Seattle
Seattle–Tacoma International Airport
KSEACurrent Weather
Cloud Forecast Convective Activity
About Seattle–Tacoma International Airport
Seattle's marine climate brings clouds and rain but limited turbulence. Cascade Mountain waves occasionally affect eastbound flights.
Is Seattle-Tacoma Airport turbulent?
Seattle faces Pacific weather systems including powerful atmospheric rivers that dump feet of rain on the region. The Cascade Mountains to the east can create turbulence when winds are strong, though the airport itself sits in a relatively protected position. Winter storms bring heavy rain and gusty winds but rarely cause extended closures.
- Atmospheric rivers can make Pacific Northwest 'wettest place on Earth' for days
- Cascade Mountains create mechanical turbulence in strong winds
- Winter storm gusts reach 25-45 mph in the Seattle area
What is an atmospheric river?
An atmospheric river is a narrow corridor of moisture that flows from the tropical Pacific to the Pacific Northwest, bringing days of heavy rain. These systems can dump 2-6 inches on lowlands and up to 10 inches in the mountains. While not as disruptive as hurricanes, they bring sustained rain, gusty winds, and localized flooding.
When is the best time to fly from Seattle?
June through September offers the driest, most pleasant conditions. Late autumn through winter brings the most atmospheric river activity. Spring is variable but improving. Seattle's weather is rarely severe enough to close the airport, but expect rain-related delays in the wet season. Cloud ceilings can reduce visual approaches.
Upcoming Flights (next 2 hours) 80
| Flight | Destination | Departure | Aircraft | Forecast |
|---|---|---|---|---|
AS2144
Alaska Horizon |
GEG | 14:59 Local | embraer e175lr | Forecast |
AC8807
Air Canada |
YVR | 15:00 Local | -- | Forecast |
DL3770
Delta Air Lines |
MFR | 15:00 Local | -- | Forecast |
DL2318
Delta Air Lines |
SNA | 15:00 Local | -- | Forecast |
|
1L129
Netjets Aviation |
TEB | 15:02 Local | -- | Forecast |
AS420
Alaska Airlines |
MCO | 15:07 Local | boeing 737 max 9 | Forecast |
AS2222
Alaska Horizon |
HLN | 15:09 Local | embraer e175lr | Forecast |
|
8C6768
Air Transport International |
SMF | 15:10 Local | -- | Forecast |
DL3891
Delta Air Lines |
PSC | 15:10 Local | -- | Forecast |
AA2768
American Airlines |
ORD | 15:17 Local | boeing 737-823 | Forecast |
|
F93406
Frontier |
DEN | 15:19 Local | -- | Forecast |
AA3440
American Airlines |
PHX | 15:20 Local | -- | Forecast |
DL2613
Delta Air Lines |
SAN | 15:20 Local | -- | Forecast |
DL4100
Delta Connection |
SJC | 15:27 Local | embraer e175ll | Forecast |
AS460
Alaska Airlines |
BOS | 15:30 Local | -- | Forecast |
AS293
Alaska Airlines |
EWR | 15:30 Local | -- | Forecast |
UA325
United Airlines |
SFO | 15:30 Local | -- | Forecast |
AS2007
Alaska Horizon (Honoring Those Who Serve Livery) |
YVR | 15:32 Local | -- | Forecast |
WN3830
Southwest Airlines |
MCI | 15:35 Local | -- | Forecast |
DL248
Delta Air Lines |
BCN | 15:35 Local | -- | Forecast |
AS2132
Alaska Horizon |
MFR | 15:35 Local | -- | Forecast |
AS2226
Alaska Horizon |
YYC | 15:35 Local | -- | Forecast |
AS2444
Alaska Horizon |
GTF | 15:36 Local | -- | Forecast |
|
1L167
Netjets Aviation |
TEB | 15:36 Local | -- | Forecast |
AS2257
Alaska Horizon (Honoring Those Who Serve Livery) |
OAK | 15:37 Local | -- | Forecast |
AS1434
Alaska Airlines |
ANC | 15:38 Local | -- | Forecast |
AS238
Alaska Airlines |
KOA | 15:40 Local | -- | Forecast |
AS3435
Alaska Airlines |
RDM | 15:40 Local | -- | Forecast |
DL4124
Delta Air Lines |
EUG | 15:40 Local | -- | Forecast |
FI680
Icelandair |
KEF | 15:40 Local | -- | Forecast |
SY8036
Sun Country Airlines |
BLI | 15:44 Local | -- | Forecast |
AA757
American Airlines |
DFW | 15:45 Local | -- | Forecast |
AS67
Alaska Airlines |
KTN | 15:45 Local | -- | Forecast |
AS3470
Alaska Airlines |
YYJ | 15:45 Local | -- | Forecast |
AS841
Alaska Airlines |
HNL | 15:45 Local | -- | Forecast |
AS2295
Alaska Horizon |
BIL | 15:47 Local | -- | Forecast |
AS2326
Alaska Horizon |
BOI | 15:49 Local | -- | Forecast |
|
8C3397
Air Transport International |
DEN | 15:50 Local | -- | Forecast |
AS1384
Alaska Airlines |
PDX | 15:50 Local | -- | Forecast |
AS2342
Alaska Horizon |
FAT | 15:51 Local | -- | Forecast |
|
1I847
Netjets |
BFI | 15:51 Local | -- | Forecast |
AS348
Alaska Airlines |
IAD | 15:53 Local | -- | Forecast |
DL345
Delta Air Lines |
LIH | 15:55 Local | -- | Forecast |
WN3389
Southwest Airlines |
SAN | 15:55 Local | -- | Forecast |
DL2830
Delta Air Lines |
LAX | 15:55 Local | -- | Forecast |
AS619
Alaska Airlines |
SLC | 15:55 Local | -- | Forecast |
SK938
Sas |
CPH | 15:55 Local | -- | Forecast |
AS2187
Alaska Horizon |
MRY | 15:56 Local | -- | Forecast |
|
1L824
Netjets Aviation |
AST | 15:57 Local | -- | Forecast |
AS492
Alaska Airlines |
ATL | 15:59 Local | -- | Forecast |
CI5393
China Airlines |
TPE | 16:00 Local | -- | Forecast |
DL489
Delta Air Lines |
RDU | 16:00 Local | -- | Forecast |
WN3254
Southwest Airlines |
LAS | 16:00 Local | -- | Forecast |
|
LXJ661
Flexjet |
FAB | 16:00 Local | -- | Forecast |
|
L72525
Latam Cargo Colombia |
MIA | 16:05 Local | -- | Forecast |
AS686
Alaska Airlines |
SBA | 16:06 Local | -- | Forecast |
DL474
Delta Air Lines |
BOS | 16:10 Local | -- | Forecast |
AS744
Alaska Airlines |
PHX | 16:15 Local | -- | Forecast |
DL281
Delta Air Lines |
PVG | 16:15 Local | -- | Forecast |
AS795
Alaska Airlines |
ANC | 16:15 Local | -- | Forecast |
AS3438
Alaska Airlines |
BLI | 16:18 Local | -- | Forecast |
AS493
Alaska Airlines |
SBP | 16:18 Local | boeing 737-890 | Forecast |
AS614
Alaska Airlines |
SMF | 16:20 Local | -- | Forecast |
AS553
Alaska Airlines |
BZN | 16:22 Local | -- | Forecast |
AS592
Alaska Airlines |
ONT | 16:25 Local | -- | Forecast |
AS2060
Alaska Horizon |
FCA | 16:26 Local | -- | Forecast |
AS1411
Alaska Airlines |
LAX | 16:28 Local | -- | Forecast |
SY1638
Sun Country Airlines |
MSP | 16:30 Local | -- | Forecast |
SY8034
Sun Country Airlines |
GEG | 16:30 Local | -- | Forecast |
AS3057
Alaska Airlines |
PSC | 16:30 Local | embraer e175lr | Forecast |
NH117
All Nippon Airways |
HND | 16:30 Local | -- | Forecast |
AS403
Alaska Airlines |
FAT | 16:31 Local | -- | Forecast |
DL419
Delta Air Lines |
HNL | 16:39 Local | -- | Forecast |
AS410
Alaska Airlines |
ORD | 16:42 Local | -- | Forecast |
AS3122
Alaska Airlines |
PDX | 16:44 Local | -- | Forecast |
AS623
Alaska Airlines |
SAN | 16:47 Local | -- | Forecast |
AS2177
Alaska Horizon |
RNO | 16:48 Local | -- | Forecast |
|
5Y9005
Atlas Air |
BFI | 16:50 Local | -- | Forecast |
WN4903
Southwest Airlines |
OAK | 16:50 Local | -- | Forecast |
AS314
Alaska Airlines |
PHX | 16:53 Local | -- | Forecast |
AS2144
AC8807
DL3770
DL2318
AS420
AS2222
DL3891
AA2768
AA3440
DL2613
DL4100
AS460
AS293
UA325
AS2007
WN3830
DL248
AS2132
AS2226
AS2444
AS2257
AS1434
AS238
AS3435
DL4124
FI680
SY8036
AA757
AS67
AS3470
AS841
AS2295
AS2326
AS1384
AS2342
AS348
DL345
WN3389
DL2830
AS619
SK938
AS2187
AS492
CI5393
DL489
WN3254
AS686
DL474
AS744
DL281
AS795
AS3438
AS493
AS614
AS553
AS592
AS2060
AS1411
SY1638
SY8034
AS3057
NH117
AS403
DL419
AS410
AS3122
AS623
AS2177
WN4903
AS314