Dauphin County, Pennsylvania, United States

Last updated: 3:57 AM CDT · Refresh

20°C

Feels like 22°

Overcast

▲ 31° / ▼ 21°

Wind

5 mph SSE

Humidity

98%

Dew Point

20°

Pressure

29.31 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

94%

Sunrise

6:36 AM

Sunset

7:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Dauphin County is currently overcast at 20°C. Precipitation is likely — peak probability 74% around 9 PM. Atmospheric instability is elevated (CAPE up to 2515 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 7:35PM.

44 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

57%

5 AM

19°

54%

6 AM

19°

54%

7 AM

20°

38%

8 AM

21°

26%

9 AM

22°

39%

10 AM

23°

23%

11 AM

25°

33%

12 PM

27°

33%

1 PM

30°

33%

2 PM

30°

36%

3 PM

29°

45%

4 PM

29°

48%

5 PM

29°

58%

6 PM

28°

65%

7 PM

27°

73%

8 PM

26°

73%

9 PM

24°

74%

10 PM

23°

69%

11 PM

23°

60%

12 AM

22°

57%

1 AM

22°

48%

2 AM

22°

48%

3 AM

22°

48%

7-Day Forecast

Today

31° 21°

Partly Cloudy with a 73% chance of rain.

Fri

29° 19°

Partly Cloudy with a 49% chance of rain.

Sat

25° 15°

Partly Cloudy.

Sun

22° 13°

Clear.

Mon

25° 12°

Clear.

Tue

27° 13°

Drizzle, 38% chance.

Wed

26° 17°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Overcast 57% 5 mph SSE 98%

5 AM 19° Rain 54% 2 mph WNW 97%

6 AM 19° Rain 54% 2 mph SSW 97%

7 AM 20° Mostly Cloudy 38% 4 mph S 96%

8 AM 21° Partly Cloudy 26% 5 mph SSW 91%

9 AM 22° Rain 39% 6 mph WSW 85%

10 AM 23° Partly Cloudy 23% 6 mph SW 79%

11 AM 25° Clear 33% 6 mph WSW 73%

12 PM 27° Mostly Clear 33% 7 mph W 68%

1 PM 30° Mostly Clear 33% 8 mph W 62%

2 PM 30° Mostly Clear 36% 8 mph W 63%

3 PM 29° Partly Cloudy 45% 8 mph W 63%

4 PM 29° Mostly Cloudy 48% 8 mph WNW 64%

5 PM 29° Mostly Cloudy 58% 6 mph W 69%

6 PM 28° Mostly Cloudy 65% 5 mph W 74%

7 PM 27° Mostly Cloudy 73% 7 mph WSW 79%

8 PM 26° Mostly Cloudy 73% 6 mph WSW 83%

9 PM 24° Mostly Cloudy 74% 6 mph SW 87%

10 PM 23° Mostly Cloudy 69% 6 mph SW 91%

11 PM 23° Partly Cloudy 60% 6 mph WSW 93%

12 AM 22° Partly Cloudy 57% 6 mph WSW 94%

1 AM 22° Partly Cloudy 48% 6 mph WSW 96%

2 AM 22° Partly Cloudy 48% 5 mph WSW 96%

3 AM 22° Partly Cloudy 48% 6 mph W 96%

15-Day Forecast

Today

9/3

Partly Cloudy

73%

21°

31°

Fri

9/4

Partly Cloudy

49%

19°

29°

Sat

9/5

Partly Cloudy

14%

15°

25°

Sun

9/6

Clear

13°

22°

Mon

9/7

Clear

12°

25°

Tue

9/8

Drizzle

38%

13°

27°

Wed

9/9

Rain

63%

17°

26°

Thu

9/10

Drizzle

43%

16°

32°

Fri

9/11

Drizzle

44%

12°

25°

Sat

9/12

Drizzle

51%

11°

24°

Sun

9/13

Drizzle

60%

16°

28°

Mon

9/14

Drizzle

60%

15°

27°

Tue

9/15

Clear

25%

13°

25°

Wed

9/16

Drizzle

60%

13°

25°

Thu

9/17

Drizzle

60%

14°

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

37 AQI 40 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 44 Good 37 44

Fri 43 Good 36 43

Sat 37 Good 37 34

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, 07:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE59 J/kg

MLCAPE119 J/kg

MUCAPE867 J/kg

SBCIN-257 J/kg

MLCIN-193 J/kg

Lifted Index-1.0

Kinematics

0–6 km Shear44 kt

0–1 km Shear16 kt

Eff. Shear48 kt

0–1 km SRH100

0–3 km SRH135

Eff. SRH160

Storm Motion304° @ 27 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell3.4

K-Index38.5

Thermo & Levels

PWAT1.97 in

0–3 km LR4.1 °C/km

700–500 LR6.5 °C/km

Total Totals52.1

LCL987 hPa

LFC610 hPa

EL458 hPa

Freezing Lvl13,812 ft

Dauphin County, Pennsylvania, United States

Alerts