Northumberland County, Pennsylvania, United States

Last updated: 4:49 AM CDT · Refresh

20°C

Feels like 21°

Rain

▲ 30° / ▼ 19°

Wind

6 mph SW

Humidity

97%

Dew Point

19°

Pressure

29.25 inHg

Visibility

8 mi

UV Index

0.0

Cloud Cover

86%

Sunrise

6:35 AM

Sunset

7:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently rain at 20°C. Precipitation is likely — peak probability 79% around 6 AM. Atmospheric instability is elevated (CAPE up to 2307 J/kg) — isolated convective development possible. Sunrise: 6:35AM · Sunset: 7:35PM.

44 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

78%

6 AM

18°

79%

7 AM

19°

38%

8 AM

20°

29%

9 AM

21°

26%

10 AM

23°

26%

11 AM

24°

35%

12 PM

26°

35%

1 PM

28°

39%

2 PM

29°

39%

3 PM

29°

39%

4 PM

28°

42%

5 PM

28°

68%

6 PM

27°

69%

7 PM

26°

69%

8 PM

24°

59%

9 PM

23°

64%

10 PM

23°

70%

11 PM

23°

50%

12 AM

22°

43%

1 AM

22°

37%

2 AM

22°

38%

3 AM

21°

38%

4 AM

21°

35%

7-Day Forecast

Today

30° 19°

Partly Cloudy with a 78% chance of rain.

Fri

28° 18°

Partly Cloudy with a 54% chance of rain.

Sat

24° 14°

Overcast.

Sun

24° 11°

Partly Cloudy.

Mon

26° 11°

Clear.

Tue

27° 11°

Drizzle, 43% chance.

Wed

26° 16°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Rain 78% 6 mph SW 97%

6 AM 18° Mostly Cloudy 79% 6 mph SSW 97%

7 AM 19° Mostly Cloudy 38% 5 mph SSW 96%

8 AM 20° Mostly Cloudy 29% 5 mph SW 92%

9 AM 21° Mostly Cloudy 26% 5 mph SW 88%

10 AM 23° Mostly Cloudy 26% 6 mph SW 84%

11 AM 24° Partly Cloudy 35% 6 mph SW 79%

12 PM 26° Partly Cloudy 35% 7 mph WSW 74%

1 PM 28° Partly Cloudy 39% 7 mph WSW 70%

2 PM 29° Partly Cloudy 39% 7 mph W 68%

3 PM 29° Partly Cloudy 39% 7 mph W 69%

4 PM 28° Partly Cloudy 42% 7 mph W 69%

5 PM 28° Mostly Cloudy 68% 5 mph W 73%

6 PM 27° Mostly Cloudy 69% 3 mph W 77%

7 PM 26° Mostly Cloudy 69% 3 mph SSW 81%

8 PM 24° Rain 59% 3 mph S 84%

9 PM 23° Rain 64% 3 mph SSW 87%

10 PM 23° Rain 70% 3 mph SSW 90%

11 PM 23° Rain 50% 4 mph WSW 93%

12 AM 22° Drizzle 43% 4 mph SW 94%

1 AM 22° Drizzle 37% 4 mph SW 94%

2 AM 22° Partly Cloudy 38% 4 mph SW 94%

3 AM 21° Partly Cloudy 38% 4 mph SW 94%

4 AM 21° Partly Cloudy 35% 4 mph SW 95%

15-Day Forecast

Today

9/3

Partly Cloudy

78%

19°

30°

Fri

9/4

Partly Cloudy

54%

18°

28°

Sat

9/5

Overcast

14°

24°

Sun

9/6

Partly Cloudy

15%

11°

24°

Mon

9/7

Clear

11°

26°

Tue

9/8

Drizzle

43%

11°

27°

Wed

9/9

Rain

63%

16°

26°

Thu

9/10

Drizzle

43%

14°

32°

Fri

9/11

Drizzle

44%

10°

25°

Sat

9/12

Drizzle

51%

10°

24°

Sun

9/13

Drizzle

60%

15°

28°

Mon

9/14

Drizzle

60%

14°

27°

Tue

9/15

Clear

25%

12°

25°

Wed

9/16

Drizzle

60%

12°

25°

Thu

9/17

Drizzle

60%

13°

25°

Good

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

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

44 AQI 7.9 µg/m³

O₃

Ground-level ozone

43 AQI 46 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 44 Good 43 44

Fri 34 Good 34 32

Sat 32 Good 32 32

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 Thu Sep 3, 08:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE15 J/kg

MUCAPE204 J/kg

SBCIN—

MLCIN0 J/kg

Lifted Index0.6

Kinematics

0–6 km Shear36 kt

0–1 km Shear8 kt

Eff. Shear24 kt

0–1 km SRH0

0–3 km SRH3

Eff. SRH29

Storm Motion317° @ 28 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.1

K-Index36.9

Thermo & Levels

PWAT2.02 in

0–3 km LR4.1 °C/km

700–500 LR6.1 °C/km

Total Totals46.6

LCL982 hPa

LFC—

EL—

Freezing Lvl13,622 ft

Northumberland County, Pennsylvania, United States

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