Climbing Forecast › Pennsylvania › Birdsboro Quarry

PENNSYLVANIA · DIABASE

Birdsboro Quarry climbing conditions

Good — dry and climbable

Right now

Temp60°F
Wind6 mph
Gusts9 mph
Humidity95.4%
Rain 48hdry
Last rainNone recent

Assessment

No recent rain
High humidity (95.4%) — diabase friction compromised, particularly for bouldering
Humidity 95.4% — potential fog/cloud, rock may be damp from condensation

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Friday 21 August
Good
Temp64°F
Raindry
Wind6 mph
Gusts9 mph
Humidity81%
No recent rain
  • Good friction range for diabase
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
07:00 60° dry 6 — 95.4%
08:00 59° dry 6 — 95.2%
09:00 58° dry 6 — 93.4%
10:00 57° dry 6 — 92.3%
11:00 57° dry 6 — 92%
12:00 60° dry 6 — 89.2%
13:00 64° dry 6 — 83.2%
14:00 68° dry 6 — 78.1%
15:00 71° dry 5 — 69.7%
16:00 74° dry 4 — 63.8%
17:00 76° dry 3 — 59.4%
18:00 77° dry 3 — 58%
19:00 77° dry 3 — 57.2%
20:00 78° dry 3 — 56.1%
21:00 77° dry 3 — 56.5%
Sat Saturday 22 August
Good
Temp68°F
Rain0.01 in
Wind6 mph
Gusts—
Humidity88%
No recent rain
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
06:00 64° dry 6 — 94.9%
07:00 64° dry 5 — 96.4%
08:00 64° dry 5 — 97.2%
09:00 63° dry 5 — 97.7%
10:00 64° dry 6 — 97.3%
11:00 65° dry 6 — 96.8%
12:00 65° dry 6 — 95.5%
13:00 67° dry 5 — 91.7%
14:00 69° dry 6 — 85.3%
15:00 72° dry 5 — 80%
16:00 74° dry 6 — 72.3%
17:00 76° 0.01 in 7 — 67.8%
18:00 75° dry 8 — 69.8%
19:00 74° dry 7 — 70.1%
20:00 74° dry 6 — 68%
21:00 74° dry 6 — 70.3%
Sun Sunday 23 August
Poor
Temp70°F
Rain0.02 in
Wind5 mph
Gusts—
Humidity87%
0.4mm rain forecast
  • Wet diabase is slick — let it dry before leading
Time °F Rain Wind (mph) Gust Hum
06:00 66° dry 2 — 94.9%
07:00 66° dry 3 — 93.1%
08:00 66° dry 3 — 95.2%
09:00 65° dry 3 — 97.8%
10:00 65° dry 2 — 98.5%
11:00 65° dry 1 — 97.1%
12:00 67° dry 3 — 92.7%
13:00 68° 0.00 in 5 — 90.3%
14:00 71° 0.01 in 7 — 84.2%
15:00 74° 0.00 in 7 — 76.4%
16:00 76° dry 8 — 70.6%
17:00 78° dry 9 — 65.9%
18:00 79° dry 9 — 62.2%
19:00 79° dry 9 — 58.9%
20:00 79° dry 9 — 55.5%
21:00 78° dry 9 — 55.9%
Mon Monday 24 August
Good
Temp63°F
Rain0.00 in
Wind5 mph
Gusts—
Humidity87%
No recent rain
  • Good friction range for diabase
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
06:00 62° dry 7 — 85.1%
12:00 63° dry 5 — 87.3%
18:00 76° 0.00 in 9 — 50%
Tue Tuesday 25 August
Good
Temp61°F
Raindry
Wind5 mph
Gusts—
Humidity84%
No recent rain
  • Good friction range for diabase
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
06:00 59° dry 4 — 80.9%
12:00 60° dry 5 — 83.8%
18:00 74° dry 6 — 51.7%
Wed Wednesday 26 August
Good
Temp63°F
Raindry
Wind1 mph
Gusts—
Humidity85%
No recent rain
  • Good friction range for diabase
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
06:00 61° dry 4 — 81.2%
12:00 63° dry 1 — 84.5%
18:00 80° dry 8 — 48.1%
Thu Thursday 27 August
Poor
Temp68°F
Rain0.1 in
Wind2 mph
Gusts—
Humidity99%
3.8mm rain forecastHumidity 99% — likely fog/cloud
  • Wet diabase is slick — let it dry before leading
Time °F Rain Wind (mph) Gust Hum
06:00 68° 0.04 in 4 — 98.1%
12:00 68° 0.04 in 2 — 99.1%
18:00 75° 0.07 in 4 — 92.6%
Fri Friday 28 August
Poor
Temp70°F
Rain0.01 in
Wind6 mph
Gusts—
Humidity97%
0.3mm rain forecastHumidity 97% — likely fog/cloud
  • Diabase climbs well when dry
Time °F Rain Wind (mph) Gust Hum
06:00 67° dry 1 — 99.8%
12:00 69° dry 5 — 96.8%
18:00 79° 0.01 in 8 — 72%

About Birdsboro Quarry

Birdsboro Quarry (officially — not "French Creek", which is a separate PA state park) is Pennsylvania's flagship sport-climbing area — a former quarry cutting into Jurassic Newark Basin diabase on Robeson Township land, an hour west of Philadelphia. Diabase is the US name for what British climbers call dolerite: a shallow-intrusive mafic igneous rock, dense and fine-grained, giving steep sport walls with sharp edges. Because the quarry has walls facing multiple directions (Main Wall, Sun Wall, West Wall etc.), the aspect is genuinely various. Mountain Project's top-ranked classics are Orange Sunshine (5.8), Virgin Suicides (5.9+, two pitches), Jenga (5.10a), Laid Back and Well Hung (5.11c), and Groovin' (5.11d). Grade range spans 5.0 to 5.14. Land is owned by Robeson Township, managed by the Birdsboro Municipal Authority, and maintained by the Birdsboro Area Climbers Association: "access is granted to us as a privilege not a right." No swimming or fishing in the reservoirs, no deep water soloing, no fire rings. Climbers must vacate areas 6–13 when the adjacent police shooting range is in use. Free — no fee or permit.

Region
Pennsylvania
Rock type
diabase
Aspect
various-facing
Altitude
299 ft
Exposure
medium
Seepage
low

Other crags in this region

McConnells MillRalph Stover (High Rocks)