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Newtown, Connecticut

Last updated: 8:34 PM CDT  ·  Refresh
12°C
Feels like 9°
Partly Cloudy
▲ 18°  /  ▼ 9°
Wind
6 mph NE
Humidity
65%
Dew Point
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
53%
Sunrise
6:40 AM
Sunset
6:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Newtown is currently partly cloudy at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:40AM · Sunset: 6:50PM.

27 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
11%
10 PM
12°
21%
11 PM
11°
21%
12 AM
11°
21%
1 AM
10°
14%
2 AM
3%
3 AM
3%
4 AM
3%
5 AM
3%
6 AM
3%
7 AM
10°
3%
8 AM
12°
3%
9 AM
12°
3%
10 AM
14°
3%
11 AM
15°
3%
12 PM
16°
3%
1 PM
17°
3%
2 PM
17°
3%
3 PM
17°
3%
4 PM
18°
3%
5 PM
17°
3%
6 PM
16°
3%
7 PM
16°
3%
8 PM
14°
3%
7-Day Forecast
Tonight
18°
Partly Cloudy.
Wed
18°
Partly Cloudy with a 21% chance of rain.
Thu
18°
Partly Cloudy.
Fri
19° 11°
Overcast with a 68% chance of rain.
Sat
18° 12°
Rain, 90% chance.
Sun
20° 13°
Rain, 81% chance.
Mon
19° 13°
Drizzle, 43% chance.
TimeTempConditionsPrecipWindHumidity
Now 12° Partly Cloudy 11% 6 mph NE 65%
10 PM 12° Mostly Cloudy 21% 6 mph NE 70%
11 PM 11° Partly Cloudy 21% 6 mph NE 70%
12 AM 11° Mostly Cloudy 21% 6 mph NE 71%
1 AM 10° Partly Cloudy 14% 6 mph NNE 72%
2 AM Mostly Cloudy 3% 6 mph NNE 77%
3 AM Mostly Cloudy 3% 6 mph NNE 79%
4 AM Mostly Cloudy 3% 6 mph NNE 81%
5 AM Mostly Cloudy 3% 7 mph NNE 82%
6 AM Mostly Cloudy 3% 8 mph NNE 82%
7 AM 10° Overcast 3% 8 mph NE 81%
8 AM 12° Mostly Cloudy 3% 10 mph NE 77%
9 AM 12° Mostly Cloudy 3% 12 mph NE 72%
10 AM 14° Partly Cloudy 3% 13 mph NE 66%
11 AM 15° Partly Cloudy 3% 13 mph NE 61%
12 PM 16° Partly Cloudy 3% 12 mph NE 56%
1 PM 17° Partly Cloudy 3% 12 mph NE 51%
2 PM 17° Partly Cloudy 3% 12 mph NE 53%
3 PM 17° Partly Cloudy 3% 12 mph NE 52%
4 PM 18° Partly Cloudy 3% 12 mph NE 52%
5 PM 17° Partly Cloudy 3% 11 mph NE 54%
6 PM 16° Partly Cloudy 3% 11 mph NE 58%
7 PM 16° Partly Cloudy 3% 10 mph NE 61%
8 PM 14° Partly Cloudy 3% 10 mph NE 65%
15-Day Forecast
Today
9/22
Partly Cloudy
11%
18°
Wed
9/23
Partly Cloudy
21%
18°
Thu
9/24
Partly Cloudy
15%
18°
Fri
9/25
Overcast
68%
11°
19°
Sat
9/26
Rain
90%
12°
18°
Sun
9/27
Rain
81%
13°
20°
Mon
9/28
Drizzle
43%
13°
19°
Tue
9/29
Clear
3%
12°
24°
Wed
9/30
Drizzle
43%
13°
25°
Thu
10/1
Rain
68%
14°
24°
Fri
10/2
Drizzle
51%
12°
23°
Sat
10/3
Drizzle
60%
12°
23°
Sun
10/4
Drizzle
60%
13°
22°
Mon
10/5
Drizzle
60%
11°
21°
Tue
10/6
Drizzle
60%
10°
19°
27
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
9 AQI 1.7 µg/m³
O3
Ground-level ozone
Dominant
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 27 Good 27 9
Thu 29 Good 29 4
Fri 33 Good 33 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 22, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN
MLCIN0 J/kg
Lifted Index17.2
Kinematics
0–6 km Shear32 kt
0–1 km Shear17 kt
Eff. Shear
0–1 km SRH-99
0–3 km SRH-31
Eff. SRH
Storm Motion358° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index-19.7
Thermo & Levels
PWAT0.46 in
0–3 km LR2.8 °C/km
700–500 LR5.5 °C/km
Total Totals15.0
LCL929 hPa
LFC
EL
Freezing Lvl11,768 ft