Pennsylvania, United States Weather

Pennsylvania,  Weather
(Photo by Alan W on Unsplash)

Current conditions

Updated:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 988 hPa

Feel like: 28 °C

Temperature: 25°C

Cloud: 0%

Humidity: 74%

Wind: S - 9 km/h

Visibility: 21.8 km

Weather forecast

Mon
14 Sep
13°C / 20°C
Overcast
Tue
15 Sep
10°C / 22°C
Overcast
Wed
16 Sep
12°C / 24°C
Drizzle
Thu
17 Sep
15°C / 25°C
Moderate Drizzle
Fri
18 Sep
13°C / 25°C
Overcast
Hourly forecast today:
23:00 PM
20° / 25°
20° / 25°
Clear Sky
74% 10 km/h
00:00 AM
19° / 23°
19° / 23°
Overcast
75% 10 km/h
01:00 AM
20° / 22°
20° / 22°
Slight Rain Showers
86% 33 km/h
02:00 AM
18° / 21°
18° / 21°
Overcast
84% 15 km/h
03:00 AM
18° / 21°
18° / 21°
Mainly Clear
85% 11 km/h
04:00 AM
18° / 20°
18° / 20°
Clear Sky
87% 21 km/h
05:00 AM
18° / 20°
18° / 20°
Clear Sky
88% 23 km/h
06:00 AM
16° / 19°
16° / 19°
Overcast
83% 30 km/h
07:00 AM
15° / 19°
15° / 19°
Clear Sky
76% 30 km/h
08:00 AM
14° / 18°
14° / 18°
Clear Sky
80% 31 km/h
09:00 AM
12° / 17°
12° / 17°
Clear Sky
74% 34 km/h

30 Day Averages and Extremes

  • Average high 23.07°C
  • Average low 14.2°C
  • Hottest day 32°C (01 September 2026)
  • Coldest day 5°C (28 September 2026)
  • Average humidity 80.77%
  • Days with precipitation 22 days
  • Highest precipitation 34 mm (13 September 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 12°C
  • Total Precipitation: 1 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 very hot weather in Pennsylvania, with the high temperatures above 28ºC (82.4ºF), consider wearing:
- Sunscreen for skin protection
- UV-protective sunglasses
- Breathable shorts or skirts
- Open-toed sandals or light sneakers

Temperature

Early
18°C / 20°C
Morning
19°C / 20°C
Afternoon
20°C / 22°C
Evening
20°C / 27°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 141
  • NH3 0
  • NO2 1
  • O3 92
  • PM10 6
  • PM25 5
  • SO2 0
  • CH4 1,363

Sunrise / Sunset

10:47
23:21