Best Time to See Bald Eagles in Pennsylvania
April, March and May is the best time to see bald eagles in Pennsylvania. Based on 6,122 verified iNaturalist observations, here is exactly when bald eagles are most active across the year in Pennsylvania.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
6,122 verified observations of bald eagles in Pennsylvania, recorded across 12 months of the year on iNaturalist.
When bald eagles are recorded in Pennsylvania
Peak month
April
868 records (14.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 554 | 9% |
| February | 547 | 8.9% |
| Marchpeak | 661 | 10.8% |
| Aprilpeak | 868 | 14.2% |
| Maypeak | 633 | 10.3% |
| June | 443 | 7.2% |
| July | 305 | 5% |
| August | 302 | 4.9% |
| September | 349 | 5.7% |
| October | 452 | 7.4% |
| November | 530 | 8.7% |
| December | 478 | 7.8% |
Bald Eagles you are most likely to see
| Species | Verified observations |
|---|---|
| Bald Eagle | 6,122 |
Weather to expect, source Open-Meteo
Typical weather in Pennsylvania
Recent typical conditions by month, so you can plan a trip around both when bald eagles are active and what the weather is doing. The best months to look for bald eagles sit around 31 to 70 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 38°F | 23°F | 3.1" |
| Feb | 41°F | 23°F | 3.6" |
| Marbest time | 50°F | 31°F | 3.3" |
| Aprbest time | 60°F | 40°F | 4.1" |
| Maybest time | 70°F | 49°F | 4.1" |
| Jun | 79°F | 59°F | 3.9" |
| Jul | 86°F | 65°F | 3.2" |
| Aug | 84°F | 64°F | 4.3" |
| Sep | 75°F | 57°F | 3.9" |
| Oct | 64°F | 47°F | 4" |
| Nov | 51°F | 35°F | 2.4" |
| Dec | 43°F | 29°F | 4.3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Pennsylvania. Weather varies year to year, so treat these as a guide.
Sightings of bald eagles in Pennsylvania peak in April, when 868 of the year's 6,122 verified observations are logged — about 14.2% of the annual total. Activity stays high through April, March and May.
The quietest stretch is August, July and September, when bald eagles are hardest to find — August sees just 302 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bald eagles you are most likely to encounter in Pennsylvania are Bald Eagle — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see bald eagles in Pennsylvania
- Appalachian National Scenic Trail — National Scenic Trail
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake Bay
- Delaware Water Gap National Recreation Area — National Recreation Area
- Fort Necessity National Battlefield — National Battlefield
- Friendship Hill National Historic Site — National Historic Site
Gear to see them
Frequently asked questions
What is the best month to see bald eagles in Pennsylvania?+
April is the single best month, and the broader peak window runs through April, March and May, based on 6,122 verified iNaturalist observations.
When are bald eagles hardest to see in Pennsylvania?+
August is the quietest month for bald eagles in Pennsylvania, with only 302 verified records.
Are bald eagles active year-round in Pennsylvania?+
Bald eagles are recorded in 12 of 12 months in Pennsylvania, so they can be seen year-round, with a clear peak in April.
More places to see bald eagles
More wildlife in Pennsylvania