Montgomery County, Pennsylvania, United States

Last updated: 7:28 PM CDT · Refresh

23°C

Feels like 26°

Rain

▲ 29° / ▼ 21°

Wind

6 mph S

Humidity

92%

Dew Point

21°

Pressure

29.42 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

93%

Sunrise

5:49 AM

Sunset

8:25 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently rain at 23°C. Precipitation is likely — peak probability 68% around 8 PM. Atmospheric instability is elevated (CAPE up to 966 J/kg) — isolated convective development possible. Sunrise: 5:49AM · Sunset: 8:25PM.

82 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

67%

9 PM

23°

56%

10 PM

23°

66%

11 PM

23°

51%

12 AM

22°

41%

1 AM

22°

60%

2 AM

22°

47%

3 AM

21°

47%

4 AM

21°

43%

5 AM

21°

27%

6 AM

21°

36%

7 AM

22°

16%

8 AM

23°

14%

9 AM

24°

25%

10 AM

26°

22%

11 AM

26°

25%

12 PM

26°

23%

1 PM

26°

23%

2 PM

27°

24%

3 PM

28°

24%

4 PM

28°

24%

5 PM

27°

22%

6 PM

27°

20%

7 PM

26°

10%

7-Day Forecast

Tonight

29° 21°

Rain, 67% chance.

Wed

28° 18°

Partly Cloudy with a 47% chance of rain.

Thu

28° 16°

Clear.

Fri

27° 17°

Partly Cloudy.

Sat

28° 17°

Partly Cloudy.

Sun

29° 17°

Drizzle, 62% chance.

Mon

30° 19°

Drizzle, 64% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Rain 67% 6 mph S 92%

9 PM 23° Overcast 56% 7 mph SSW 93%

10 PM 23° Rain 66% 6 mph SSW 93%

11 PM 23° Overcast 51% 7 mph SSW 94%

12 AM 22° Mostly Cloudy 41% 7 mph SW 94%

1 AM 22° Mostly Cloudy 60% 8 mph SW 93%

2 AM 22° Mostly Cloudy 47% 8 mph SW 94%

3 AM 21° Mostly Cloudy 47% 8 mph SW 93%

4 AM 21° Mostly Cloudy 43% 8 mph SSW 94%

5 AM 21° Mostly Cloudy 27% 8 mph SSW 93%

6 AM 21° Partly Cloudy 36% 8 mph SW 90%

7 AM 22° Partly Cloudy 16% 8 mph SW 87%

8 AM 23° Partly Cloudy 14% 9 mph WSW 83%

9 AM 24° Partly Cloudy 25% 10 mph W 76%

10 AM 26° Partly Cloudy 22% 10 mph W 70%

11 AM 26° Partly Cloudy 25% 11 mph W 66%

12 PM 26° Partly Cloudy 23% 11 mph W 65%

1 PM 26° Partly Cloudy 23% 10 mph W 64%

2 PM 27° Partly Cloudy 24% 10 mph W 62%

3 PM 28° Partly Cloudy 24% 10 mph W 57%

4 PM 28° Mostly Clear 24% 10 mph W 54%

5 PM 27° Mostly Clear 22% 10 mph W 53%

6 PM 27° Mostly Clear 20% 9 mph W 56%

7 PM 26° Clear 10% 8 mph W 59%

15-Day Forecast

Today

7/21

Rain

67%

21°

29°

Wed

7/22

Partly Cloudy

47%

18°

28°

Thu

7/23

Clear

16°

28°

Fri

7/24

Partly Cloudy

13%

17°

27°

Sat

7/25

Partly Cloudy

17°

28°

Sun

7/26

Drizzle

62%

17°

29°

Mon

7/27

Drizzle

64%

19°

30°

Tue

7/28

Rain

66%

19°

29°

Wed

7/29

Rain

66%

18°

28°

Thu

7/30

Drizzle

54%

18°

28°

Fri

7/31

Drizzle

60%

18°

30°

Sat

8/1

Drizzle

60%

19°

28°

Sun

8/2

Drizzle

60%

19°

29°

Mon

8/3

Drizzle

60%

20°

29°

Tue

8/4

Drizzle

90%

21°

30°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

82 AQI 26.0 µg/m³

O₃

Ground-level ozone

32 AQI 36 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 82 Moderate 32 82

Thu 55 Moderate 34 55

Fri 58 Moderate 37 58

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Jul 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE397 J/kg

MLCAPE824 J/kg

MUCAPE1272 J/kg

SBCIN-177 J/kg

MLCIN0 J/kg

Lifted Index-2.7

Kinematics

0–6 km Shear43 kt

0–1 km Shear29 kt

Eff. Shear43 kt

0–1 km SRH195

0–3 km SRH195

Eff. SRH195

Storm Motion224° @ 38 kt

0–1 km EHI0.5

Composite Parameters

Sig. Tornado0.7

STP (eff)0.1

Supercell5.5

K-Index36.7

Thermo & Levels

PWAT2.11 in

0–3 km LR4.6 °C/km

700–500 LR6.3 °C/km

Total Totals50.3

LCL970 hPa

LFC686 hPa

EL274 hPa

Freezing Lvl14,196 ft

Montgomery County, Pennsylvania, United States

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