I5 I-90 Seattle, WA Hourly Weather Forecast
Next 48 Hours
Tue, Sep 22nd 2026
Late-night conditions only. Overcast conditions expected later. Temps around 56°. Light winds from the S at 3.6 mph, while humidity around 71%, and an avg barometric pressure of 30.08 inHg.
| Tue, Sep 22nd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
11 PM Overcast UV: 0 |
56°F Feels 54°F |
71% | 3.6 S | 30.08 | 46.7°F | 19% |
Wed, Sep 23rd 2026
Overcast skies will dominate from morning to night. Warming trend from 50°F to 66°. Light winds, shifting from S to NE at 3.7 mph, as humidity fluctuates between 50% to 86%, and an avg barometric pressure of 30.08 inHg.
| Wed, Sep 23rd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
55°F Feels 53°F |
71% | 3.6 S | 30.08 | 45.6°F | 19% |
1 AM OvercastUV: 0 |
54°F Feels 52°F |
72% | 3.4 S | 30.08 | 45.2°F | 19% |
2 AM Partly Cloudy UV: 0 |
53°F Feels 51°F |
74% | 3.1 S | 30.09 | 45.1°F | 10% |
3 AM Clear UV: 0 |
52°F Feels 50°F |
78% | 3.6 S | 30.09 | 45.5°F | 9% |
4 AM ClearUV: 0 |
51°F Feels 50°F |
82% | 3.8 SSE | 30.09 | 45.9°F | 10% |
5 AM ClearUV: 0 |
51°F Feels 50°F |
85% | 3.4 S | 30.1 | 46.2°F | 12% |
6 AM Partly CloudyUV: 0 |
50°F Feels 49°F |
86% | 3.6 SSE | 30.09 | 46.3°F | 17% |
7 AM Overcast UV: 0 |
51°F Feels 50°F |
83% | 3.4 SSE | 30.09 | 45.8°F | 26% |
8 AM OvercastUV: 0.1 |
52°F Feels 51°F |
76% | 3.8 S | 30.1 | 45.1°F | 22% |
9 AM OvercastUV: 0.4 |
54°F Feels 52°F |
72% | 3.1 S | 30.12 | 44.8°F | 20% |
10 AM OvercastUV: 0.8 |
55°F Feels 52°F |
69% | 3.6 SSE | 30.11 | 44.7°F | 18% |
11 AM OvercastUV: 1.3 |
57°F Feels 54°F |
63% | 2.9 SW | 30.12 | 44.5°F | 15% |
12 PM OvercastUV: 2.2 |
58°F Feels 55°F |
60% | 3.6 SSW | 30.12 | 44.5°F | 15% |
1 PM OvercastUV: 3.6 |
60°F Feels 57°F |
58% | 3.8 SW | 30.11 | 45.3°F | 13% |
2 PM Cloudy UV: 3.4 |
61°F Feels 58°F |
58% | 4.3 SW | 30.1 | 46.4°F | 11% |
3 PM Partly Cloudy UV: 2.8 |
63°F Feels 60°F |
55% | 4.3 SW | 30.08 | 47.1°F | 7% |
4 PM Sunny UV: 1.7 |
66°F Feels 63°F |
51% | 4 SW | 30.07 | 47.3°F | 2% |
5 PM SunnyUV: 0.8 |
66°F Feels 64°F |
50% | 3.6 SSW | 30.06 | 47.2°F | 2% |
6 PM Partly CloudyUV: 0.2 |
65°F Feels 63°F |
53% | 3.1 SSE | 30.04 | 47.7°F | 6% |
7 PM Scattered Showers UV: 0 |
61°F Feels 60°F |
64% | 1.3 NE | 30.04 | 48.6°F | 15% |
8 PM OvercastUV: 0 |
58°F Feels 55°F |
68% | 4.5 N | 30.05 | 47.8°F | 18% |
9 PM OvercastUV: 0 |
56°F Feels 53°F |
71% | 5.4 N | 30.07 | 46.9°F | 19% |
10 PM OvercastUV: 0 |
55°F Feels 51°F |
74% | 5.6 NNE | 30.07 | 46.3°F | 20% |
11 PM Cloudy UV: 0 |
54°F Feels 51°F |
74% | 4.5 NE | 30.06 | 45.8°F | 14% |
Thu, Sep 24th 2026
Expect consistent Overcast skies throughout the day. Temps range from 51° to 60°. Light winds, shifting from NE to SSE at 4.2 mph, with humidity ranging 55% to 96%, and an avg barometric pressure of 29.92 inHg.
| Thu, Sep 24th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
53°F Feels 51°F |
77% | 3.8 NE | 30.06 | 45.8°F | 22% |
1 AM OvercastUV: 0 |
52°F Feels 50°F |
79% | 3.6 NE | 30.05 | 45.6°F | 23% |
2 AM OvercastUV: 0 |
51°F Feels 50°F |
80% | 3.4 NNE | 30.05 | 45.5°F | 24% |
3 AM OvercastUV: 0 |
51°F Feels 50°F |
81% | 3.6 NNE | 30.03 | 45.5°F | 25% |
4 AM OvercastUV: 0 |
51°F Feels 50°F |
80% | 4 NNE | 30.01 | 45.3°F | 24% |
5 AM OvercastUV: 0 |
51°F Feels 49°F |
80% | 4 NNE | 29.98 | 44.9°F | 24% |
6 AM OvercastUV: 0 |
51°F Feels 50°F |
80% | 3.1 N | 29.98 | 44.8°F | 24% |
7 AM OvercastUV: 0 |
51°F Feels 49°F |
81% | 3.4 NNE | 29.96 | 44.8°F | 24% |
8 AM OvercastUV: 0.1 |
52°F Feels 50°F |
76% | 3.8 NNE | 29.94 | 44.6°F | 22% |
9 AM OvercastUV: 0.5 |
54°F Feels 51°F |
70% | 4.5 NNE | 29.93 | 44.3°F | 18% |
10 AM OvercastUV: 1.2 |
56°F Feels 52°F |
65% | 4.9 N | 29.93 | 44.1°F | 16% |
11 AM OvercastUV: 1.8 |
59°F Feels 55°F |
57% | 5.6 N | 29.91 | 44.1°F | 14% |
12 PM OvercastUV: 1.9 |
60°F Feels 56°F |
55% | 5.4 NNW | 29.9 | 43.8°F | 13% |
1 PM OvercastUV: 1.8 |
60°F Feels 54°F |
56% | 6.7 NNW | 29.89 | 44.1°F | 14% |
2 PM OvercastUV: 1.3 |
58°F Feels 53°F |
62% | 6.9 NNW | 29.88 | 45.3°F | 15% |
3 PM Scattered ShowersUV: 0.4 |
57°F Feels 52°F |
68% | 7.4 NNW | 29.87 | 46.4°F | 20% |
4 PM Scattered ShowersUV: 0.2 |
55°F Feels 51°F |
74% | 6.5 NNW | 29.86 | 46.8°F | 21% |
5 PM OvercastUV: 0.1 |
54°F Feels 52°F |
77% | 4.7 NW | 29.85 | 47.1°F | 22% |
6 PM Scattered ShowersUV: 0 |
54°F Feels 52°F |
80% | 3.8 N | 29.82 | 47.4°F | 25% |
7 PM Light Rain Shower UV: 0 |
53°F Feels 52°F |
84% | 1.8 NNW | 29.81 | 48.4°F | 49% Rain est. 0.01in |
8 PM Light Rain Shower UV: 0 |
52°F Feels 51°F |
90% | 4.3 WNW | 29.8 | 49.4°F | 46% Rain est. 0.01in |
9 PM Light Rain ShowerUV: 0 |
52°F Feels 51°F |
94% | 1.1 N | 29.8 | 50.3°F | 65% Rain est. 0.02in |
10 PM Light Rain UV: 0 |
52°F Feels 51°F |
96% | 1.3 SSE | 29.81 | 50.6°F | 80% Rain est. 0.06in |
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