Stonington, Connecticut

Last updated: 4:30 AM CDT  ·  Refresh
14°C
Feels like 7°
Mostly Cloudy
▲ 17°  /  ▼ 13°
Wind
25 mph NNE
Humidity
86%
Dew Point
12°
Pressure
29,77 inHg
Visibility
9 mi
UV Index
0,0
Cloud Cover
77%
Sunrise
6:39 AM
Sunset
6:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Stonington is currently mostly cloudy at 14°C. Precipitation is likely — peak probability 90% around 10 PM. Sunrise: 6:39AM · Sunset: 6:37PM.

Alerts

No active alerts for this location.
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
14°
70%
6 AM
13°
85%
7 AM
13°
83%
8 AM
13°
81%
9 AM
14°
78%
10 AM
14°
77%
11 AM
14°
76%
12 PM
14°
81%
1 PM
15°
81%
2 PM
16°
81%
3 PM
16°
76%
4 PM
16°
72%
5 PM
14°
76%
6 PM
14°
81%
7 PM
14°
81%
8 PM
14°
85%
9 PM
13°
85%
10 PM
14°
90%
11 PM
13°
90%
12 AM
14°
90%
1 AM
14°
90%
2 AM
14°
90%
3 AM
14°
90%
4 AM
15°
90%
7-Day Forecast
Today
17° 13°
Heavy Rain, 90% chance.
Sun
20° 14°
Overcast with a 90% chance of rain.
Mon
21° 16°
Overcast with a 90% chance of rain.
Tue
20° 14°
Overcast with a 33% chance of rain.
Wed
22° 15°
Rain, 29% chance.
Thu
24° 17°
Clear.
Fri
23° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 14° Mostly Cloudy 70% 25 mph NNE 86%
6 AM 13° Rain 85% 27 mph NNE 89%
7 AM 13° Rain 83% 26 mph NNE 90%
8 AM 13° Rain 81% 26 mph NNE 90%
9 AM 14° Overcast 78% 27 mph NNE 88%
10 AM 14° Overcast 77% 27 mph NNE 86%
11 AM 14° Overcast 76% 27 mph NNE 86%
12 PM 14° Overcast 81% 27 mph NNE 87%
1 PM 15° Overcast 81% 27 mph NNE 88%
2 PM 16° Heavy Rain 81% 28 mph NNE 89%
3 PM 16° Overcast 76% 28 mph NNE 88%
4 PM 16° Overcast 72% 29 mph NNE 88%
5 PM 14° Rain 76% 29 mph NNE 89%
6 PM 14° Heavy Rain 81% 29 mph NNE 90%
7 PM 14° Heavy Rain 81% 29 mph NNE 91%
8 PM 14° Heavy Rain 85% 29 mph NNE 91%
9 PM 13° Heavy Rain 85% 29 mph NNE 92%
10 PM 14° Heavy Rain 90% 29 mph NNE 92%
11 PM 13° Heavy Rain 90% 29 mph NNE 91%
12 AM 14° Heavy Rain 90% 29 mph NNE 91%
1 AM 14° Heavy Rain 90% 29 mph NNE 92%
2 AM 14° Heavy Rain 90% 28 mph NNE 92%
3 AM 14° Heavy Rain 90% 28 mph NNE 93%
4 AM 15° Heavy Rain 90% 27 mph NNE 94%
15-Day Forecast
Today
9/26
Heavy Rain
90%
13°
17°
Sun
9/27
Overcast
90%
14°
20°
Mon
9/28
Overcast
90%
16°
21°
Tue
9/29
Overcast
33%
14°
20°
Wed
9/30
Rain
29%
15°
22°
Thu
10/1
Clear
17%
17°
24°
Fri
10/2
Clear
17%
16°
23°
Sat
10/3
Drizzle
68%
15°
23°
Sun
10/4
Rain
68%
15°
22°
Mon
10/5
Drizzle
60%
12°
20°
Tue
10/6
Rain
90%
9°
19°
Wed
10/7
Drizzle
60%
9°
18°
Thu
10/8
Drizzle
60%
9°
17°
Fri
10/9
Drizzle
60%
9°
18°
Sat
10/10
Drizzle
60%
10°
18°
30
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
15 AQI 2.7 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 15
Sun 31 Good 31 16
Mon 30 Good 30 23
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 sam. sept. 26, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE7 J/kg
MUCAPE8 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index12.7
Kinematics
0–6 km Shear30 kt
0–1 km Shear43 kt
Eff. Shear—
0–1 km SRH291
0–3 km SRH473
Eff. SRH—
Storm Motion78° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index29.9
Thermo & Levels
PWAT1.44 in
0–3 km LR2.6 °C/km
700–500 LR5.6 °C/km
Total Totals39.0
LCL977 hPa
LFC—
EL—
Freezing Lvl13,786 ft