Right now

Temp53°F

Wind9 mph

Gusts13 mph

Humidity54.2%

Rain 48hdry

Last rainNone recent

Assessment

No recent rain

Good friction temperature range for granite

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Saturday 10 October

Good

Temp32°F

Raindry

Wind9 mph

Gusts13 mph

Humidity54%

No recent rain

Time °F Rain Wind (mph) Gust Hum

06:00 — dry — — null%

14:00 — dry — — null%

Sun Sunday 11 October

Good

Temp66°F

Raindry

Wind6 mph

Gusts—

Humidity36%

No recent rain

Good conditions for granite

Time °F Rain Wind (mph) Gust Hum

06:00 51° dry 7 — 61.4%

07:00 51° dry 7 — 62.3%

08:00 53° dry 7 — 57.8%

09:00 59° dry 5 — 50.4%

10:00 63° dry 4 — 40.8%

11:00 64° dry 4 — 39%

12:00 65° dry 5 — 37.2%

13:00 68° dry 7 — 32.9%

14:00 69° dry 7 — 32.3%

15:00 69° dry 6 — 33.7%

16:00 68° dry 7 — 34.5%

17:00 68° dry 7 — 34.4%

18:00 63° dry 5 — 46%

19:00 57° dry 7 — 53.8%

20:00 57° dry 9 — 53.3%

21:00 55° dry 8 — 58.4%

Mon Monday 12 October

Good

Temp70°F

Raindry

Wind11 mph

Gusts—

Humidity23%

No recent rain

Time °F Rain Wind (mph) Gust Hum

06:00 49° dry 13 — 53.1%

07:00 49° dry 12 — 54.2%

08:00 52° dry 13 — 48.8%

09:00 59° dry 13 — 38.5%

10:00 64° dry 15 — 30.7%

11:00 67° dry 13 — 26%

12:00 70° dry 11 — 22.5%

13:00 72° dry 9 — 20.4%

14:00 72° dry 10 — 19.5%

15:00 71° dry 10 — 20%

16:00 69° dry 11 — 22.1%

17:00 66° dry 11 — 25.5%

18:00 62° dry 10 — 33.2%

19:00 58° dry 8 — 36.4%

20:00 55° dry 7 — 43.4%

21:00 55° dry 11 — 41.2%

Tue Tuesday 13 October

Poor

Temp55°F

Rain0.02 in

Wind6 mph

Gusts—

Humidity61%

0.4mm rain forecast

Good conditions for granite

Time °F Rain Wind (mph) Gust Hum

06:00 43° dry 4 — 82.8%

07:00 43° dry 4 — 84%

08:00 45° dry 3 — 82%

09:00 50° dry 3 — 70.6%

10:00 53° dry 4 — 65.6%

11:00 55° dry 6 — 60.5%

12:00 57° 0.01 in 6 — 57.2%

18:00 52° dry 2 — 81.8%

Wed Wednesday 14 October

Poor

Temp43°F

Rain0.1 in

Wind6 mph

Gusts—

Humidity97%

3.3mm rain forecastHumidity 97% — likely fog/cloud

Time °F Rain Wind (mph) Gust Hum

06:00 44° 0.05 in 4 — 99.2%

12:00 43° 0.03 in 6 — 97.2%

18:00 41° 0.02 in 4 — 98.7%

Thu Thursday 15 October

Poor

Temp43°F

Rain0.07 in

Wind6 mph

Gusts—

Humidity93%

1.7mm rain forecastHumidity 93% — potential fog

Time °F Rain Wind (mph) Gust Hum

06:00 35° 0.00 in 1 — 94.3%

12:00 42° 0.02 in 6 — 93.3%

18:00 42° 0.04 in 7 — 99.1%

Fri Friday 16 October

Poor

Temp43°F

Rain0.05 in

Wind3 mph

Gusts—

Humidity95%

1.2mm rain forecastHumidity 95% — potential fog

Time °F Rain Wind (mph) Gust Hum

06:00 40° 0.02 in 4 — 99.7%

12:00 42° dry 3 — 94.7%

18:00 45° dry 3 — 89%

Sat Saturday 17 October

Good

Temp63°F

Rain0.01 in

Wind2 mph

Gusts—

Humidity45%

Should be dry

Good conditions for granite

Time °F Rain Wind (mph) Gust Hum

06:00 37° dry 2 — 85.4%

12:00 62° dry 2 — 45.2%

18:00 53° 0.00 in 2 — 71.1%

About Cob Rock

Cob Rock is one of Boulder Canyon's most beloved moderate multi-pitch crags — a large north-facing Boulder Creek Granodiorite buttress on the south side of the canyon at Mile 6.6, sitting just above Boulder Creek. North aspect keeps the wall in shade all day — a summer refuge when the south-facing crags are baking, but cold in shoulder season. Wade or boulder-hop Boulder Creek to reach the base (impossible during spring runoff, easy in late summer through winter). Shares the Boulder Canyon Middle weather cell with Blob Rock and Bell Buttress (all within 2km). Roadside pull-off; USFS land, no fee.

Region: Boulder Canyon
Rock type: Granite
Aspect: north-facing
Altitude: 6201 ft
Exposure: medium
Seepage: medium

Other crags in this region

Bell Buttress Blob Rock Castle Rock (Boulder Canyon)Elephant Buttresses (Boulder Canyon Mouth)The Dome (Boulder Canyon)