Extended 10-day forecasts, SeaTac (WA)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for SeaTac, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our July climate page to see if the current temperatures in SeaTac is typical for this time of year.
Today · Sunday 19 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 08:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 78% | N 3 m/s (6 knots) |
| 09:00 |
Mostly sunny
|
17°C (63°F) | 0 mm (0 in) | 71% | N 3 m/s (6 knots) |
| 10:00 |
Mostly sunny
|
19°C (66°F) | 0 mm (0 in) | 65% | N 3 m/s (6 knots) |
| 11:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 59% | N 3 m/s (6 knots) |
| 12:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 53% | N 3 m/s (6 knots) |
| 13:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 50% | N 4 m/s (8 knots) |
| 14:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 47% | N 4 m/s (8 knots) |
| 15:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 45% | N 4 m/s (8 knots) |
| 16:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 44% | N 5 m/s (10 knots) |
| 17:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 44% | N 5 m/s (10 knots) |
| 18:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 43% | N 4 m/s (8 knots) |
| 19:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 44% | N 4 m/s (8 knots) |
| 20:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 50% | N 4 m/s (8 knots) |
| 21:00 |
Mostly clear
|
20°C (68°F) | 0 mm (0 in) | 58% | N 3 m/s (6 knots) |
| 22:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 63% | N 3 m/s (6 knots) |
| 23:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 66% | N 3 m/s (6 knots) |
08:00
Clear skies
78% · N 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
09:00
Mostly sunny
71% · N 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
10:00
Mostly sunny
65% · N 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
11:00
Clear skies
59% · N 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
12:00
Clear skies
53% · N 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
13:00
Clear skies
50% · N 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
14:00
Clear skies
47% · N 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
15:00
Clear skies
45% · N 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
16:00
Clear skies
44% · N 5 m/s (10 knots)
25°C (77°F)
0 mm (0 in)
17:00
Clear skies
44% · N 5 m/s (10 knots)
24°C (75°F)
0 mm (0 in)
18:00
Clear skies
43% · N 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
19:00
Clear skies
44% · N 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
20:00
Clear skies
50% · N 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
21:00
Mostly clear
58% · N 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
22:00
Partly cloudy
63% · N 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
23:00
Partly cloudy
66% · N 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
Tomorrow · Monday 20 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 67% | N 4 m/s (8 knots) |
| 01:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 67% | N 3 m/s (6 knots) |
| 02:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 69% | N 3 m/s (6 knots) |
| 03:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 70% | N 3 m/s (6 knots) |
| 04:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 73% | NE 3 m/s (6 knots) |
| 05:00 |
Partly cloudy
|
15°C (59°F) | 0 mm (0 in) | 75% | NE 3 m/s (6 knots) |
| 06:00 |
Partly cloudy
|
15°C (59°F) | 0 mm (0 in) | 78% | NE 3 m/s (6 knots) |
| 07:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 77% | NE 3 m/s (6 knots) |
| 08:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 72% | N 3 m/s (6 knots) |
| 09:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 68% | N 3 m/s (6 knots) |
| 10:00 |
Partly cloudy
|
20°C (68°F) | 0 mm (0 in) | 64% | N 3 m/s (6 knots) |
| 11:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 58% | N 3 m/s (6 knots) |
| 12:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 53% | N 3 m/s (6 knots) |
| 13:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 48% | N 3 m/s (6 knots) |
| 14:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 44% | N 3 m/s (6 knots) |
| 15:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 41% | N 3 m/s (6 knots) |
| 16:00 |
Partly cloudy
|
28°C (82°F) | 0 mm (0 in) | 39% | N 3 m/s (6 knots) |
| 17:00 |
Mostly sunny
|
28°C (82°F) | 0 mm (0 in) | 38% | N 3 m/s (6 knots) |
| 18:00 |
Mostly sunny
|
28°C (82°F) | 0 mm (0 in) | 38% | N 3 m/s (6 knots) |
| 19:00 |
Mostly sunny
|
27°C (81°F) | 0 mm (0 in) | 39% | N 3 m/s (6 knots) |
| 20:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 43% | N 2 m/s (4 knots) |
| 21:00 |
Mostly clear
|
24°C (75°F) | 0 mm (0 in) | 49% | N 2 m/s (4 knots) |
| 22:00 |
Partly cloudy
|
22°C (72°F) | 0 mm (0 in) | 53% | N 2 m/s (4 knots) |
| 23:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 57% | N 2 m/s (4 knots) |
00:00
Partly cloudy
67% · N 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
01:00
Partly cloudy
67% · N 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
02:00
Partly cloudy
69% · N 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
03:00
Partly cloudy
70% · N 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
04:00
Partly cloudy
73% · NE 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
05:00
Partly cloudy
75% · NE 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
06:00
Partly cloudy
78% · NE 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
07:00
Partly cloudy
77% · NE 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
08:00
Partly cloudy
72% · N 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
09:00
Partly cloudy
68% · N 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
10:00
Partly cloudy
64% · N 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
11:00
Partly cloudy
58% · N 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
12:00
Partly cloudy
53% · N 3 m/s (6 knots)
23°C (73°F)
0 mm (0 in)
13:00
Partly cloudy
48% · N 3 m/s (6 knots)
25°C (77°F)
0 mm (0 in)
14:00
Partly cloudy
44% · N 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
15:00
Partly cloudy
41% · N 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
16:00
Partly cloudy
39% · N 3 m/s (6 knots)
28°C (82°F)
0 mm (0 in)
17:00
Mostly sunny
38% · N 3 m/s (6 knots)
28°C (82°F)
0 mm (0 in)
18:00
Mostly sunny
38% · N 3 m/s (6 knots)
28°C (82°F)
0 mm (0 in)
19:00
Mostly sunny
39% · N 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
20:00
Mostly sunny
43% · N 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
21:00
Mostly clear
49% · N 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
22:00
Partly cloudy
53% · N 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
23:00
Partly cloudy
57% · N 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Tuesday
21 Jul
21°C (70°F)
0 mm (0 in)
Partly cloudy
57% · N 2 m/s (4 knots)
17°C (63°F)
0 mm (0 in)
Partly cloudy
90% · N 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
Partly cloudy
50% · N 2 m/s (4 knots)
33°C (91°F)
0 mm (0 in)
Mostly clear
25% · N 3 m/s (6 knots)
Tue
21 Jul
night
21°C (70°F)
0 mm (0 in)
Partly cloudy
57%
2 m/s (4 knots)
morning
17°C (63°F)
0 mm (0 in)
Partly cloudy
90%
1 m/s (2 knots)
afternoon
26°C (79°F)
0 mm (0 in)
Partly cloudy
50%
2 m/s (4 knots)
evening
33°C (91°F)
0 mm (0 in)
Mostly clear
25%
3 m/s (6 knots)
Wednesday
22 Jul
25°C (77°F)
0 mm (0 in)
Clear skies
46% · N 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
Clear skies
79% · NE 1 m/s (2 knots)
28°C (82°F)
0 mm (0 in)
Clear skies
40% · N 2 m/s (4 knots)
33°C (91°F)
0 mm (0 in)
Clear skies
27% · N 3 m/s (6 knots)
Wed
22 Jul
night
25°C (77°F)
0 mm (0 in)
Clear skies
46%
3 m/s (6 knots)
morning
19°C (66°F)
0 mm (0 in)
Clear skies
79%
1 m/s (2 knots)
afternoon
28°C (82°F)
0 mm (0 in)
Clear skies
40%
2 m/s (4 knots)
evening
33°C (91°F)
0 mm (0 in)
Clear skies
27%
3 m/s (6 knots)
Thursday
23 Jul
25°C (77°F)
0 mm (0 in)
Partly cloudy
53% · N 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
72% · NE 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
Partly cloudy
51% · SW 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Mostly clear
45% · SW 5 m/s (10 knots)
Thu
23 Jul
night
25°C (77°F)
0 mm (0 in)
Partly cloudy
53%
3 m/s (6 knots)
morning
21°C (70°F)
0 mm (0 in)
Cloudy
72%
1 m/s (2 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Partly cloudy
51%
3 m/s (6 knots)
evening
27°C (81°F)
0 mm (0 in)
Mostly clear
45%
5 m/s (10 knots)
Friday
24 Jul
18°C (64°F)
0 mm (0 in)
Clear skies
74% · SW 4 m/s (8 knots)
17°C (63°F)
0 mm (0 in)
Cloudy
85% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
64% · SW 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Mostly clear
39% · SW 4 m/s (8 knots)
Fri
24 Jul
night
18°C (64°F)
0 mm (0 in)
Clear skies
74%
4 m/s (8 knots)
morning
17°C (63°F)
0 mm (0 in)
Cloudy
85%
2 m/s (4 knots)
afternoon
21°C (70°F)
0 mm (0 in)
Cloudy
64%
3 m/s (6 knots)
evening
27°C (81°F)
0 mm (0 in)
Mostly clear
39%
4 m/s (8 knots)
Saturday
25 Jul
19°C (66°F)
0.1 mm (0 in)
Cloudy
70% · SW 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
Cloudy
79% · SW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
50% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
Partly cloudy
47% · SW 4 m/s (8 knots)
Sat
25 Jul
night
19°C (66°F)
0.1 mm (0 in)
Cloudy
70%
3 m/s (6 knots)
morning
16°C (61°F)
0 mm (0 in)
Cloudy
79%
4 m/s (8 knots)
afternoon
21°C (70°F)
0 mm (0 in)
Cloudy
50%
5 m/s (10 knots)
evening
23°C (73°F)
0 mm (0 in)
Partly cloudy
47%
4 m/s (8 knots)
Sunday
26 Jul
18°C (64°F)
0 mm (0 in)
Cloudy
73% · SW 3 m/s (6 knots)
16°C (61°F)
0.2 mm (0.01 in)
Cloudy
85% · SW 3 m/s (6 knots)
18°C (64°F)
0 mm (0 in)
Cloudy
68% · SW 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
Cloudy
60% · SW 4 m/s (8 knots)
Sun
26 Jul
night
18°C (64°F)
0 mm (0 in)
Cloudy
73%
3 m/s (6 knots)
morning
16°C (61°F)
0.2 mm (0.01 in)
Cloudy
85%
3 m/s (6 knots)
afternoon
18°C (64°F)
0 mm (0 in)
Cloudy
68%
3 m/s (6 knots)
evening
19°C (66°F)
0 mm (0 in)
Cloudy
60%
4 m/s (8 knots)
Monday
27 Jul
16°C (61°F)
0.1 mm (0 in)
Cloudy
74% · SW 3 m/s (6 knots)
15°C (59°F)
2 mm (0.1 in)
Rain showers
81% · S 3 m/s (6 knots)
16°C (61°F)
0.4 mm (0.02 in)
Cloudy
67% · SW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Clear skies
39% · SW 5 m/s (10 knots)
Mon
27 Jul
night
16°C (61°F)
0.1 mm (0 in)
Cloudy
74%
3 m/s (6 knots)
morning
15°C (59°F)
2 mm (0.1 in)
Rain showers
81%
3 m/s (6 knots)
afternoon
16°C (61°F)
0.4 mm (0.02 in)
Cloudy
67%
4 m/s (8 knots)
evening
21°C (70°F)
0 mm (0 in)
Clear skies
39%
5 m/s (10 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
SeaTac weather by month
Browse monthly averages for SeaTac: climate by month with temperature, rainfall and sunshine.
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