Seattle, Washington

Last updated: 8:57 PM CDT  ·  Refresh
27°C
Feels like 27°
Mostly Clear
▲ 28°  /  ▼ 11°
Wind
5 mph N
Humidity
40%
Dew Point
12°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
4.5
Cloud Cover
12%
Sunrise
5:12 AM
Sunset
9:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Seattle is currently mostly clear at 27°C. Precipitation is likely — peak probability 62% around 6 PM. Atmospheric instability is elevated (CAPE up to 538 J/kg) — isolated convective development possible. Sunrise: 5:12AM · Sunset: 9:11PM.

Alerts

No active alerts for this location.
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
7 PM
26°
21%
8 PM
24°
14%
9 PM
22°
14%
10 PM
21°
3%
11 PM
20°
3%
12 AM
19°
3%
1 AM
15°
3%
2 AM
14°
3%
3 AM
13°
6%
4 AM
12°
6%
5 AM
11°
7%
6 AM
11°
3%
7 AM
11°
3%
8 AM
12°
3%
9 AM
12°
3%
10 AM
13°
3%
11 AM
14°
11%
12 PM
15°
11%
1 PM
21°
21%
2 PM
21°
35%
3 PM
21°
38%
4 PM
22°
39%
5 PM
21°
52%
7-Day Forecast
Tonight
28° 11°
Mostly Clear.
Thu
22° 11°
Drizzle, 61% chance.
Fri
23° 11°
Rain, 72% chance.
Sat
20° 9°
Rain, 69% chance.
Sun
21° 11°
Mostly Cloudy.
Mon
21° 11°
Clear.
Tue
21° 10°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 11% 5 mph N 40%
7 PM 26° Clear 21% 5 mph NE 44%
8 PM 24° Drizzle 14% 4 mph E 49%
9 PM 22° Drizzle 14% 5 mph E 54%
10 PM 21° Partly Cloudy 3% 5 mph SE 58%
11 PM 20° Mostly Clear 3% 4 mph SSE 63%
12 AM 19° Mostly Clear 3% 4 mph SSW 68%
1 AM 15° Mostly Clear 3% 3 mph S 73%
2 AM 14° Partly Cloudy 3% 4 mph SSW 76%
3 AM 13° Mostly Cloudy 6% 4 mph SSW 80%
4 AM 12° Mostly Cloudy 6% 4 mph SSW 84%
5 AM 11° Overcast 7% 5 mph SSW 83%
6 AM 11° Overcast 3% 6 mph SSW 82%
7 AM 11° Overcast 3% 7 mph SSW 80%
8 AM 12° Overcast 3% 7 mph SSW 77%
9 AM 12° Overcast 3% 6 mph SW 73%
10 AM 13° Overcast 3% 6 mph SW 69%
11 AM 14° Overcast 11% 6 mph SW 64%
12 PM 15° Overcast 11% 6 mph SW 59%
1 PM 21° Drizzle 21% 5 mph SW 56%
2 PM 21° Drizzle 35% 5 mph SW 54%
3 PM 21° Drizzle 38% 5 mph SW 52%
4 PM 22° Drizzle 39% 5 mph WSW 50%
5 PM 21° Drizzle 52% 6 mph WSW 54%
15-Day Forecast
Today
6/24
Mostly Clear
14%
11°
28°
Thu
6/25
Drizzle
61%
11°
22°
Fri
6/26
Rain
72%
11°
23°
Sat
6/27
Rain
69%
9°
20°
Sun
6/28
Mostly Cloudy
13%
11°
21°
Mon
6/29
Clear
13%
11°
21°
Tue
6/30
Clear
21%
10°
21°
Wed
7/1
Clear
21%
10°
23°
Thu
7/2
Drizzle
50%
10°
26°
Fri
7/3
Drizzle
53%
11°
24°
Sat
7/4
Clear
28%
11°
22°
Sun
7/5
Clear
20%
11°
24°
Mon
7/6
Clear
20%
11°
28°
Tue
7/7
Clear
20%
11°
28°
Wed
7/8
Drizzle
66%
12°
29°
46
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
46 AQI 8.3 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 35 46
Fri 32 Good 27 32
Sat 30 Good 30 28
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jun 24, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE347 J/kg
MLCAPE223 J/kg
MUCAPE347 J/kg
SBCIN-215 J/kg
MLCIN0 J/kg
Lifted Index-2.6
Kinematics
0–6 km Shear15 kt
0–1 km Shear6 kt
Eff. Shear13 kt
0–1 km SRH-13
0–3 km SRH-39
Eff. SRH-39
Storm Motion194° @ 15 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT1.06 in
0–3 km LR7.9 °C/km
700–500 LR7.0 °C/km
Total Totals54.5
LCL811 hPa
LFC706 hPa
EL339 hPa
Freezing Lvl11,083 ft