Issaquah, WA Hourly Weather Forecast
Next 48 Hours
Fri, Sep 25th 2026
A full day of Light rain shower conditions is expected. Temps range from 47° to 52°. Breezy wind, shifting from S to S at 9.5 mph, with humidity levels between 79% to 98%, and an avg barometric pressure of 29.98 inHg.
| Fri, Sep 25th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
1 PM Light Rain Shower UV: 0.5 |
52°F Feels 45°F |
79% | 16.1 S | 29.79 | 45.3°F | 59% Rain est. 0.03in |
2 PM Light Rain ShowerUV: 0.3 |
51°F Feels 47°F |
98% | 9.6 S | 29.82 | 50.7°F | 75% Rain est. 0.03in |
3 PM Light Rain ShowerUV: 0.3 |
51°F Feels 45°F |
97% | 12.5 SSW | 29.88 | 49.7°F | 83% Rain est. 0.08in |
4 PM Moderate Or Heavy Rain Shower UV: 0.4 |
50°F Feels 44°F |
97% | 12.3 SW | 29.93 | 48.7°F | 89% Rain est. 0.16in |
5 PM Moderate Or Heavy Rain ShowerUV: 0.1 |
51°F Feels 47°F |
96% | 8.5 SW | 29.95 | 49.5°F | 89% Rain est. 0.15in |
6 PM Light Rain ShowerUV: 0 |
52°F Feels 51°F |
94% | 4 SW | 30 | 50.2°F | 80% Rain est. 0.07in |
7 PM Light Rain Shower UV: 0 |
51°F Feels 47°F |
89% | 9.8 SSW | 30.04 | 47.9°F | 42% Rain est. 0.01in |
8 PM Light Rain ShowerUV: 0 |
49°F Feels 45°F |
89% | 9.6 SSW | 30.07 | 46.1°F | 69% Rain est. 0.05in |
9 PM Clear UV: 0 |
49°F Feels 45°F |
88% | 8.5 SSW | 30.08 | 45.1°F | 13% |
10 PM Scattered Showers UV: 0 |
47°F Feels 44°F |
90% | 7.4 S | 30.1 | 44.5°F | 65% Rain est. 0.03in |
11 PM Scattered ShowersUV: 0 |
47°F Feels 44°F |
91% | 6.7 S | 30.11 | 44.5°F | 25% |
Sat, Sep 26th 2026
Expect consistent Overcast skies throughout the day. Warming trend from 45°F to 62°. Light winds, shifting from SSE to NE at 4.1 mph, as humidity fluctuates between 39% to 97%, and an avg barometric pressure of 30.12 inHg.
| Sat, Sep 26th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Mist UV: 0 |
45°F Feels 42°F |
96% | 5.6 SSE | 30.13 | 44.2°F | 35% |
1 AM MistUV: 0 |
45°F Feels 42°F |
97% | 5.1 SSE | 30.13 | 44.1°F | 34% |
2 AM MistUV: 0 |
46°F Feels 44°F |
95% | 4.3 SSE | 30.14 | 44.8°F | 39% |
3 AM Scattered ShowersUV: 0 |
47°F Feels 46°F |
92% | 4 S | 30.14 | 45.3°F | 31% |
4 AM Scattered ShowersUV: 0 |
47°F Feels 46°F |
93% | 3.4 S | 30.14 | 45.3°F | 32% |
5 AM Scattered ShowersUV: 0 |
48°F Feels 47°F |
91% | 3.4 S | 30.15 | 45.4°F | 31% |
6 AM Scattered ShowersUV: 0 |
48°F Feels 47°F |
91% | 3.6 S | 30.16 | 45.4°F | 28% |
7 AM Scattered ShowersUV: 0 |
47°F Feels 46°F |
93% | 3.6 S | 30.16 | 45.1°F | 29% |
8 AM Sunny UV: 0.1 |
47°F Feels 44°F |
92% | 2.7 SSE | 30.17 | 44.9°F | 15% |
9 AM SunnyUV: 0.6 |
51°F Feels 49°F |
81% | 0.9 SSE | 30.17 | 45.3°F | 10% |
10 AM SunnyUV: 1.3 |
55°F Feels 53°F |
67% | 0.7 NW | 30.16 | 44.2°F | 5% |
11 AM Cloudy UV: 2.3 |
58°F Feels 55°F |
56% | 2.7 NNW | 30.15 | 42.4°F | 11% |
12 PM CloudyUV: 3.2 |
59°F Feels 55°F |
49% | 4.5 NNW | 30.13 | 40.2°F | 7% |
1 PM Partly Cloudy UV: 3.6 |
60°F Feels 54°F |
45% | 6 NNW | 30.11 | 38.9°F | 3% |
2 PM Overcast UV: 3.4 |
61°F Feels 55°F |
41% | 6 N | 30.09 | 37.1°F | 10% |
3 PM OvercastUV: 2.6 |
62°F Feels 55°F |
39% | 6.7 N | 30.07 | 36.5°F | 10% |
4 PM OvercastUV: 1.7 |
61°F Feels 54°F |
39% | 6.7 N | 30.06 | 35.8°F | 10% |
5 PM OvercastUV: 0.7 |
60°F Feels 53°F |
43% | 6.5 NNW | 30.06 | 37.3°F | 10% |
6 PM OvercastUV: 0.2 |
56°F Feels 51°F |
52% | 6.5 NNW | 30.06 | 38.8°F | 13% |
7 PM Overcast UV: 0 |
50°F Feels 48°F |
68% | 4.5 N | 30.08 | 40.1°F | 18% |
8 PM OvercastUV: 0 |
48°F Feels 47°F |
76% | 3.1 NE | 30.08 | 40.5°F | 21% |
9 PM OvercastUV: 0 |
46°F Feels 43°F |
79% | 2.9 NE | 30.08 | 40.4°F | 24% |
10 PM OvercastUV: 0 |
46°F Feels 42°F |
82% | 2.9 NE | 30.08 | 40.3°F | 25% |
11 PM OvercastUV: 0 |
45°F Feels 42°F |
82% | 2.7 NE | 30.08 | 40.4°F | 25% |
Sun, Sep 27th 2026
Starting off Sunny skies, turning Overcast conditions later in the day. Warming trend from 41°F to 60°. Calm winds, shifting from NE to NNW at 2.7 mph, with humidity levels between 45% to 91%, and an avg barometric pressure of 30.05 inHg.
| Sun, Sep 27th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
45°F Feels 41°F |
84% | 2.9 NE | 30.07 | 40.3°F | 26% |
1 AM OvercastUV: 0 |
45°F Feels 41°F |
84% | 2.5 NE | 30.06 | 40.2°F | 26% |
2 AM OvercastUV: 0 |
44°F Feels 41°F |
85% | 2.7 NE | 30.06 | 39.9°F | 27% |
3 AM OvercastUV: 0 |
44°F Feels 40°F |
85% | 2.7 NE | 30.05 | 39.8°F | 27% |
4 AM OvercastUV: 0 |
44°F Feels 40°F |
85% | 2.5 NE | 30.05 | 39.6°F | 27% |
5 AM Partly Cloudy UV: 0 |
43°F Feels 39°F |
88% | 2 NE | 30.05 | 39.4°F | 20% |
6 AM Cloudy UV: 0 |
41°F Feels 38°F |
91% | 1.8 ENE | 30.06 | 38.9°F | 25% |
7 AM OvercastUV: 0 |
42°F Feels 38°F |
89% | 2.2 ENE | 30.06 | 38.5°F | 28% |
8 AM CloudyUV: 0.1 |
44°F Feels 41°F |
79% | 2 ENE | 30.06 | 38.2°F | 17% |
9 AM SunnyUV: 0.5 |
49°F Feels 46°F |
65% | 1.8 N | 30.06 | 38.1°F | 5% |
10 AM Partly CloudyUV: 1.3 |
54°F Feels 50°F |
55% | 2.9 NNW | 30.05 | 37.9°F | 5% |
11 AM SunnyUV: 2.3 |
57°F Feels 52°F |
49% | 4.3 NNW | 30.05 | 37.9°F | 2% |
12 PM SunnyUV: 3.2 |
60°F Feels 55°F |
45% | 4.5 NNW | 30.03 | 38.2°F | 1% |
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