Killingworth, Connecticut

Last updated: 12:31 AM CDT  ·  Refresh
20°C
Feels like 22°
Mostly Cloudy
▲ 23°  /  ▼ 17°
Wind
3 mph SSE
Humidity
90%
Dew Point
18°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
77%
Sunrise
6:16 AM
Sunset
7:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Killingworth is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 90% around 4 PM. Atmospheric instability is elevated (CAPE up to 740 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 7:23PM.

Alerts

No active alerts for this location.
35 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
52%
2 AM
21°
75%
3 AM
21°
75%
4 AM
21°
76%
5 AM
19°
76%
6 AM
20°
77%
7 AM
20°
77%
8 AM
21°
61%
9 AM
21°
59%
10 AM
21°
67%
11 AM
22°
76%
12 PM
22°
72%
1 PM
23°
62%
2 PM
23°
62%
3 PM
23°
70%
4 PM
23°
90%
5 PM
23°
80%
6 PM
23°
64%
7 PM
22°
60%
8 PM
22°
57%
9 PM
21°
53%
10 PM
21°
53%
11 PM
20°
47%
12 AM
20°
57%
7-Day Forecast
Today
23° 17°
Rain, 90% chance.
Wed
24° 17°
Overcast with a 53% chance of rain.
Thu
28° 19°
Haze with a 84% chance of rain.
Fri
28° 17°
Clear.
Sat
26° 15°
Clear.
Sun
23° 14°
Clear.
Mon
24° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Mostly Cloudy 52% 3 mph SSE 90%
2 AM 21° Mostly Cloudy 75% 4 mph SSE 92%
3 AM 21° Overcast 75% 4 mph SSE 94%
4 AM 21° Overcast 76% 4 mph S 96%
5 AM 19° Overcast 76% 4 mph S 96%
6 AM 20° Rain 77% 3 mph S 96%
7 AM 20° Overcast 77% 4 mph SSE 96%
8 AM 21° Overcast 61% 4 mph S 95%
9 AM 21° Overcast 59% 5 mph S 94%
10 AM 21° Overcast 67% 5 mph S 94%
11 AM 22° Overcast 76% 5 mph S 94%
12 PM 22° Overcast 72% 5 mph S 94%
1 PM 23° Overcast 62% 5 mph SSE 94%
2 PM 23° Overcast 62% 6 mph SSE 94%
3 PM 23° Rain 70% 6 mph SSE 94%
4 PM 23° Rain 90% 6 mph SSE 95%
5 PM 23° Rain 80% 6 mph SE 96%
6 PM 23° Rain 64% 6 mph ESE 96%
7 PM 22° Rain 60% 5 mph E 97%
8 PM 22° Rain 57% 6 mph ENE 97%
9 PM 21° Overcast 53% 6 mph ENE 97%
10 PM 21° Overcast 53% 7 mph ENE 97%
11 PM 20° Overcast 47% 7 mph ENE 97%
12 AM 20° Overcast 57% 7 mph ENE 96%
15-Day Forecast
Today
9/1
Rain
90%
17°
23°
Wed
9/2
Overcast
53%
17°
24°
Thu
9/3
Haze
84%
19°
28°
Fri
9/4
Clear
14%
17°
28°
Sat
9/5
Clear
16%
15°
26°
Sun
9/6
Clear
8%
14°
23°
Mon
9/7
Clear
17%
15°
24°
Tue
9/8
Rain
68%
13°
24°
Wed
9/9
Drizzle
44%
10°
25°
Thu
9/10
Drizzle
51%
13°
27°
Fri
9/11
Drizzle
60%
18°
28°
Sat
9/12
Drizzle
60%
17°
28°
Sun
9/13
Drizzle
60%
16°
24°
Mon
9/14
Drizzle
60%
15°
24°
Tue
9/15
Drizzle
60%
15°
24°
35
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
35 AQI 6.3 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 34 35
Wed 42 Good 40 42
Thu 24 Good 24 9
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 Tue Sep 1, 04:00'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
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.8
Kinematics
0–6 km Shear36 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH36
0–3 km SRH117
Eff. SRH—
Storm Motion328° @ 23 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index30.6
Thermo & Levels
PWAT1.71 in
0–3 km LR4.6 °C/km
700–500 LR5.4 °C/km
Total Totals41.4
LCL980 hPa
LFC—
EL—
Freezing Lvl13,868 ft