10-Day Weather Forecast for SeaTac, Washington 98158 - The Weather Channel | weather.com
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10 Day Weather-

As of 4:09 am PDT
alertLevel3

Small Craft Advisory

Today

Showers AM Light Rain
57°/48°
Rain drop 66%
Subtract

Day

57°
Showers
Rain drop
66%
S 11 mph

Cloudy with light rain this morning. High 57F. Winds S at 10 to 15 mph. Chance of rain 70%.

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  • Humidity
    Humidity84%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:16 pm

Night

48°
Rain
Rain drop
70%
SSW 12 mph

Cloudy with rain developing after midnight. Low 48F. Winds SSW at 10 to 15 mph. Chance of rain 70%.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:29 am
  • Moonset
    Moonset4:47 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Rain Rain
53°/50°
Rain drop 84%
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Day

53°
Rain
Rain drop
84%
S 12 mph

Rain showers in the morning will evolve into a more steady rain in the afternoon. High 53F. Winds S at 10 to 15 mph. Chance of rain 80%. Locally heavy rainfall possible.

  • Humidity
    Humidity88%
  • UV index
    UV Index1 of 11
  • Sunrise
    Sunrise7:17 am
  • Sunset
    Sunset7:17 pm

Night

50°
Rain
Rain drop
90%
S 12 mph

Periods of rain. Low near 50F. Winds S at 10 to 15 mph. Chance of rain 90%. Rainfall around a half an inch. Locally heavy rainfall possible.

  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:47 am
  • Moonset
    Moonset6:03 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Showers Light Rain
55°/50°
Rain drop 81%
Add

Day

55°
Showers
Rain drop
81%
SSW 12 mph

Cloudy with occasional light rain. High near 55F. Winds SSW at 10 to 15 mph. Chance of rain 80%.

  • Humidity
    Humidity90%
  • UV index
    UV Index1 of 11
  • Sunrise
    Sunrise7:15 am
  • Sunset
    Sunset7:19 pm

Night

50°
Showers
Rain drop
59%
S 9 mph

Cloudy with showers. Low around 50F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity92%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:03 am
  • Moonset
    Moonset7:21 pm
  • Moon Phase - Day 0 New Moon

Thu 19

Showers Showers
58°/52°
Rain drop 69%
Add

Day

58°
Showers
Rain drop
69%
SSW 11 mph

Rain showers in the morning becoming a steady light rain in the afternoon. High 58F. Winds SSW at 10 to 15 mph. Chance of rain 70%.

  • Humidity
    Humidity83%
  • UV index
    UV Index1 of 11
  • Sunrise
    Sunrise7:13 am
  • Sunset
    Sunset7:20 pm

Night

52°
Showers
Rain drop
77%
SSW 10 mph

Cloudy. Some light rain is likely. Low 52F. Winds SSW at 10 to 15 mph. Chance of rain 80%.

  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:19 am
  • Moonset
    Moonset8:41 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Showers Light Rain
58°/43°
Rain drop 69%
Add

Day

58°
Showers
Rain drop
69%
SSW 12 mph

Occasional light rain. High 58F. Winds SSW at 10 to 15 mph. Chance of rain 70%.

  • Humidity
    Humidity80%
  • UV index
    UV Index1 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:22 pm

Night

43°
Showers
Rain drop
35%
SSE 9 mph

Overcast with showers at times. Low 43F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:38 am
  • Moonset
    Moonset10:03 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Scattered Showers Day AM Showers
54°/40°
Rain drop 40%
Add

Day

54°
Scattered Showers Day
Rain drop
40%
SSW 9 mph

Showers in the morning, then partly cloudy in the afternoon. High 54F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity66%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:23 pm

Night

40°
Scattered Showers Night
Rain drop
32%
S 9 mph

A shower or two around the area in the evening, then partly cloudy overnight. Low near 40F. Winds S at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:59 am
  • Moonset
    Moonset11:28 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
52°/38°
Rain drop 24%
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Day

52°
Partly Cloudy Day
Rain drop
24%
S 9 mph

Intervals of clouds and sunshine. High 52F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:07 am
  • Sunset
    Sunset7:24 pm

Night

38°
Mostly Cloudy Night
Mixed precipitation
20%
ENE 7 mph

Considerable cloudiness. Low 38F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:27 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
53°/38°
Rain drop 24%
Add

Day

53°
Partly Cloudy Day
Rain drop
24%
SSW 10 mph

Partly to mostly cloudy. High 53F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:26 pm

Night

38°
Scattered Showers Night
Rain drop
38%
S 9 mph

Partly cloudy skies early followed by increasing clouds with showers developing later at night. Low 38F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:03 am
  • Moonset
    Moonset12:53 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Showers Showers
50°/35°
Rain drop 49%
Add

Day

50°
Showers
Rain drop
49%
SSW 12 mph

Considerable cloudiness with occasional rain showers. High around 50F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity67%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:27 pm

Night

35°
Showers
Rain drop
47%
SSW 12 mph

Showers early becoming less numerous late. Low near 35F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:51 am
  • Moonset
    Moonset2:13 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
49°/35°
Rain drop 24%
Add

Day

49°
Partly Cloudy Day
Rain drop
24%
SW 10 mph

Sunshine and clouds mixed. High 49F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:29 pm

Night

35°
Partly Cloudy Night
Mixed precipitation
24%
ENE 9 mph

Partly cloudy early with increasing clouds overnight. Low around 35F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:55 am
  • Moonset
    Moonset3:19 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Scattered Showers Day PM Showers
51°/41°
Rain drop 33%
Add

Day

51°
Scattered Showers Day
Rain drop
33%
SE 9 mph

Mostly cloudy skies early. A few showers developing later in the day. High 51F. Winds SE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:30 pm

Night

41°
Showers
Rain drop
57%
S 11 mph

Overcast with rain showers at times. Low 41F. Winds S at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:10 pm
  • Moonset
    Moonset4:11 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Showers Showers
51°/42°
Rain drop 52%
Add

Day

51°
Showers
Rain drop
52%
SSW 12 mph

Considerable cloudiness with occasional rain showers. High 51F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:32 pm

Night

42°
Showers
Rain drop
59%
S 10 mph

Cloudy with showers. Low 42F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:29 pm
  • Moonset
    Moonset4:49 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Showers Showers
49°/38°
Rain drop 59%
Add

Day

49°
Showers
Rain drop
59%
S 11 mph

Cloudy with showers. High 49F. Winds S at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity75%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:33 pm

Night

38°
Showers
Rain drop
56%
S 10 mph

Considerable cloudiness with occasional rain showers. Low 38F. Winds S at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:49 pm
  • Moonset
    Moonset5:17 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Showers Showers
50°/38°
Rain drop 53%
Add

Day

50°
Showers
Rain drop
53%
SSW 11 mph

Cloudy with occasional rain showers. High around 50F. Winds SSW at 10 to 15 mph. Chance of rain 50%.

  • Humidity
    Humidity77%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:34 pm

Night

38°
Showers
Rain drop
59%
S 9 mph

Cloudy with showers. Low 38F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity93%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:07 pm
  • Moonset
    Moonset5:38 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Showers Showers
48°/37°
Rain drop 59%
Add

Day

48°
Showers
Rain drop
59%
SSW 11 mph

Overcast with rain showers at times. High 48F. Winds SSW at 10 to 15 mph. Chance of rain 60%.

  • Humidity
    Humidity83%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:36 pm

Night

37°
Showers
Rain drop
59%
S 9 mph

Considerable cloudiness with occasional rain showers. Low 37F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity94%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:21 pm
  • Moonset
    Moonset5:56 am
  • Moon Phase - Day 12 Waxing Gibbous
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