Ellensburg, Washington

Last updated: 11:19 PM CDT  ·  Refresh
16°C
Feels like 13°
Clear
▲ 21°  /  ▼ 8°
Wind
10 mph NNW
Humidity
64%
Dew Point
8°
Pressure
28.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:17 AM
Sunset
7:45 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ellensburg is currently clear at 16°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:17AM · Sunset: 7:45PM.

Alerts

No active alerts for this location.
25 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
3%
10 PM
16°
7%
11 PM
15°
3%
12 AM
14°
3%
1 AM
13°
3%
2 AM
13°
3%
3 AM
13°
3%
4 AM
12°
3%
5 AM
9°
3%
6 AM
9°
3%
7 AM
11°
3%
8 AM
13°
3%
9 AM
15°
3%
10 AM
17°
3%
11 AM
19°
3%
12 PM
21°
3%
1 PM
24°
3%
2 PM
26°
3%
3 PM
26°
3%
4 PM
27°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
25°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
21° 8°
Clear.
Mon
28° 9°
Mostly Clear.
Tue
28° 11°
Mostly Cloudy.
Wed
21° 9°
Mostly Cloudy with a 60% chance of rain.
Thu
20° 6°
Partly Cloudy with a 29% chance of rain.
Fri
23° 5°
Partly Cloudy with a 22% chance of rain.
Sat
20° 9°
Clear with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 16° Clear 3% 10 mph NNW 64%
10 PM 16° Clear 7% 9 mph NNW 64%
11 PM 15° Clear 3% 8 mph NW 68%
12 AM 14° Clear 3% 6 mph NW 69%
1 AM 13° Clear 3% 5 mph NW 71%
2 AM 13° Clear 3% 4 mph NNW 72%
3 AM 13° Mostly Clear 3% 4 mph NNW 72%
4 AM 12° Partly Cloudy 3% 3 mph N 72%
5 AM 9° Partly Cloudy 3% 2 mph N 70%
6 AM 9° Partly Cloudy 3% 2 mph NNE 65%
7 AM 11° Partly Cloudy 3% 2 mph NE 60%
8 AM 13° Partly Cloudy 3% 1 mph E 54%
9 AM 15° Mostly Clear 3% 2 mph ESE 46%
10 AM 17° Clear 3% 4 mph SE 38%
11 AM 19° Clear 3% 6 mph SE 31%
12 PM 21° Clear 3% 6 mph SE 28%
1 PM 24° Clear 3% 7 mph SE 25%
2 PM 26° Clear 3% 8 mph SE 23%
3 PM 26° Clear 3% 8 mph SE 22%
4 PM 27° Mostly Clear 3% 7 mph ESE 21%
5 PM 28° Mostly Clear 3% 7 mph ESE 21%
6 PM 27° Mostly Clear 3% 6 mph ESE 24%
7 PM 25° Mostly Clear 3% 5 mph ESE 27%
8 PM 23° Mostly Clear 3% 4 mph ESE 29%
15-Day Forecast
Today
8/30
Clear
3%
8°
21°
Mon
8/31
Mostly Clear
3%
9°
28°
Tue
9/1
Mostly Cloudy
14%
11°
28°
Wed
9/2
Mostly Cloudy
60%
9°
21°
Thu
9/3
Partly Cloudy
29%
6°
20°
Fri
9/4
Partly Cloudy
22%
5°
23°
Sat
9/5
Clear
28%
9°
20°
Sun
9/6
Partly Cloudy
15%
8°
28°
Mon
9/7
Partly Cloudy
46%
11°
26°
Tue
9/8
Overcast
27%
10°
26°
Wed
9/9
Clear
26%
10°
29°
Thu
9/10
Clear
25%
11°
25°
Fri
9/11
Clear
25%
11°
24°
Sat
9/12
Clear
25%
9°
23°
Sun
9/13
Drizzle
60%
9°
24°
25
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
17 AQI 3.2 µg/m³
O3
Ground-level ozone
Dominant
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 25 Good 25 17
Tue 33 Good 29 33
Wed 52 Moderate 37 52
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Aug 31, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE15 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index6.8
Kinematics
0–6 km Shear19 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH-20
0–3 km SRH25
Eff. SRH—
Storm Motion339° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.6
Thermo & Levels
PWAT0.96 in
0–3 km LR5.1 °C/km
700–500 LR6.1 °C/km
Total Totals44.2
LCL844 hPa
LFC—
EL—
Freezing Lvl10,262 ft