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

Belchertown, Massachusetts

Last updated: 2:09 AM CDT  ·  Refresh
23°C
Feels like 27°
Mostly Clear
▲ 32°  /  ▼ 20°
Wind
2 mph WSW
Humidity
96%
Dew Point
22°
Pressure
29.58 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
28%
Sunrise
5:48 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Belchertown is currently mostly clear at 23°C. Precipitation is likely — peak probability 58% around 10 PM. Atmospheric instability is elevated (CAPE up to 1565 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:01PM.

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
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
16%
4 AM
23°
7%
5 AM
21°
9%
6 AM
21°
11%
7 AM
22°
4%
8 AM
22°
4%
9 AM
24°
4%
10 AM
26°
9%
11 AM
27°
9%
12 PM
28°
9%
1 PM
30°
10%
2 PM
31°
18%
3 PM
31°
22%
4 PM
31°
22%
5 PM
32°
35%
6 PM
31°
40%
7 PM
30°
44%
8 PM
28°
53%
9 PM
26°
58%
10 PM
26°
58%
11 PM
24°
42%
12 AM
24°
39%
1 AM
24°
39%
2 AM
22°
33%
7-Day Forecast
Today
32° 20°
Mostly Clear with a 58% chance of rain.
Sat
33° 20°
Partly Cloudy with a 68% chance of rain.
Sun
33° 18°
Partly Cloudy.
Mon
32° 16°
Clear with a 53% chance of rain.
Tue
34° 18°
Drizzle, 51% chance.
Wed
32° 17°
Rain, 70% chance.
Thu
31° 16°
Rain, 79% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 16% 2 mph WSW 96%
4 AM 23° Partly Cloudy 7% 2 mph SW 96%
5 AM 21° Mostly Clear 9% 2 mph SSW 96%
6 AM 21° Mostly Clear 11% 2 mph SW 95%
7 AM 22° Mostly Clear 4% 2 mph W 95%
8 AM 22° Mostly Clear 4% 2 mph WNW 91%
9 AM 24° Partly Cloudy 4% 3 mph WNW 84%
10 AM 26° Partly Cloudy 9% 4 mph WNW 76%
11 AM 27° Partly Cloudy 9% 4 mph WNW 69%
12 PM 28° Mostly Clear 9% 4 mph W 64%
1 PM 30° Mostly Clear 10% 4 mph W 59%
2 PM 31° Mostly Clear 18% 4 mph WSW 54%
3 PM 31° Mostly Clear 22% 4 mph WSW 54%
4 PM 31° Mostly Clear 22% 4 mph WSW 54%
5 PM 32° Partly Cloudy 35% 4 mph WSW 55%
6 PM 31° Mostly Clear 40% 4 mph WSW 62%
7 PM 30° Partly Cloudy 44% 4 mph SW 70%
8 PM 28° Partly Cloudy 53% 4 mph SW 77%
9 PM 26° Partly Cloudy 58% 3 mph SW 80%
10 PM 26° Mostly Cloudy 58% 3 mph SSW 83%
11 PM 24° Drizzle 42% 3 mph SSW 86%
12 AM 24° Mostly Cloudy 39% 2 mph SW 89%
1 AM 24° Mostly Cloudy 39% 2 mph WSW 92%
2 AM 22° Overcast 33% 2 mph W 95%
15-Day Forecast
Today
8/7
Mostly Clear
58%
20°
32°
Sat
8/8
Partly Cloudy
68%
20°
33°
Sun
8/9
Partly Cloudy
17%
18°
33°
Mon
8/10
Clear
53%
16°
32°
Tue
8/11
Drizzle
51%
18°
34°
Wed
8/12
Rain
70%
17°
32°
Thu
8/13
Rain
79%
16°
31°
Fri
8/14
Drizzle
61%
13°
29°
Sat
8/15
Drizzle
44%
13°
29°
Sun
8/16
Rain
68%
13°
28°
Mon
8/17
Drizzle
60%
14°
27°
Tue
8/18
Drizzle
60%
14°
28°
Wed
8/19
Drizzle
60%
14°
28°
Thu
8/20
Drizzle
60%
14°
29°
Fri
8/21
Drizzle
60%
14°
29°
44
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
33 AQI 5.9 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 33
Sat 45 Good 45 45
Sun 48 Good 44 48
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
SBCAPE700 J/kg
MLCAPE355 J/kg
MUCAPE700 J/kg
SBCIN-167 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear26 kt
0–1 km Shear9 kt
Eff. Shear26 kt
0–1 km SRH-53
0–3 km SRH-79
Eff. SRH-79
Storm Motion203° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.0
Thermo & Levels
PWAT1.90 in
0–3 km LR4.2 °C/km
700–500 LR6.1 °C/km
Total Totals44.4
LCL991 hPa
LFC646 hPa
EL211 hPa
Freezing Lvl15,390 ft