Climbing Forecast › South Wales — Cardiff Area › Castell Coch Quarry

SOUTH WALES — CARDIFF AREA · LIMESTONE

Castell Coch Quarry climbing conditions

Good — dry and climbable

Right now

Temp18°C
Wind18.7 km/h
Gusts28 km/h
Humidity92%
Rain 48h0mm
Last rainNone recent

Assessment

No recent rain

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Friday 14 August
Good
Temp25°C
Rain0mm
Wind24 km/h
Gusts28 km/h
Humidity65%
No recent rain
  • Limestone should be fine if dry
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 18° 0mm 19 0 92%
07:00 19° 0mm 18 0 86.8%
08:00 21° 0mm 18 0 78.4%
09:00 22° 0mm 18 0 73.2%
10:00 24° 0mm 18 0 65%
11:00 25° 0mm 21 0 57.7%
12:00 26° 0mm 25 0 60.7%
13:00 25° 0mm 26 0 66.5%
14:00 25° 0mm 26 0 68.1%
15:00 24° 0mm 27 0 67%
16:00 24° 0mm 28 0 69.1%
17:00 23° 0mm 28 0 73%
18:00 22° 0mm 26 0 75.4%
19:00 22° 0mm 23 0 78%
20:00 22° 0mm 18 0 76.2%
21:00 21° 0mm 14 0 76.5%
Sat Saturday 15 August
Good
Temp24°C
Rain0mm
Wind14 km/h
Gusts—
Humidity42%
No recent rain
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 16° 0mm 15 0 76.2%
07:00 17° 0mm 13 0 66.3%
08:00 19° 0mm 14 0 59.8%
09:00 20° 0mm 14 0 54.1%
10:00 21° 0mm 12 0 49.3%
11:00 23° 0mm 11 0 45%
12:00 24° 0mm 10 0 43.5%
13:00 24° 0mm 13 0 41.7%
14:00 25° 0mm 17 0 40.1%
15:00 25° 0mm 18 0 38.8%
16:00 25° 0mm 14 0 38.5%
17:00 25° 0mm 13 0 37%
18:00 24° 0mm 15 0 37.2%
19:00 22° 0mm 18 0 45%
20:00 20° 0mm 19 0 60.1%
21:00 19° 0mm 14 0 64.3%
Sun Sunday 16 August
Good
Temp22°C
Rain0.2mm
Wind13 km/h
Gusts—
Humidity44%
No recent rain
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 13° 0mm 12 0 79.2%
07:00 15° 0mm 12 0 69.3%
08:00 17° 0mm 12 0 59.7%
09:00 19° 0mm 10 0 55.3%
10:00 20° 0.2mm 7 0 52.8%
11:00 20° 0mm 7 0 52.5%
12:00 22° 0mm 9 0 48%
13:00 23° 0mm 10 0 43%
14:00 24° 0mm 16 0 37.5%
15:00 24° 0mm 19 0 35.3%
16:00 23° 0mm 21 0 40.2%
17:00 22° 0mm 23 0 51.8%
18:00 21° 0mm 25 0 58.6%
Mon Monday 17 August
Good
Temp24°C
Rain0.2mm
Wind18 km/h
Gusts—
Humidity65%
No recent rain
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 17° 0.18mm 10 0 87.7%
12:00 24° 0mm 18 0 65.3%
18:00 20° 0mm 18 0 79%
Tue Tuesday 18 August
Poor
Temp23°C
Rain1.2mm
Wind24 km/h
Gusts—
Humidity72%
1.2mm rain forecast
  • Wet limestone is dangerously slippery
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 19° 0.03mm 16 0 95%
12:00 23° 0.1mm 24 0 71.7%
18:00 20° 1.08mm 18 0 90.9%
Wed Wednesday 19 August
Good
Temp21°C
Rain0.1mm
Wind14 km/h
Gusts—
Humidity62%
Should be dry
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 15° 0.02mm 8 0 98.9%
12:00 21° 0mm 14 0 61.6%
18:00 18° 0.03mm 16 0 67.1%
Thu Thursday 20 August
Poor
Temp18°C
Rain1.7mm
Wind21 km/h
Gusts—
Humidity75%
1.7mm rain forecast
  • Wet limestone is dangerously slippery
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 14° 0.65mm 13 0 91.5%
12:00 18° 0.22mm 21 0 74.7%
18:00 17° 0.68mm 22 0 71.5%
Fri Friday 21 August
Poor
Temp19°C
Rain0.9mm
Wind26 km/h
Gusts—
Humidity70%
0.9mm rain forecast
  • Wet limestone is dangerously slippery
  • Breezy — helps drying
Time °C Rain Wind Gust Hum
06:00 13° 0.2mm 15 0 95%
12:00 19° 0.15mm 26 0 69.8%
18:00 16° 0.05mm 22 0 77.6%
Sat Saturday 22 August
Good
Temp18°C
Rain0.1mm
Wind12 km/h
Gusts—
Humidity69%
Should be dry
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 13° 0.03mm 6 0 93.1%
12:00 18° 0.02mm 12 0 69%
18:00 17° 0mm 7 0 70.8%
Sun Sunday 23 August
Good
Temp20°C
Rain0.1mm
Wind11 km/h
Gusts—
Humidity53%
Should be dry
  • Limestone should be fine if dry
Time °C Rain Wind Gust Hum
06:00 11° 0.05mm 7 0 94.3%
12:00 20° 0mm 11 0 52.6%
Castell Coch Quarry is a historic limestone quarry hidden in woods near Tongwynlais on the northern edge of Cardiff. The rock character consists of smooth, quarried Carboniferous limestone with delicate friction slabs, sharp pocketed face features, and small crimps. Facing southeast within a wooded valley side, the crag captures morning sun and dries reasonably quickly, though surrounding tree cover can retain humidity after rain. The climbing offers a mix of bolted sport routes and traditional wall climbs from Severe to 7a, with Castell Coch Wall serving as a standout line. The approach takes ten minutes up woodland paths from roadside parking areas in Tongwynlais. Dense summer foliage keeps inner quarry corners damp, making spring and autumn ideal.

About Castell Coch Quarry

Castell Coch Quarry is a historic limestone quarry hidden in woods near Tongwynlais on the northern edge of Cardiff. The rock character consists of smooth, quarried Carboniferous limestone with delicate friction slabs, sharp pocketed face features, and small crimps. Facing southeast within a wooded valley side, the crag captures morning sun and dries reasonably quickly, though surrounding tree cover can retain humidity after rain. The climbing offers a mix of bolted sport routes and traditional wall climbs from Severe to 7a, with Castell Coch Wall serving as a standout line. The approach takes ten minutes up woodland paths from roadside parking areas in Tongwynlais. Dense summer foliage keeps inner quarry corners damp, making spring and autumn ideal.

Region
South Wales — Cardiff Area
Rock type
limestone
Aspect
south-east-facing
Altitude
110m
Exposure
low
Seepage
medium