Heat Advisory — Hartford, CT, Tolland, CT, Windham, CT, Eastern Franklin, MA, Northern Worcester, MA, Central Middlesex County, MA, Western Essex, MA, Eastern Essex, MA, Eastern Hampshire, MA, Eastern Hampden, MA, Southern Worcester, MA, Western Norfolk, MA, Southeast Middlesex, MA, Suffolk, MA, Eastern Norfolk, MA, Northern Bristol, MA, Western Plymouth, MA, Eastern Plymouth, MA, Southern Bristol, MA, Southern Plymouth, MA, Northwest Middlesex County, MA, Northwest Providence, RI, Southeast Providence, RI, Western Kent, RI, Eastern Kent, RI, Bristol, RI, Washington, RI, Newport, RI 7:00 PM

Windham, Connecticut

Last updated: 2:03 AM CDT  ·  Refresh
23°C
Feels like 28°
Mostly Clear
▲ 33°  /  ▼ 21°
Wind
2 mph W
Humidity
96%
Dew Point
23°
Pressure
29.72 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
19%
Sunrise
5:49 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Windham is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1998 J/kg) — isolated convective development possible. Sunrise: 5:49AM · Sunset: 7:59PM.

Alerts

Heat Advisory
Hartford, CT, Tolland, CT, Windham, CT, Eastern Franklin, MA, Northern Worcester, MA, Central Middlesex County, MA, Western Essex, MA, Eastern Essex, MA, Eastern Hampshire, MA, Eastern Hampden, MA, Southern Worcester, MA, Western Norfolk, MA, Southeast Middlesex, MA, Suffolk, MA, Eastern Norfolk, MA, Northern Bristol, MA, Western Plymouth, MA, Eastern Plymouth, MA, Southern Bristol, MA, Southern Plymouth, MA, Northwest Middlesex County, MA, Northwest Providence, RI, Southeast Providence, RI, Western Kent, RI, Eastern Kent, RI, Bristol, RI, Washington, RI, Newport, RI
Expires 7:00 PM
64 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
11%
4 AM
23°
4%
5 AM
21°
4%
6 AM
22°
4%
7 AM
22°
4%
8 AM
23°
4%
9 AM
26°
7%
10 AM
27°
7%
11 AM
28°
8%
12 PM
29°
8%
1 PM
31°
8%
2 PM
32°
8%
3 PM
32°
13%
4 PM
32°
22%
5 PM
33°
32%
6 PM
31°
35%
7 PM
30°
44%
8 PM
28°
44%
9 PM
27°
48%
10 PM
26°
49%
11 PM
26°
37%
12 AM
25°
34%
1 AM
25°
29%
2 AM
23°
34%
7-Day Forecast
Today
33° 21°
Mostly Clear with a 48% chance of rain.
Sat
34° 21°
Partly Cloudy with a 60% chance of rain.
Sun
35° 19°
Overcast.
Mon
32° 17°
Clear with a 45% chance of rain.
Tue
34° 19°
Drizzle, 64% chance.
Wed
32° 18°
Rain, 70% chance.
Thu
31° 17°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 11% 2 mph W 96%
4 AM 23° Clear 4% 2 mph W 96%
5 AM 21° Mostly Clear 4% 3 mph WNW 96%
6 AM 22° Mostly Clear 4% 3 mph WNW 93%
7 AM 22° Mostly Clear 4% 3 mph WNW 90%
8 AM 23° Mostly Clear 4% 4 mph WNW 85%
9 AM 26° Mostly Clear 7% 4 mph WNW 80%
10 AM 27° Mostly Clear 7% 4 mph WNW 73%
11 AM 28° Mostly Clear 8% 4 mph WNW 66%
12 PM 29° Mostly Clear 8% 5 mph W 62%
1 PM 31° Mostly Clear 8% 5 mph W 58%
2 PM 32° Mostly Clear 8% 6 mph W 54%
3 PM 32° Mostly Clear 13% 6 mph W 56%
4 PM 32° Mostly Clear 22% 6 mph WSW 57%
5 PM 33° Partly Cloudy 32% 6 mph WSW 59%
6 PM 31° Mostly Cloudy 35% 4 mph WSW 66%
7 PM 30° Mostly Cloudy 44% 4 mph SW 75%
8 PM 28° Partly Cloudy 44% 4 mph SW 83%
9 PM 27° Mostly Cloudy 48% 4 mph SW 86%
10 PM 26° Overcast 49% 4 mph SW 88%
11 PM 26° Overcast 37% 4 mph SW 90%
12 AM 25° Drizzle 34% 4 mph SW 91%
1 AM 25° Drizzle 29% 3 mph WSW 92%
2 AM 23° Drizzle 34% 3 mph W 93%
15-Day Forecast
Today
8/7
Mostly Clear
48%
21°
33°
Sat
8/8
Partly Cloudy
60%
21°
34°
Sun
8/9
Overcast
17%
19°
35°
Mon
8/10
Clear
45%
17°
32°
Tue
8/11
Drizzle
64%
19°
34°
Wed
8/12
Rain
70%
18°
32°
Thu
8/13
Rain
63%
17°
31°
Fri
8/14
Drizzle
53%
14°
29°
Sat
8/15
Drizzle
44%
14°
29°
Sun
8/16
Drizzle
51%
14°
28°
Mon
8/17
Drizzle
60%
15°
28°
Tue
8/18
Drizzle
60%
16°
29°
Wed
8/19
Drizzle
60%
15°
28°
Thu
8/20
Drizzle
60%
15°
29°
Fri
8/21
Drizzle
60%
16°
29°
64
Moderate
U.S. Air Quality Index · Dominant: O3
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
26 AQI 4.6 µg/m³
O3
Ground-level ozone
Dominant
64 AQI 59 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 64 Moderate 64 26
Sat 61 Moderate 61 39
Sun 97 Moderate 97 44
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 Fri Aug 7, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE932 J/kg
MLCAPE960 J/kg
MUCAPE1198 J/kg
SBCIN-163 J/kg
MLCIN0 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear26 kt
0–1 km Shear16 kt
Eff. Shear30 kt
0–1 km SRH-67
0–3 km SRH-81
Eff. SRH-81
Storm Motion203° @ 21 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.1
Thermo & Levels
PWAT1.90 in
0–3 km LR4.4 °C/km
700–500 LR6.0 °C/km
Total Totals44.5
LCL995 hPa
LFC705 hPa
EL202 hPa
Freezing Lvl15,545 ft