Pennsylvania Weather Forecast
Pennsylvania weather: 69°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Pennsylvania weather in January
Weather map for Pennsylvania
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Climate in Pennsylvania month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 36° | 22° | 3,1 in | ★★☆☆☆ |
| February | 41° | 25° | 3,0 in | ★★☆☆☆ |
| March | 57° | 37° | 3,7 in | ★★★☆☆ |
| April | 66° | 46° | 3,4 in | ★★★★☆ |
| May | 72° | 55° | 5,9 in | ★★★★☆ |
| June | 84° | 64° | 3,1 in | ★★★★☆ |
| July | 88° | 70° | 5,0 in | ★★★★☆ |
| August | 83° | 65° | 3,1 in | ★★★★☆ |
| September | 77° | 60° | 2,8 in | ★★★★☆ |
| October | 67° | 48° | 2,1 in | ★★★★☆ |
| November | 54° | 38° | 2,0 in | ★★★☆☆ |
| December | 43° | 29° | 3,2 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Best time to visit Pennsylvania
Go in June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How Pennsylvania compares with nearby places
Annual averages, and the difference against Pennsylvania.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Maryland | 92 mi | 57°F | +35°F warmer | 50 in |
| ZIP Code 20001 | 94 mi | 57°F | +35°F warmer | 47 in |
| Georgetown | 95 mi | 57°F | +35°F warmer | 47 in |
| Washington | 95 mi | 57°F | +35°F warmer | 47 in |
| Area Code 202 | 95 mi | 57°F | +35°F warmer | 47 in |
See the Pennsylvania forecast by time range
Pennsylvania weather - more answers
Explore Pennsylvania
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Pennsylvania?
Pennsylvania is a state in United States. Its coordinates are 40.2732, -76.8867. It lies in North America.
What is the weather like in Pennsylvania right now?
It is currently 69°F (21°C) with overcast. Humidity is 85% and wind is 8 mph.
When is the best time to visit Pennsylvania?
June, July, August, September and October offer the most comfortable conditions in Pennsylvania, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Pennsylvania in?
Pennsylvania observes America/New_York (UTC-04:00). The local time is 10:41 PM.
How many people live in Pennsylvania?
Pennsylvania has a population of approximately 13 million.
What is the nearest airport to Pennsylvania?
The closest airports are Philadelphia International Airport (PHL), 91 mi away, Washington Dulles International Airport (IAD), 96 mi away and Ronald Reagan Washington National Airport (DCA), 99 mi away.
What are the top things to do in Pennsylvania?
Popular options include National Mall, Watkins Glen State Park, Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River and Empire State Building.
What places are in Pennsylvania?
Pennsylvania covers 3 places in this atlas, including Philadelphia, Pittsburgh and Philadelphia County.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 10:41 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
