Pennsylvania Vejr Prognose
Pennsylvania weather: 12°C, mest klart. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Pennsylvania weather in september
One of the best months og visit Pennsylvania.
september runs 7°C warmer than the annual average in Pennsylvania.
Compare med august.
Vejr map for Pennsylvania
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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in Pennsylvania month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 2° | -5° | 78 mm | ★★☆☆☆ |
| februar | 5° | -4° | 76 mm | ★★☆☆☆ |
| marts | 14° | 3° | 93 mm | ★★★☆☆ |
| april | 19° | 8° | 87 mm | ★★★★☆ |
| maj | 22° | 13° | 149 mm | ★★★★☆ |
| juni | 29° | 18° | 80 mm | ★★★★☆ |
| juli | 31° | 21° | 126 mm | ★★★★☆ |
| august | 28° | 19° | 111 mm | ★★★★☆ |
| september | 25° | 16° | 65 mm | ★★★★☆ |
| oktober | 19° | 9° | 53 mm | ★★★★☆ |
| november | 12° | 3° | 50 mm | ★★★☆☆ |
| december | 6° | -2° | 82 mm | ★★☆☆☆ |
Klima type: Kontinental. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid Pennsylvania
Go in juni, juli, august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.
What og pack, what og skip
- sønglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 18°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.
How Pennsylvania compares med nearby places
Annual averages, and the difference against Pennsylvania.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| maryland | 148 km | 14°C | +2°C warmer | 1284 mm |
| ZIP Code 20001 | 152 km | 14°C | +2°C warmer | 1236 mm |
| Georgetown | 152 km | 14°C | +2°C warmer | 1236 mm |
| Washington | 152 km | 14°C | +2°C warmer | 1232 mm |
| Area Code 202 | 152 km | 14°C | +2°C warmer | 1232 mm |
Se prognosen for Pennsylvania efter tidsinterval
Pennsylvania weather - more answers
Explore Pennsylvania
Every topic we hold for this place, and the same topic for the places around it.
Vejr for related places
Frequently asked questions
Where is Pennsylvania?
Pennsylvania is a state in USA. Its coordinates are 40.2732, -76.8867. It lies in Nordamerika.
What is the weather like in Pennsylvania lige nu?
It is currently 12°C (54°F) med mest klart. Luftfugtighed is 87% and wind is 6 km/h.
When is the best time og visit Pennsylvania?
juni, juli, august, september and oktober offer the most comfortable conditions in Pennsylvania, which has a continental climate. januar, februar 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 3:13 PM.
How many people live in Pennsylvania?
Pennsylvania has a population of approximately 13 million.
What is the nearest airport og Pennsylvania?
The closest airports are Philadelphia International Airport (PHL), 147 km away, Washington Dulles International Airport (IAD), 155 km away and Ronald Reagan Washington National Airport (DCA), 159 km away.
What are the top things og 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. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr 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 oktober 4, 2026 at 3:13 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
