• Early AM

    Sep 21

    Lo 56°

    Clear

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      72°
    more
  • Today

    Sep 21

    84°Lo 59°

    Mostly sunny and warmer

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      83°
  • Mon

    Sep 22

    72°Lo 57°

    Partly sunny and not as warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      73°
    more
  • Tue

    Sep 23

    72°Lo 60°

    A couple of afternoon showers

    Excellent for lawn mowing
    • Hours of Precip
      3
    • Precip
      62%
    • Hi
      RealFeel
      71°
    more
  • Wed

    Sep 24

    70°Lo 57°

    Cloudy with rain tapering off

    Good for lawn mowing
    • Hours of Precip
      3.5
    • Precip
      76%
    • Hi
      RealFeel
      67°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 82° 84° 82° 80° 76° 72° 70° 68°
RealFeel® 82° 83° 80° 76° 72° 69° 66° 64°
Humidity 40% 39% 41% 45% 52% 58% 63% 68%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 5 WSW 5 WSW 5 WSW 5 SW 4 SW 3 SSW 3 S 3 S
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 55° 56° 57° 57° 57° 57° 57° 57°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 84° 69° 88° (1974) 70°
Low 59° 51° 39° (1960) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:52 AM with 12:18 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:26 AM with 14:00 of moolight, then sets at 5:26 PM

Top Story

Sammamish Weather Report

Warmer Weekend Ahead for Seattle

September 21, 2014; 2:28 AM ET

Well-above normal temperatures will highlight the weekend in Seattle, but a shift in temperature will occur at the start of the week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration