloud Base: 5807 ft

Pressure Altitude: 690

Air Density: -211

Virtual Temp: 43.5°F

Vapor Pressure: 0.11

Wind Run: 15

Wind Run Month: 68

Wind Run Year: 2024

Degrees Heating: 17.4°F

Degrees Cooling: 0.0°F

Degree Heating Month: 68.4°F

Degree Cooling Month: 0.0°F

Degree Heating Year: 1228.8°F

Degree Cooling Year: 0.0°F

Official Observations

Seattle-Tacoma International Airport (KSEA) Boeing Field (KBFI)

Last Updated: 03/11/2010 04:36pm
Temperature: 46.4°F
Dew Point: 42.8°F
Wind Chill: 46.4°F
Heat Index: 51.6°F
Relative Humidity: %
Pressure: 29.85in
Wind Direction: S
Wind Speed: 4.0 mph
Wind Gust: 4.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: 1.4 x 1000 ft
Sky Conditions: Overcast
Weather:

Last Updated: 03/11/2010 03:53pm
Temperature: 48.2°F
Dew Point: 42.8°F
Wind Chill: 41.0°F
Heat Index: 52.6°F
Relative Humidity: %
Pressure: 29.86in
Wind Direction: S
Wind Speed: 8.0 mph
Wind Gust: 8.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: --- x 1000 ft
Sky Conditions: Overcast
Weather: Light Rain

Everett  Airport (KPAE) Quillayute State Airport (KUIL)

Last Updated: 03/11/2010 04:11pm
Temperature: 44.6°F
Dew Point: 39.2°F
Wind Chill: 27.0°F
Heat Index: 49.0°F
Relative Humidity: %
Pressure: 29.83in
Wind Direction: S
Wind Speed: 17.0 mph
Wind Gust: 17.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: 1.7 x 1000 ft
Sky Conditions: Overcast
Weather:

Last Updated: 03/11/2010 04:44pm
Temperature: 33.8°F
Dew Point: 32.0°F
Wind Chill: 18.9°F
Heat Index: 39.9°F
Relative Humidity: %
Pressure: 29.78in
Wind Direction: SW
Wind Speed: 11.0 mph
Wind Gust: 23.0 mph

Rain/hr: 0.01
Visibility: 0.50 miles
Cloud Height: --- x 1000 ft
Sky Conditions: Overcast
Weather: Light Rain

 

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