Right now

Temp17°C

Wind29 km/h

Gusts44 km/h

Humidity81.3%

Rain 48hdry

Last rainNone recent

Assessment

No recent rain

Windy — 27 km/h, gusts 0 km/h

Windy — 29 km/h, gusts 44 km/h. Take care on exposed routes

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Sunday 6 September

Caution

Temp19°C

Raindry

Wind27 km/h

Gusts44 km/h

Humidity81%

No recent rainWindy — 27 km/h, gusts 0 km/h

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 17° dry 29 — 81.3%

07:00 17° dry 28 — 83.1%

08:00 17° dry 26 — 85.5%

09:00 18° dry 30 — 85.7%

10:00 18° dry 32 — 79.7%

11:00 19° dry 32 — 74.7%

12:00 19° dry 30 — 76.2%

13:00 19° dry 26 — 78.4%

14:00 19° dry 25 — 82%

15:00 19° dry 22 — 85.5%

16:00 19° dry 21 — 88.6%

17:00 19° dry 20 — 90.2%

18:00 18° dry 18 — 93.2%

19:00 18° dry 19 — 95.4%

20:00 18° dry 20 — 97.1%

21:00 18° dry 22 — 96.1%

Mon Monday 7 September

Poor

Temp17°C

Rain0.8mm

Wind28 km/h

Gusts—

Humidity74%

0.8mm rain forecastWindy — 28 km/h, gusts 0 km/h

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 17° dry 29 — 74.3%

07:00 17° dry 27 — 77.3%

08:00 17° dry 21 — 77.3%

09:00 17° dry 22 — 76.4%

10:00 17° dry 21 — 77.5%

11:00 17° dry 19 — 77%

12:00 17° dry 25 — 74.8%

13:00 17° dry 28 — 73.2%

14:00 17° dry 29 — 72.9%

15:00 17° dry 34 — 73.1%

16:00 17° dry 36 — 72.1%

17:00 17° dry 39 — 73.1%

18:00 17° dry 44 — 73.4%

19:00 17° 0.1mm 44 — 77.1%

20:00 16° 0.2mm 45 — 79%

21:00 17° 0.1mm 46 — 78%

Tue Tuesday 8 September

Poor

Temp16°C

Rain1mm

Wind30 km/h

Gusts—

Humidity70%

1.1mm rain forecastWindy — 30 km/h, gusts 0 km/h

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 15° dry 32 — 70.1%

07:00 16° dry 31 — 68.7%

08:00 16° dry 28 — 64.7%

09:00 16° 0.1mm 31 — 69.4%

10:00 16° dry 28 — 72%

11:00 16° dry 30 — 70.9%

12:00 16° dry 31 — 65.4%

13:00 16° dry 30 — 69%

14:00 16° dry 28 — 69.9%

15:00 16° dry 30 — 70.8%

16:00 16° dry 32 — 69.4%

17:00 16° dry 34 — 68.3%

18:00 16° dry 37 — 69%

Wed Wednesday 9 September

Good

Temp15°C

Rain0.2mm

Wind20 km/h

Gusts—

Humidity71%

Should be dry

Good conditions for granite

Time °C Rain Wind (km/h) Gust Hum

06:00 15° dry 29 — 74%

12:00 15° dry 20 — 71.4%

18:00 15° dry 17 — 74.8%

Thu Thursday 10 September

Poor

Temp17°C

Rain0.7mm

Wind28 km/h

Gusts—

Humidity88%

0.7mm rain forecastWindy — 28 km/h, gusts 0 km/hHumidity 88% — potential fog

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 16° dry 24 — 82.9%

12:00 17° dry 28 — 87.7%

18:00 17° dry 22 — 85.1%

Fri Friday 11 September

Poor

Temp16°C

Rain0.3mm

Wind26 km/h

Gusts—

Humidity83%

0.3mm rain forecastWindy — 26 km/h, gusts 0 km/h

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 16° 0.1mm 31 — 88.6%

12:00 16° dry 26 — 83.3%

18:00 16° dry 23 — 71.4%

Sat Saturday 12 September

Poor

Temp16°C

Rain2mm

Wind24 km/h

Gusts—

Humidity68%

1.7mm rain forecast

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 16° dry 8 — 65.2%

12:00 16° 0.9mm 24 — 68.3%

18:00 17° 0.8mm 31 — 85.9%

Sun Sunday 13 September

Poor

Temp18°C

Rain0.3mm

Wind30 km/h

Gusts—

Humidity86%

0.3mm rain forecastWindy — 30 km/h, gusts 0 km/hHumidity 86% — potential fog

Good conditions for granite
Breezy — helps drying

Time °C Rain Wind (km/h) Gust Hum

06:00 17° dry 24 — 90.9%

12:00 18° dry 30 — 86.3%

18:00 17° dry 22 — 91.7%

Tidal access
Non-tidal for most routes. Zawns at the base can be reached by abseil. Cliff base sits well above the sea.

About Bosigran

Premier Cornish sea cliff on sun-baked west-facing granite. Dries quickly in afternoon sun and sea breeze. Seepage in zawns after prolonged rain. Landmark routes from VD to E7. The rock is world-class rough friction-rich granite with deep jams, pristine horizontal breaks, and bold vertical corners high above the Atlantic. Classic routes include Doorpost (HS 4b), Commando Ridge (VD), Anvil Chorus (VS 4c), and Ochre Slab (E1 5b). Approach is a ten-minute walk down from the Rosemergy layby on the B3306 between Zennor and Morvah.

Region: Cornwall
Rock type: Granite
Aspect: west-facing
Altitude: 40m
Exposure: high
Seepage: low

Other crags in this region

Chair Ladder Rosemergy Towers Sennen (Pedn-men-du)