Pennsylvania 天氣 預報
Pennsylvania weather: 8°C, 晴朗. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.
Pennsylvania weather in 八月
One of the best months至visit Pennsylvania.
八月 runs 10°C warmer than the annual average in Pennsylvania.
天氣 map for Pennsylvania
Animated model layers. Pick a layer至load it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
氣候 in Pennsylvania month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 2° | -5° | 78 mm | ★★☆☆☆ |
| 二月 | 5° | -4° | 76 mm | ★★☆☆☆ |
| 三月 | 14° | 3° | 93 mm | ★★★☆☆ |
| 四月 | 19° | 8° | 87 mm | ★★★★☆ |
| 五月 | 22° | 13° | 149 mm | ★★★★☆ |
| 六月 | 29° | 18° | 80 mm | ★★★★☆ |
| 七月 | 31° | 21° | 126 mm | ★★★★☆ |
| 八月 | 28° | 19° | 111 mm | ★★★★☆ |
| 九月 | 25° | 16° | 65 mm | ★★★★☆ |
| 十月 | 19° | 9° | 53 mm | ★★★★☆ |
| 十一月 | 12° | 3° | 50 mm | ★★★☆☆ |
| 十二月 | 6° | -2° | 82 mm | ★★☆☆☆ |
氣候 type: 洲al. 來源： Open-Meteo archive (ERA5).
最佳旅遊時間 Pennsylvania
Go in 六月, 七月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What至pack, what至skip
- Layers - the daily swing is 22°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
How Pennsylvania compares，天氣為nearby places
Annual averages, and the difference against Pennsylvania.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| 三月yland | 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 |
查看 Pennsylvania 的分時預報
Pennsylvania weather - more answers
Explore Pennsylvania
Every topic we hold for this place, and the same topic for the places around it.
天氣 for related places
Frequently asked questions
Where is Pennsylvania?
Pennsylvania is a state in 美國. Its coordinates are 40.2732, -76.8867. It lies in 北美洲.
What is the weather like in Pennsylvania現在?
It is currently 8°C (46°F)，天氣為晴朗. 濕度 is 66% and wind is 7 km/h.
When is the best time至visit Pennsylvania?
六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Pennsylvania, which has a continental climate. 一月, 二月 and 十二月 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 2:07 AM.
How many people live in Pennsylvania?
Pennsylvania has a population of approximately 13 million.
What is the nearest airport至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至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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 十月 25, 2026 at 2:07 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
