Belchertown, Massachusetts

Last updated: 2:59 AM CDT  ·  Refresh
23°C
Feels like 27°
Partly Cloudy
▲ 32°  /  ▼ 21°
Wind
2 mph WSW
Humidity
97%
Dew Point
22°
Pressure
29.54 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
42%
Sunrise
5:48 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Belchertown is currently partly cloudy at 23°C. Precipitation is likely — peak probability 51% around 9 PM. Atmospheric instability is elevated (CAPE up to 1728 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:01PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
26%
4 AM
21°
9%
5 AM
21°
11%
6 AM
21°
7%
7 AM
22°
7%
8 AM
24°
11%
9 AM
26°
11%
10 AM
27°
12%
11 AM
28°
12%
12 PM
30°
16%
1 PM
31°
17%
2 PM
31°
20%
3 PM
31°
22%
4 PM
32°
22%
5 PM
31°
37%
6 PM
29°
37%
7 PM
28°
42%
8 PM
26°
50%
9 PM
26°
51%
10 PM
24°
49%
11 PM
24°
40%
12 AM
24°
36%
1 AM
23°
27%
2 AM
23°
28%
7-Day Forecast
Today
32° 21°
Mostly Clear with a 51% chance of rain.
Sat
32° 21°
Partly Cloudy with a 67% chance of rain.
Sun
34° 18°
Mostly Clear.
Mon
32° 16°
Clear with a 45% chance of rain.
Tue
33° 18°
Drizzle, 56% chance.
Wed
32° 17°
Rain, 72% chance.
Thu
30° 14°
Rain, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 26% 2 mph WSW 97%
4 AM 21° Mostly Clear 9% 2 mph SW 96%
5 AM 21° Mostly Clear 11% 2 mph SW 96%
6 AM 21° Mostly Clear 7% 2 mph WSW 96%
7 AM 22° Partly Cloudy 7% 3 mph WNW 93%
8 AM 24° Partly Cloudy 11% 3 mph WNW 84%
9 AM 26° Partly Cloudy 11% 4 mph WNW 78%
10 AM 27° Partly Cloudy 12% 4 mph WNW 71%
11 AM 28° Mostly Clear 12% 4 mph W 65%
12 PM 30° Mostly Clear 16% 4 mph W 60%
1 PM 31° Mostly Clear 17% 4 mph WSW 55%
2 PM 31° Mostly Clear 20% 4 mph WSW 55%
3 PM 31° Mostly Clear 22% 4 mph WSW 54%
4 PM 32° Clear 22% 4 mph WSW 54%
5 PM 31° Mostly Clear 37% 4 mph SW 61%
6 PM 29° Mostly Clear 37% 4 mph SW 69%
7 PM 28° Partly Cloudy 42% 4 mph SSW 75%
8 PM 26° Partly Cloudy 50% 3 mph SSW 79%
9 PM 26° Partly Cloudy 51% 3 mph SSW 83%
10 PM 24° Drizzle 49% 3 mph SSW 87%
11 PM 24° Mostly Cloudy 40% 3 mph SSW 90%
12 AM 24° Mostly Cloudy 36% 2 mph SW 93%
1 AM 23° Mostly Cloudy 27% 2 mph WSW 96%
2 AM 23° Mostly Cloudy 28% 2 mph WSW 96%
15-Day Forecast
Today
8/7
Mostly Clear
51%
21°
32°
Sat
8/8
Partly Cloudy
67%
21°
32°
Sun
8/9
Mostly Clear
10%
18°
34°
Mon
8/10
Clear
45%
16°
32°
Tue
8/11
Drizzle
56%
18°
33°
Wed
8/12
Rain
72%
17°
32°
Thu
8/13
Rain
67%
14°
30°
Fri
8/14
Drizzle
54%
13°
28°
Sat
8/15
Drizzle
47%
12°
28°
Sun
8/16
Rain
64%
13°
28°
Mon
8/17
Drizzle
60%
13°
27°
Tue
8/18
Drizzle
60%
13°
28°
Wed
8/19
Drizzle
60%
13°
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 34
Sat 47 Good 45 47
Sun 49 Good 45 49
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, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE667 J/kg
MLCAPE484 J/kg
MUCAPE669 J/kg
SBCIN-129 J/kg
MLCIN0 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear29 kt
0–1 km Shear9 kt
Eff. Shear28 kt
0–1 km SRH-51
0–3 km SRH-86
Eff. SRH-86
Storm Motion202° @ 22 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.3
Thermo & Levels
PWAT1.93 in
0–3 km LR4.3 °C/km
700–500 LR6.1 °C/km
Total Totals45.2
LCL994 hPa
LFC676 hPa
EL214 hPa
Freezing Lvl15,512 ft