Updated October 2026
Flight 93 National Memorial Weather by Month
Flight 93 National Memorial is warmest in July, when the nearest NOAA climate station averages a high of 84°F and a low of 59°F, and coldest in January, with an average high of 36°F and an average low of 19°F. May is the wettest month, with about 4.1 inches of precipitation.
These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 13.7 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in Flight 93 National Memorial can differ from these, particularly with elevation.
Warmest month
Jul
84°F avg high
Coldest month
Jan
19°F avg low
Wettest month
May
4.1 in avg
Longest days
Jun
14.8 h of daylight
Average weather at Flight 93 by month
| Month | Avg high | Avg low | Precipitation | Daylight |
|---|---|---|---|---|
| January | 36°F | 19°F | 2.8 in | 9.5 h |
| February | 40°F | 19°F | 2.4 in | 10.5 h |
| March | 48°F | 26°F | 3.3 in | 11.7 h |
| April | 62°F | 36°F | 3.6 in | 13.1 h |
| May | 72°F | 46°F | 4.1 in | 14.2 h |
| June | 79°F | 55°F | 4.0 in | 14.8 h |
| July | 84°F | 59°F | 3.2 in | 14.6 h |
| August | 83°F | 58°F | 3.5 in | 13.6 h |
| September | 75°F | 50°F | 3.7 in | 12.2 h |
| October | 64°F | 38°F | 3.1 in | 10.9 h |
| November | 51°F | 30°F | 3.0 in | 9.7 h |
| December | 40°F | 23°F | 3.2 in | 9.2 h |
| Year total | 39.9 in |
NOAA 1991–2020 climate normals from station USC00368011, 13.7 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded Flight 93 is at that time of year.
Flight 93 weather by season
Winter: December to February
Average highs bottom out at 36°F in January, between 40°F in December and 40°F in February, with average lows between 19°F and 23°F. The average low is at or below freezing in all three months. Together the three months average 8.4 inches of precipitation, about 21% of the yearly total and less than in any other season. Daylight is at its shortest, about 9.2 hours in December.
Spring: March to May
Average highs climb from 48°F in March to 72°F in May, with average lows between 26°F and 46°F. The average low is at or below freezing in March. Together the three months average 11 inches of precipitation, about 28% of the yearly total and more than in any other season. Daylight lengthens from about 11.7 hours in March to 14.2 in May.
Summer: June to August
Average highs peak at 84°F in July, between 79°F in June and 83°F in August, with average lows between 55°F and 59°F. Together the three months average 10.7 inches of precipitation, about 27% of the yearly total. Daylight is at its longest, about 14.8 hours in June.
Fall: September to November
Average highs fall from 75°F in September to 51°F in November, with average lows between 30°F and 50°F. The average low is at or below freezing in November. Together the three months average 9.8 inches of precipitation, about 25% of the yearly total. Daylight shortens from about 12.2 hours in September to 9.7 in November.
What the National Park Service says about the weather
Fall-Winter Cooler weather starts in September with warm days and cool nights. The first snowfall of the season occurs by mid-October and extends through late March to mid-April. Daytime temperatures range in the mid-20s to 30s, with periodic warming in the 40s and 50s. The average annual snowfall is approximately 80 inches for Somerset County. Spring-Summer May is more predictable for warmer weather with daytime temperatures in the 60s and 70s. July and August are also mild with highs in the 80s-90s
Weather description courtesy of the National Park Service — official park site.
Today's forecast for Flight 93
Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 40.06°N, 78.89°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.
National Weather Service forecast for Flight 93 National Memorial →
Weather and crowds together
July, the warmest month, sees about 1.6× the visitors of the park's average month. September is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit Flight 93 National Memorial. For hotels, cabins and rentals close to the park, see where to stay near Flight 93.
Where to stay near Flight 93
Picked a month for Flight 93 National Memorial? Compare hotels, cabins and vacation rentals near the park with live availability and prices.
Top-rated places to stay near Flight 93
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Flight 93?
Get crowd forecasts and lodging deals for Flight 93 by email. No spam, unsubscribe anytime.
Frequently Asked Questions
July is the warmest month at Flight 93 National Memorial, with an average high of 84°F and an average low of 59°F. That is the 1991–2020 average at the nearest long-record NOAA station, 13.7 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.
January is the coldest month at Flight 93 National Memorial, with an average low of 19°F and an average high of 36°F, based on NOAA 1991–2020 climate normals.
May is the wettest month, with about 4.1 inches of precipitation. February is the driest, at about 2.4 inches. The station records about 39.9 inches of precipitation in an average year.
Daylight at Flight 93 National Memorial runs from about 9.2 hours a day in December to about 14.8 hours in June, computed from the park's latitude.
Weather at nearby parks
21 mi away · warmest in July (79°F)
31 mi away · warmest in July (81°F)
41 mi away · warmest in July (79°F)
58 mi away · warmest in July (84°F)
74 mi away · warmest in July (86°F)
80 mi away · warmest in July (86°F)
Keep exploring
Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (station USC00368011), daylight computed from latitude, weather description from the National Park Service, crowd levels from National Park Service Visitor Use Statistics (2007–2025). Updated 2026-10-11. Lodging results are provided by Stay22; WhenToVisitParks may earn a commission from bookings, at no extra cost to you.