SeaTac, WA Hourly Weather

King County4:13 PM PDT47.45°N, 122.29°WElevation 262 ft

Next 48 hours

4 PM 7 PM 10 PM Mon Oct 26 1 AM 4 AM 7 AM 10 AM 1 PM 4 PM 7 PM 10 PM Tue Oct 27 1 AM 4 AM 7 AM 10 AM 1 PM 45° 50° 55° %
TemperatureFeels likeChance of precipitationNight
Sunday, October 258 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
4 PM Chance Light Rain 53° 53° 31% 0.01 in E 5 78% 46° 78% 1
5 PM Light Rain Likely 54° 54° 55% <0.01 in E 5 77% 47° 84% 0
6 PM Chance Light Rain 53° 53° 31% <0.01 in E 3 79% 47° 67% 0
7 PM Chance Light Rain 51° 51° 34% <0.01 in E 3 83% 46° 63% 0
8 PM Chance Light Rain 51° 51° 31% <0.01 in E 3 81% 45° 59% 0
9 PM Chance Light Rain 49° 48° 28% <0.01 in E 3 83% 44° 84% 0
10 PM Slight Chance Light Rain 49° 49° 23% <0.01 in N 2 84% 44° 83% 0
11 PM Chance Light Rain 49° 49° 35% <0.01 in NNE 2 83% 44° 78% 0
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Chance Light Rain 48° 48° 26% <0.01 in N 2 90% 45° 81% 0
1 AM Chance Light Rain 47° 47° 31% <0.01 in NNE 2 91% 45° 63% 0
2 AM Chance Light Rain 47° 47° 42% <0.01 in NNE 2 91% 45° 76% 0
3 AM Chance Light Rain 46° 46° 38% <0.01 in NE 2 95% 45° 78% 0
4 AM Chance Light Rain 46° 46° 31% <0.01 in NE 2 94% 44° 78% 0
5 AM Slight Chance Light Rain 46° 46° 23% 0.00 in NE 2 91% 44° 89% 0
6 AM Slight Chance Light Rain 46° 46° 24% 0.00 in NE 2 94% 44° 89% 0
7 AM Cloudy 45° 45° 11% 0.00 in NE 2 96% 44° 89% 0
8 AM Slight Chance Light Rain 46° 46° 18% 0.00 in NE 2 95% 45° 88% 0
9 AM Slight Chance Light Rain 46° 46° 21% 0.00 in NE 2 98% 45° 88% 0
10 AM Cloudy 48° 48° 14% 0.00 in NE 2 97% 47° 88% 1
11 AM Mostly Cloudy 51° 51° 3% 0.00 in N 2 90% 48° 85% 1
12 PM Mostly Cloudy 52° 52° 1% 0.00 in N 2 87% 48° 85% 2
1 PM Mostly Cloudy 55° 55° 2% 0.00 in N 2 79% 49° 85% 2
2 PM Partly Sunny 56° 56° 12% 0.00 in N 3 75% 48° 66% 2
3 PM Partly Sunny 56° 56° 11% 0.00 in N 3 72% 47° 66% 1
4 PM Slight Chance Light Rain 57° 57° 20% 0.00 in N 3 72% 48° 66% 1
5 PM Partly Sunny 56° 56° 6% 0.00 in NE 2 71% 47° 69% 0
6 PM Mostly Cloudy 55° 55° 6% 0.00 in NE 2 77% 48° 69% 0
7 PM Mostly Cloudy 53° 53° 6% 0.00 in NE 2 81% 47° 69% 0
8 PM Mostly Cloudy 50° 50° 6% 0.00 in SSE 1 84% 45° 60% 0
9 PM Mostly Cloudy 49° 49° 6% 0.00 in SSE 1 86% 45° 60% 0
10 PM Mostly Cloudy 49° 49° 6% 0.00 in SSE 1 86% 45° 60% 0
11 PM Slight Chance Light Rain 49° 48° 24% 0.00 in S 3 87% 45° 67% 0
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Slight Chance Light Rain 49° 48° 24% 0.00 in S 3 89% 46° 67% 0
1 AM Slight Chance Light Rain 48° 47° 24% 0.00 in S 3 91% 46° 67% 0
2 AM Slight Chance Light Rain 48° 46° 24% 0.00 in S 5 93% 46° 83% 0
3 AM Slight Chance Light Rain 48° 46° 24% 0.00 in S 5 93% 46° 83% 0
4 AM Slight Chance Light Rain 47° 45° 24% 0.00 in S 5 93% 45° 83% 0
5 AM Mostly Cloudy 47° 44° 12% 0.00 in S 6 93% 45° 87% 0
6 AM Mostly Cloudy 47° 44° 12% 0.00 in S 6 94% 45° 87% 0
7 AM Mostly Cloudy 47° 44° 12% 0.00 in S 6 95% 45° 87% 0
8 AM Cloudy 47° 44° 12% 0.00 in S 7 95% 46° 92% 0
9 AM Cloudy 48° 45° 12% 0.00 in S 7 94% 46° 92% 0
10 AM Cloudy 49° 46° 12% 0.00 in S 7 92% 47° 92% 1
11 AM Slight Chance Light Rain 51° 51° 19% 0.00 in SSW 9 89% 48° 83% 1
12 PM Slight Chance Light Rain 53° 53° 19% 0.00 in SSW 9 83% 48° 83% 2
1 PM Slight Chance Light Rain 55° 55° 19% 0.00 in SSW 9 77% 47° 83% 2
2 PM Slight Chance Light Rain 56° 56° 19% 0.00 in SSW 10 G16 71% 47° 54% 2
3 PM Slight Chance Light Rain 57° 57° 19% 0.00 in SSW 10 G16 68% 46° 54% 1
4 PM Slight Chance Light Rain 57° 57° 19% 0.00 in SSW 10 G16 66% 46° 54% 1
5 PM Slight Chance Light Rain 56° 56° 24% 0.00 in SSW 10 67% 45° 48% 0
6 PM Slight Chance Light Rain 54° 54° 24% 0.00 in SSW 10 70% 45° 48% –
7 PM Slight Chance Light Rain 52° 52° 24% 0.00 in SSW 10 74% 44° 48% –
8 PM Slight Chance Light Rain 50° 46° 24% 0.00 in SSW 12 78% 43° 48% –
9 PM Slight Chance Light Rain 49° 45° 24% 0.00 in SSW 12 81% 44° 48% –
10 PM Slight Chance Light Rain 49° 44° 24% 0.00 in SSW 12 83% 44° 48% –
11 PM Light Rain 49° 44° 75% 0.01 in S 13 G20 85% 45° 84% –
Wednesday, October 2824 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Light Rain 48° 43° 75% 0.01 in S 13 G20 88% 45° 84% –
1 AM Light Rain 48° 42° 75% 0.01 in S 13 G20 90% 45° 84% –
2 AM Light Rain 47° 42° 75% 0.01 in S 12 G18 92% 45° 84% –
3 AM Light Rain 47° 41° 75% 0.01 in S 12 G18 92% 45° 84% –
4 AM Light Rain 46° 41° 75% 0.01 in S 12 G18 92% 44° 84% –
5 AM Light Rain 46° 41° 79% <0.01 in S 10 G17 92% 44° 86% –
6 AM Light Rain 45° 40° 79% <0.01 in S 10 G17 93% 43° 86% –
7 AM Light Rain 44° 39° 79% <0.01 in S 10 G17 94% 42° 86% –
8 AM Light Rain 44° 38° 79% <0.01 in S 10 94% 42° 89% –
9 AM Light Rain 45° 40° 79% <0.01 in S 10 93% 43° 89% –
10 AM Light Rain 47° 42° 79% <0.01 in S 10 92% 45° 89% –
11 AM Showers And Thunderstorms 49° 44° 95% 0.02 in SSW 12 89% 46° 97% –
12 PM Showers And Thunderstorms 50° 46° 95% 0.02 in SSW 12 85% 46° 97% –
1 PM Showers And Thunderstorms 51° 51° 95% 0.02 in SSW 12 81% 46° 97% –
2 PM Showers And Thunderstorms 52° 52° 95% 0.02 in SSW 10 77% 45° 97% –
3 PM Showers And Thunderstorms 53° 53° 95% 0.02 in SSW 10 75% 45° 97% –
4 PM Showers And Thunderstorms 53° 53° 95% 0.02 in SSW 10 74% 45° 97% –
5 PM Light Rain Likely 52° 52° 70% <0.01 in S 8 71% 43° 80% –
6 PM Light Rain Likely 50° 47° 70% <0.01 in S 8 74% 42° 80% –
7 PM Light Rain Likely 48° 45° 70% <0.01 in S 8 77% 41° 80% –
8 PM Light Rain Likely 47° 44° 70% <0.01 in S 6 79% 41° 80% –
9 PM Light Rain Likely 47° 44° 70% <0.01 in S 6 82% 41° 80% –
10 PM Light Rain Likely 46° 43° 70% <0.01 in S 6 84% 42° 80% –
11 PM Light Rain 46° 44° 82% 0.01 in SSE 5 86% 42° 88% –
Thursday, October 2924 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Light Rain 45° 42° 82% 0.01 in SSE 5 89% 42° 88% –
1 AM Light Rain 43° 41° 82% 0.01 in SSE 5 93% 41° 88% –
2 AM Light Rain 42° 40° 82% 0.01 in SSE 3 96% 41° 88% –
3 AM Light Rain 42° 40° 82% 0.01 in SSE 3 97% 41° 88% –
4 AM Light Rain 42° 40° 82% 0.01 in SSE 3 97% 41° 88% –
5 AM Light Rain Likely 42° 40° 72% 0.01 in SSE 3 96% 41° 88% –
6 AM Light Rain Likely 41° 39° 72% 0.01 in SSE 3 97% 41° 88% –
7 AM Light Rain Likely 41° 39° 72% 0.01 in SSE 3 97% 40° 88% –
8 AM Light Rain Likely 41° 39° 72% 0.01 in SE 3 96% 40° 88% –
9 AM Light Rain Likely 43° 41° 72% 0.01 in SE 3 94% 41° 88% –
10 AM Light Rain Likely 45° 43° 72% 0.01 in SE 3 90% 42° 88% –
11 AM Light Rain Likely 47° 47° 68% <0.01 in SSE 2 86% 43° 83% –
12 PM Light Rain Likely 49° 49° 68% <0.01 in SSE 2 80% 43° 83% –
1 PM Light Rain Likely 50° 50° 68% <0.01 in SSE 2 75% 43° 83% –
2 PM Light Rain Likely 51° 51° 68% <0.01 in S 5 71% 42° 83% –
3 PM Light Rain Likely 51° 51° 68% <0.01 in S 5 70% 42° 83% –
4 PM Light Rain Likely 51° 50° 68% <0.01 in S 5 70% 41° 83% –
5 PM Chance Light Rain 50° 49° 50% <0.01 in SSE 3 71% 41° 68% –
6 PM Chance Light Rain 48° 47° 50% <0.01 in SSE 3 73% 40° 68% –
7 PM Chance Light Rain 47° 45° 50% <0.01 in SSE 3 76% 39° 68% –
8 PM Chance Light Rain 45° 45° 50% <0.01 in ESE 2 79% 39° 68% –
9 PM Chance Light Rain 44° 44° 50% <0.01 in ESE 2 81% 39° 68% –
10 PM Chance Light Rain 44° 44° 50% <0.01 in ESE 2 83% 40° 68% –
11 PM Slight Chance Light Rain 44° 44° 24% <0.01 in ESE 2 86% 40° 58% –
Friday, October 3024 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Slight Chance Light Rain 43° 43° 24% <0.01 in ESE 2 89% 40° 58% –
1 AM Slight Chance Light Rain 42° 42° 24% <0.01 in ESE 2 93% 40° 58% –
2 AM Slight Chance Light Rain 41° 41° 24% <0.01 in ESE 2 96% 40° 58% –
3 AM Slight Chance Light Rain 41° 41° 24% <0.01 in ESE 2 97% 40° 58% –
4 AM Slight Chance Light Rain 40° 40° 24% <0.01 in ESE 2 97% 39° 58% –
5 AM Slight Chance Light Rain 40° 40° 20% 0.00 in ESE 2 96% 39° 71% –
6 AM Slight Chance Light Rain 39° 39° 20% 0.00 in ESE 2 97% 38° 71% –
7 AM Slight Chance Light Rain 39° 39° 20% 0.00 in ESE 2 97% 38° 71% –
8 AM Slight Chance Light Rain 39° 39° 20% 0.00 in ESE 2 96% 38° 71% –
9 AM Slight Chance Light Rain 41° 41° 20% 0.00 in ESE 2 94% 39° 71% –
10 AM Slight Chance Light Rain 43° 43° 20% 0.00 in ESE 2 91% 41° 71% –
11 AM Slight Chance Light Rain 46° 46° 16% 0.00 in N 2 86% 42° 63% –
12 PM Slight Chance Light Rain 49° 49° 16% 0.00 in N 2 77% 42° 63% –
1 PM Slight Chance Light Rain 51° 51° 16% 0.00 in N 2 69% 41° 63% –
2 PM Slight Chance Light Rain 52° 52° 16% 0.00 in NNW 3 63% 40° 63% –
3 PM Slight Chance Light Rain 52° 52° 16% 0.00 in NNW 3 61% 39° 63% –
4 PM Slight Chance Light Rain 51° 51° 16% 0.00 in NNW 3 61% 39° 63% –
5 PM Slight Chance Light Rain 50° 49° 18% 0.00 in NNW 3 63% 38° 36% –
6 PM Slight Chance Light Rain 48° 47° 18% 0.00 in NNW 3 67% 38° 36% –
7 PM Slight Chance Light Rain 46° 45° 18% 0.00 in NNW 3 73% 38° 36% –
8 PM Slight Chance Light Rain 44° 44° 18% 0.00 in NNE 2 79% 38° 36% –
9 PM Slight Chance Light Rain 43° 43° 18% 0.00 in NNE 2 82% 38° 36% –
10 PM Slight Chance Light Rain 43° 43° 18% 0.00 in NNE 2 84% 38° 36% –
11 PM Partly Cloudy 42° 42° 12% 0.00 in E 2 86% 38° 40% –
Saturday, October 3114 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 41° 41° 12% 0.00 in E 2 89% 38° 40% –
1 AM Partly Cloudy 40° 40° 12% 0.00 in E 2 93% 38° 40% –
2 AM Partly Cloudy 39° 39° 12% 0.00 in SE 2 96% 38° 40% –
3 AM Partly Cloudy 38° 38° 12% 0.00 in SE 2 97% 38° 40% –
4 AM Partly Cloudy 38° 38° 12% 0.00 in SE 2 97% 37° 40% –
5 AM Mostly Cloudy 38° 38° 8% 0.00 in SE 2 96% 37° 59% –
6 AM Partly Sunny 38° 38° 8% 0.00 in SE 2 96% 36° 59% –
7 AM Partly Sunny 37° 37° 8% 0.00 in SE 2 95% 36° 59% –
8 AM Partly Sunny 38° 38° 8% 0.00 in SE 2 92% 36° 59% –
9 AM Partly Sunny 40° 40° 8% 0.00 in SE 2 89% 37° 59% –
10 AM Partly Sunny 42° 42° 8% 0.00 in SE 2 85% 38° 59% –
11 AM Partly Sunny 45° 45° 9% 0.00 in S 2 79% 39° 64% –
12 PM Partly Sunny 48° 48° 9% 0.00 in S 2 72% 39° 64% –
1 PM Partly Sunny 50° 50° 9% 0.00 in S 2 66% 39° 64% –

National Weather Service forecast updated 16 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use. How to use Weather