Past Weather in SeaTac — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
50
54
58
62
66
70
74
78
82
86
90
Sun, Sep 7
Lo:64
6 pm
Hi:70
1
Mon, Sep 8
Lo:61
12 am
Hi:64
0
Lo:61
6 am
Hi:70
1
Lo:72
12 pm
Hi:73
5
Lo:63
6 pm
Hi:72
2
Tue, Sep 9
Lo:59
12 am
Hi:63
2
Lo:59
6 am
Hi:64
2
Lo:66
12 pm
Hi:72
3
Lo:63
6 pm
Hi:70
1
Wed, Sep 10
Lo:57
12 am
Hi:61
1
Lo:57
6 am
Hi:66
3
Lo:70
12 pm
Hi:75
7
Lo:63
6 pm
Hi:73
2
Thu, Sep 11
Lo:57
12 am
Hi:63
1
Lo:57
6 am
Hi:61
4
Lo:63
12 pm
Hi:70
7
Lo:61
6 pm
Hi:66
4
Fri, Sep 12
Lo:61
12 am
Hi:63
4
Lo:61
6 am
Hi:66
3
Lo:66
12 pm
Hi:72
3
Lo:64
6 pm
Hi:70
0
Sat, Sep 13
Lo:59
12 am
Hi:63
1
Lo:61
6 am
Hi:72
5
Lo:72
12 pm
Hi:77
8
Lo:64
6 pm
Hi:73
7
Sun, Sep 14
Lo:63
12 am
Hi:64
7
Lo:61
6 am
Hi:64
10
Lo:64
12 pm
Hi:66
12
Lo:59
6 pm
Hi:64
7
Mon, Sep 15
Lo:54
12 am
Hi:57
0
Lo:55
6 am
Hi:64
3
Lo:64
12 pm
Hi:70
9
Lo:61
6 pm
Hi:66
3
Tue, Sep 16
Lo:57
12 am
Hi:61
2
Lo:59
6 am
Hi:75
4
Lo:79
12 pm
Hi:91
7
Lo:73
6 pm
Hi:88
8
Wed, Sep 17
Lo:63
12 am
Hi:72
7
Lo:61
6 am
Hi:72
4
Lo:73
12 pm
Hi:77
6
Lo:63
6 pm
Hi:73
4
Thu, Sep 18
Lo:57
12 am
Hi:61
0
Lo:57
6 am
Hi:66
4
Lo:68
12 pm
Hi:72
8
Lo:59
6 pm
Hi:66
2
Fri, Sep 19
Lo:54
12 am
Hi:59
1
Lo:54
6 am
Hi:64
4
Lo:70
12 pm
Hi:73
6
Lo:59
6 pm
Hi:70
2
Sat, Sep 20
Lo:54
12 am
Hi:57
1
Lo:54
6 am
Hi:70
7
Lo:72
12 pm
Hi:75
7
Lo:61
6 pm
Hi:68
8
Sun, Sep 21
Lo:57
12 am
Hi:61
9
Lo:57
6 am
Hi:61
6
Lo:61
12 pm
Hi:68
7
Lo:61
6 pm
Hi:66
4
Mon, Sep 22
Lo:52
12 am
Hi:59
1
Lo:52
6 am
Hi:64
4
Lo:66
12 pm
Hi:72
4
Lo:64
6 pm
Hi:66
2
Sunday, September 7, 2025, 6:00 pm — 12:00 am
70 / 64 °F
Overcast.
Humidity: 73%
Barometer: 30.07 "Hg
WSW
Wind: 1.243 mph
SeaTac Temperature Yesterday
Maximum temperature yesterday: 68 °F (at 3:53 pm)
Minimum temperature yesterday: 58 °F (at 4:53 am)
Average temperature yesterday: 61 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 91 °F (Sep 16, 4:53 pm) | 97% (Sep 11, 7:53 am) | 30.21 "Hg (Sep 11, 7:53 am) |
| Low | 52 °F (Sep 22, 5:53 am) | 22% (Sep 16, 4:53 pm) | 29.79 "Hg (Sep 14, 3:53 am) |
| Average | 65 °F | 69% | 30.00 "Hg |
| * Reported Sep 7 7:53 pm — Sep 22 7:53 pm, SeaTac. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
SeaTac Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 7:53 pm Mon, Sep 22 |  | 65 °F | Clear. | No wind | ↑ | 61% | 30.09 "Hg | 10 mi |
| 6:53 pm |  | 67 °F | Sunny. | 5 mph | ↑ | 53% | 30.09 "Hg | 10 mi |
| 5:53 pm |  | 69 °F | Passing clouds. | 6 mph | ↑ | 49% | 30.09 "Hg | 10 mi |
| 4:53 pm | | 70 °F | Passing clouds. | 6 mph | ↑ | 46% | 30.11 "Hg | 10 mi |
| 3:53 pm | | 70 °F | Sunny. | 7 mph | ↑ | 47% | 30.12 "Hg | 10 mi |
| 2:53 pm | | 71 °F | Sunny. | 7 mph | ↑ | 47% | 30.13 "Hg | 10 mi |
| 1:53 pm | | 68 °F | Passing clouds. | No wind | ↑ | 49% | 30.16 "Hg | 10 mi |
| 12:53 pm | | 67 °F | Passing clouds. | N/A | ↑ | 59% | 30.18 "Hg | 10 mi |
| 11:53 am | | 65 °F | Passing clouds. | No wind | ↑ | 54% | 30.19 "Hg | 10 mi |
| 10:53 am | | 62 °F | Passing clouds. | 3 mph | ↑ | 67% | 30.21 "Hg | 10 mi |
| 9:53 am | | 59 °F | Passing clouds. | 3 mph | ↑ | 75% | 30.21 "Hg | 10 mi |
| 8:53 am | | 56 °F | Sunny. | 5 mph | ↑ | 84% | 30.21 "Hg | 10 mi |
| 7:53 am | | 53 °F | Sunny. | 6 mph | ↑ | 89% | 30.20 "Hg | 10 mi |
| 6:53 am | | 52 °F | Clear. | 5 mph | ↑ | 93% | 30.18 "Hg | 10 mi |
| 5:53 am | | 52 °F | Clear. | 6 mph | ↑ | 93% | 30.17 "Hg | 10 mi |
| 3:53 am | | 55 °F | Clear. | No wind | ↑ | 87% | 30.16 "Hg | 10 mi |
| 2:53 am | | 55 °F | Clear. | No wind | ↑ | 83% | 30.16 "Hg | 10 mi |
| 12:53 am |  | 59 °F | Passing clouds. | No wind | ↑ | 72% | 30.15 "Hg | 10 mi |
| 11:53 pm Sun, Sep 21 | | 60 °F | Passing clouds. | No wind | ↑ | 69% | 30.14 "Hg | 10 mi |
| 10:53 pm | | 62 °F | Passing clouds. | 6 mph | ↑ | 62% | 30.13 "Hg | 10 mi |
| 9:53 pm | | 63 °F | Passing clouds. | 5 mph | ↑ | 63% | 30.10 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||