Newtown, Connecticut

Last updated: 4:09 PM CDT  ·  Refresh
33°C
Feels like 36°
Mostly Clear
▲ 33°  /  ▼ 18°
Wind
8 mph WNW
Humidity
47%
Dew Point
20°
Pressure
29.32 inHg
Visibility
10 mi
UV Index
6.6
Cloud Cover
20%
Sunrise
5:25 AM
Sunset
8:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Newtown is currently mostly clear at 33°C. Precipitation is likely — peak probability 85% around 9 PM. Atmospheric instability is elevated (CAPE up to 1144 J/kg) — isolated convective development possible. Sunrise: 5:25AM · Sunset: 8:29PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
51%
6 PM
32°
65%
7 PM
29°
78%
8 PM
26°
84%
9 PM
24°
84%
10 PM
23°
78%
11 PM
23°
67%
12 AM
22°
68%
1 AM
22°
52%
2 AM
22°
49%
3 AM
22°
41%
4 AM
21°
32%
5 AM
18°
36%
6 AM
19°
43%
7 AM
19°
17%
8 AM
20°
17%
9 AM
20°
27%
10 AM
21°
27%
11 AM
22°
37%
12 PM
24°
46%
1 PM
26°
47%
2 PM
25°
47%
3 PM
25°
54%
4 PM
24°
54%
7-Day Forecast
Today
33° 18°
Partly Cloudy with a 84% chance of rain.
Sun
26° 18°
Mostly Cloudy with a 70% chance of rain.
Mon
22° 14°
Heavy Rain, 90% chance.
Tue
19° 13°
Rain, 90% chance.
Wed
27° 14°
Clear.
Thu
30° 18°
Rain, 64% chance.
Fri
31° 19°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 51% 8 mph WNW 47%
6 PM 32° Mostly Clear 65% 7 mph WNW 57%
7 PM 29° Partly Cloudy 78% 7 mph NW 72%
8 PM 26° Partly Cloudy 84% 5 mph NW 85%
9 PM 24° Heavy Rain 84% 5 mph WNW 89%
10 PM 23° Rain 78% 5 mph NNW 92%
11 PM 23° Rain 67% 5 mph NNW 96%
12 AM 22° Rain 68% 5 mph NW 95%
1 AM 22° Rain 52% 4 mph WNW 94%
2 AM 22° Overcast 49% 4 mph WSW 94%
3 AM 22° Overcast 41% 3 mph WNW 94%
4 AM 21° Overcast 32% 3 mph WNW 94%
5 AM 18° Overcast 36% 3 mph NW 94%
6 AM 19° Mostly Cloudy 43% 3 mph NW 93%
7 AM 19° Overcast 17% 3 mph NNW 92%
8 AM 20° Overcast 17% 4 mph N 89%
9 AM 20° Overcast 27% 4 mph NNE 82%
10 AM 21° Overcast 27% 4 mph NNE 75%
11 AM 22° Overcast 37% 4 mph NE 70%
12 PM 24° Overcast 46% 4 mph NE 71%
1 PM 26° Overcast 47% 4 mph ENE 72%
2 PM 25° Overcast 47% 5 mph ENE 74%
3 PM 25° Mostly Cloudy 54% 5 mph E 76%
4 PM 24° Mostly Cloudy 54% 5 mph ENE 79%
15-Day Forecast
Today
7/4
Partly Cloudy
84%
18°
33°
Sun
7/5
Mostly Cloudy
70%
18°
26°
Mon
7/6
Heavy Rain
90%
14°
22°
Tue
7/7
Rain
90%
13°
19°
Wed
7/8
Clear
16%
14°
27°
Thu
7/9
Rain
64%
18°
30°
Fri
7/10
Drizzle
52%
19°
31°
Sat
7/11
Drizzle
42%
18°
27°
Sun
7/12
Rain
68%
17°
25°
Mon
7/13
Drizzle
51%
15°
24°
Tue
7/14
Drizzle
60%
14°
27°
Wed
7/15
Drizzle
60%
18°
28°
Thu
7/16
Drizzle
60%
19°
28°
Fri
7/17
Drizzle
60%
18°
29°
Sat
7/18
Drizzle
60%
18°
29°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.5 µg/m³
O3
Ground-level ozone
49 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 52 Moderate 49 52
Mon 56 Moderate 38 56
Tue 33 Good 29 33
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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2003 J/kg
MLCAPE1679 J/kg
MUCAPE2003 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear28 kt
0–1 km Shear8 kt
Eff. Shear25 kt
0–1 km SRH-29
0–3 km SRH-151
Eff. SRH-151
Storm Motion256° @ 33 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.82 in
0–3 km LR8.2 °C/km
700–500 LR6.1 °C/km
Total Totals50.5
LCL828 hPa
LFC993 hPa
EL165 hPa
Freezing Lvl14,022 ft