Excessive Heat Watch 7:00 PM Excessive Heat Warning — Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA, Kent, MD, Queen Anne's, MD, Talbot, MD, Caroline, MD, Berks, PA, Lehigh, PA, Northampton, PA, Western Chester, PA, Western Montgomery, PA, Upper Bucks, PA, Somerset, NJ, Middlesex, NJ, Western Monmouth, NJ, Eastern Monmouth, NJ, Ocean, NJ, Southeastern Burlington, NJ, Cumberland, NJ, Atlantic, NJ, Cape May, NJ, Carbon, PA, Monroe, PA, Atlantic Coastal Cape May, NJ, Coastal Atlantic, NJ, Coastal Ocean, NJ 7:00 PM

Northampton County, Pennsylvania, United States

Last updated: 8:28 PM CDT  ·  Refresh
30°C
Feels like 34°
Clear
▲ 37°  /  ▼ 23°
Wind
5 mph W
Humidity
62%
Dew Point
22°
Pressure
29.35 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
5:34 AM
Sunset
8:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northampton County is currently clear at 30°C. Precipitation is likely — peak probability 51% around 9 PM. Atmospheric instability is elevated (CAPE up to 2499 J/kg) — isolated convective development possible. Sunrise: 5:34AM · Sunset: 8:36PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
Excessive Heat Warning
Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA, Kent, MD, Queen Anne's, MD, Talbot, MD, Caroline, MD, Berks, PA, Lehigh, PA, Northampton, PA, Western Chester, PA, Western Montgomery, PA, Upper Bucks, PA, Somerset, NJ, Middlesex, NJ, Western Monmouth, NJ, Eastern Monmouth, NJ, Ocean, NJ, Southeastern Burlington, NJ, Cumberland, NJ, Atlantic, NJ, Cape May, NJ, Carbon, PA, Monroe, PA, Atlantic Coastal Cape May, NJ, Coastal Atlantic, NJ, Coastal Ocean, NJ
Expires 7:00 PM
71 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
13%
10 PM
29°
23%
11 PM
29°
23%
12 AM
28°
23%
1 AM
27°
21%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
23°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
28°
5%
9 AM
30°
10%
10 AM
32°
14%
11 AM
33°
32%
12 PM
34°
32%
1 PM
36°
33%
2 PM
36°
33%
3 PM
36°
34%
4 PM
37°
34%
5 PM
36°
42%
6 PM
34°
32%
7 PM
33°
36%
8 PM
32°
45%
7-Day Forecast
Tonight
37° 23°
Clear.
Fri
37° 23°
Clear with a 51% chance of rain.
Sat
35° 22°
Clear with a 37% chance of rain.
Sun
30° 20°
Partly Cloudy with a 86% chance of rain.
Mon
28° 19°
Heavy Rain, 90% chance.
Tue
29° 18°
Rain, 51% chance.
Wed
28° 18°
Rain, 29% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Clear 13% 5 mph W 62%
10 PM 29° Clear 23% 6 mph W 63%
11 PM 29° Clear 23% 5 mph W 66%
12 AM 28° Clear 23% 5 mph WNW 71%
1 AM 27° Clear 21% 4 mph NW 75%
2 AM 26° Clear 3% 4 mph NW 77%
3 AM 26° Clear 3% 4 mph NW 77%
4 AM 26° Clear 3% 4 mph NW 76%
5 AM 23° Clear 3% 4 mph WNW 77%
6 AM 24° Clear 3% 4 mph WNW 76%
7 AM 26° Clear 3% 4 mph WNW 74%
8 AM 28° Clear 5% 6 mph WNW 69%
9 AM 30° Clear 10% 6 mph W 64%
10 AM 32° Clear 14% 7 mph W 58%
11 AM 33° Clear 32% 8 mph W 54%
12 PM 34° Clear 32% 10 mph W 51%
1 PM 36° Clear 33% 11 mph W 48%
2 PM 36° Clear 33% 11 mph W 46%
3 PM 36° Clear 34% 10 mph W 47%
4 PM 37° Clear 34% 10 mph W 47%
5 PM 36° Clear 42% 9 mph W 50%
6 PM 34° Clear 32% 8 mph W 55%
7 PM 33° Mostly Clear 36% 8 mph W 60%
8 PM 32° Mostly Clear 45% 7 mph W 64%
15-Day Forecast
Today
7/2
Clear
13%
23°
37°
Fri
7/3
Clear
51%
23°
37°
Sat
7/4
Clear
37%
22°
35°
Sun
7/5
Partly Cloudy
86%
20°
30°
Mon
7/6
Heavy Rain
90%
19°
28°
Tue
7/7
Rain
51%
18°
29°
Wed
7/8
Rain
29%
18°
28°
Thu
7/9
Rain
27%
18°
30°
Fri
7/10
Rain
69%
18°
31°
Sat
7/11
Drizzle
66%
18°
30°
Sun
7/12
Drizzle
60%
18°
33°
Mon
7/13
Drizzle
60%
17°
32°
Tue
7/14
Drizzle
60%
17°
29°
Wed
7/15
Drizzle
60%
17°
29°
Thu
7/16
Drizzle
60%
17°
29°
71
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
65 AQI 16.8 µg/m³
O3
Ground-level ozone
Dominant
71 AQI 62 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 71 Moderate 71 65
Sat 49 Good 49 44
Sun 50 Good 50 36
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 Thu Jul 2, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1505 J/kg
MLCAPE1645 J/kg
MUCAPE1882 J/kg
SBCIN-379 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear24 kt
0–1 km Shear17 kt
Eff. Shear16 kt
0–1 km SRH-10
0–3 km SRH-49
Eff. SRH-58
Storm Motion259° @ 28 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.9
Thermo & Levels
PWAT1.49 in
0–3 km LR5.8 °C/km
700–500 LR6.7 °C/km
Total Totals49.1
LCL878 hPa
LFC686 hPa
EL185 hPa
Freezing Lvl14,911 ft