Valley Forge National Historical Park in August
In August, Valley Forge National Historical Park averages a high of 86°F and a low of 64°F, with 4.4 inches of precipitation (rain plus melted snow). About 195,000 people visit, the 5th busiest of 12 (very busy). Days are 13 hours 45 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 86° / 64°F
- Precipitation
- 4.4in
- Snow
- –in
- Daylight
- 13h 45m
- Visitors
- 195,000
- Crowds
- Very busy
Best months for weather and crowds instead: April (busy), May (very busy) and November (busy).
Weather 1991–2020 averages at Phoenixville 1 E, PA, 3 miles from the park's center, 85 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Independence National Historical Park | 87° / 70° | Very busy | Hot |
| Delaware Water Gap National Recreation Area | 82° / 60° | Very busy | Hot |
| Statue of Liberty National Monument | 83° / 69° | Very busy | Hot |
| Castle Clinton National Monument | 83° / 69° | Very busy | Hot |
| Stonewall National Monument | 83° / 69° | Few or no visits | Hot |
Closures, reservations and alerts: Valley Forge National Historical Park on nps.gov
All twelve months at Valley Forge National Historical Park · National parks to visit in August