Pennsylvania, United States Weather

Pennsylvania,  Weather
(Photo by Alan W on Unsplash)

Current conditions

Updated:
13°C
55.4°F
°C °F

Condition: Overcast

Pressure: 1,001 hPa

Feel like: 13 °C

Temperature: 13°C

Cloud: 100%

Humidity: 90%

Wind: NE - 6 km/h

Visibility: 14.0 km

Weather forecast

Wed
23 Sep
9°C / 17°C
Overcast
Thu
24 Sep
5°C / 18°C
Overcast
Fri
25 Sep
5°C / 21°C
Partly Cloudy
Sat
26 Sep
6°C / 21°C
Overcast
Sun
27 Sep
7°C / 23°C
Overcast
Hourly forecast today:
12:00 PM
12° / 13°
12° / 13°
Overcast
90% 18 km/h
13:00 PM
12° / 14°
12° / 14°
Overcast
88% 19 km/h
14:00 PM
11° / 14°
11° / 14°
Overcast
86% 21 km/h
15:00 PM
11° / 14°
11° / 14°
Overcast
81% 19 km/h
16:00 PM
11° / 14°
11° / 14°
Overcast
79% 24 km/h
17:00 PM
11° / 14°
11° / 14°
Overcast
80% 23 km/h
18:00 PM
11° / 14°
11° / 14°
Overcast
81% 24 km/h
19:00 PM
10° / 14°
10° / 14°
Drizzle Dense Intensity
77% 25 km/h
20:00 PM
10° / 14°
10° / 14°
Moderate Drizzle
76% 24 km/h
21:00 PM
10° / 14°
10° / 14°
Overcast
77% 19 km/h
22:00 PM
11° / 14°
11° / 14°
Overcast
82% 13 km/h

30 Day Averages and Extremes

  • Average high 22.27°C
  • Average low 11.37°C
  • Hottest day 28°C (09 September 2026)
  • Coldest day 5°C (24 September 2026)
  • Average humidity 74.83%
  • Days with precipitation 20 days
  • Highest precipitation 34 mm (13 September 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 13°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Pennsylvania over the next 12 hours

Temperature and possibility of rain in Pennsylvania in the coming days

Rainfall in Pennsylvania in the coming days

Pennsylvania Climate Summary

Pennsylvania features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 10.55ºC (50.99ºF), which is about -2.09% lower than the national average for United States. Annually, the city experiences approximately 71.61 millimeters (2.82 inches) of rainfall, spread across 131.46 rainy days, accounting for 36.02% of the year.

Longitude 41.2033216
Latitude -77.1945247
Yearly high temperature 13.86ºC (56.95ºF)
Yearly low temperature 4.07ºC (39.33ºF)
Hottest month July 27.82ºC (82.08ºF)
Coldest month February -6.44ºC (20.41ºF)
Yearly precip 71.61mm (2.82in)
Days with rainfall 131.46 days (36.02%)
Driest month November (80.31%)
Wettest month April (77.69%)

Weather averages by month

Month High / Low (°C) Rain
January -0.76° / -7.5° 8.91 days
February 1.21° / -6.44° 10.18 days
March 6.41° / -2.37° 10.36 days
April 13.04° / 2.86° 12.82 days
May 20.21° / 8.73° 13.45 days
June 24.64° / 12.27° 12.91 days
July 27.82° / 15.0° 13.73 days
August 26.02° / 13.56° 12.64 days
September 22.34° / 10.73° 9.55 days
October 15.23° / 5.74° 9.73 days
November 7.66° / -0.32° 7.27 days
December 2.5° / -3.46° 9.91 days

Frequently asked questions

1. What is the hottest month in Pennsylvania?

July has the highest average monthly temperature (daily mean of 27.82ºC) and February are the coolest (daily mean of -6.44ºC).

2. What should I wear in Pennsylvania today?

For today's mild weather in Pennsylvania, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Scarf (optional)
- Light jacket (for cooler periods)
- Long-sleeve shirt or blouse
- Sun hat (if spending time outdoors)

Temperature

Early
12°C / 15°C
Morning
12°C / 14°C
Afternoon
11°C / 14°C
Evening
10°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 164
  • NH3 0
  • NO2 3
  • O3 56
  • PM10 4
  • PM25 4
  • SO2 0
  • CH4 1,407

Sunrise / Sunset

10:56
23:05