Climbing Forecast › Central Cascades › Index Lower Town Wall

CENTRAL CASCADES · GRANITE

Index Lower Town Wall climbing conditions

Good — dry and climbable

Right now

Temp59°F
Wind3 mph
Gusts5 mph
Humidity94.6%
Rain 48hdry
Last rainNone recent

Assessment

No recent rain
Good friction temperature range for granite
High humidity (94.6%) — granite friction compromised, particularly for bouldering
Humidity 94.6% — potential fog/cloud, rock may be damp from condensation

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Thursday 20 August
Good
Temp61°F
Raindry
Wind3 mph
Gusts5 mph
Humidity85%
No recent rain
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
10:00 59° dry 3 — 94.6%
11:00 58° dry 3 — 94.1%
12:00 58° dry 3 — 93.6%
13:00 58° dry 3 — 91.3%
14:00 60° dry 4 — 86.8%
15:00 67° dry 4 — 76.7%
16:00 73° dry 2 — 60%
17:00 78° dry 2 — 48.9%
18:00 80° dry 4 — 48.1%
19:00 81° dry 4 — 49%
20:00 82° dry 5 — 48.4%
21:00 83° dry 6 — 45%
Fri Friday 21 August
Good
Temp64°F
Raindry
Wind4 mph
Gusts—
Humidity74%
No recent rain
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 66° dry 3 — 90.5%
07:00 65° dry 3 — 91.3%
08:00 64° dry 3 — 90.8%
09:00 63° dry 3 — 89.6%
10:00 62° dry 3 — 87.1%
11:00 61° dry 4 — 83.8%
12:00 61° dry 4 — 79.7%
13:00 61° dry 4 — 75.6%
14:00 63° dry 4 — 72.3%
15:00 70° dry 4 — 64%
16:00 77° dry 2 — 53.7%
17:00 82° dry 2 — 42.9%
18:00 85° dry 3 — 40.7%
19:00 87° dry 4 — 41.9%
20:00 86° dry 4 — 44.4%
21:00 86° dry 5 — 45.3%
Sat Saturday 22 August
Caution
Temp63°F
Raindry
Wind2 mph
Gusts—
Humidity96%
No recent rainHumidity 96% — potential fog
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 69° dry 2 — 93.5%
07:00 69° dry 3 — 92.1%
08:00 67° dry 4 — 94%
09:00 65° dry 2 — 96.4%
10:00 64° dry 2 — 98.4%
11:00 63° dry 2 — 99.6%
12:00 61° dry 2 — 99.8%
13:00 60° dry 2 — 99.9%
14:00 61° dry 2 — 98.2%
15:00 63° dry 2 — 90.1%
16:00 65° dry 3 — 84.5%
17:00 67° dry 4 — 79%
18:00 69° dry 4 — 75.4%
19:00 71° dry 4 — 71.6%
20:00 70° dry 6 — 74.4%
21:00 71° dry 7 — 73.7%
Sun Sunday 23 August
Poor
Temp61°F
Rain0.03 in
Wind3 mph
Gusts—
Humidity92%
0.7mm rain forecastHumidity 92% — potential fog
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 62° dry 2 — 88.2%
12:00 60° 0.02 in 3 — 91.6%
18:00 63° 0.01 in 4 — 87.2%
Mon Monday 24 August
Caution
Temp54°F
Raindry
Wind4 mph
Gusts—
Humidity96%
Should be dryHumidity 96% — potential fog
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 59° dry 1 — 89.9%
12:00 53° dry 4 — 95.9%
18:00 78° dry 2 — 47.5%
Tue Tuesday 25 August
Good
Temp61°F
Rain0.00 in
Wind2 mph
Gusts—
Humidity86%
Should be dry
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 65° dry 2 — 92%
12:00 61° dry 2 — 85.6%
18:00 76° dry 4 — 63.5%
Wed Wednesday 26 August
Poor
Temp61°F
Rain0.00 in
Wind2 mph
Gusts—
Humidity99%
Should be dryHumidity 99% — likely fog/cloud
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 62° dry 3 — 99.8%
12:00 60° dry 2 — 99.4%
18:00 67° dry 2 — 78.9%
Thu Thursday 27 August
Poor
Temp55°F
Raindry
Wind1 mph
Gusts—
Humidity97%
Should be dryHumidity 97% — likely fog/cloud
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 60° dry 2 — 95%
12:00 55° dry 1 — 97.3%
18:00 72° dry 4 — 66.5%
Fri Friday 28 August
Poor
Temp55°F
Raindry
Wind1 mph
Gusts—
Humidity97%
Should be dryHumidity 97% — likely fog/cloud
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 60° dry 0 — 92.6%
12:00 55° dry 0 — 97.2%
18:00 70° dry 4 — 57.7%
Sat Saturday 29 August
Caution
Temp57°F
Raindry
Wind1 mph
Gusts—
Humidity96%
Should be dryHumidity 96% — potential fog
  • Good conditions for granite
Time °F Rain Wind (mph) Gust Hum
06:00 58° dry 0 — 99.3%
12:00 57° dry 1 — 95.7%
18:00 67° dry 5 — 62.3%
Sun Sunday 30 August
Good
Temp66°F
Raindry
Wind5 mph
Gusts—
Humidity—
Should be dry
  • Good conditions for granite
Index Lower Town Wall is the Pacific Northwest's crown jewel of granite crack climbing — a Yosemite-quality south-facing wall thirty seconds from the parking lot in the Skykomish Valley, an hour east of Seattle. The fine-grained granodiorite yields perfect finger cracks, splitter dihedrals, and steep face routes across a compact area. Godzilla (5.9) and Sagittarius (5.10) are the moderates every visitor should climb; Iron Horse (5.11a) and City Park (5.13d) are the testpieces. The Skykomish drainage catches Cascade weather full-force, so the reliable season is June through September — outside that window expect long wet spells punctuated by occasional dry weekends when the south-facing wall bakes clean. Climber-purchased and gifted to Washington State Parks in 2010; the Washington Climbers Coalition maintains stewardship. Discover Pass required.

About Index Lower Town Wall

Index Lower Town Wall is the Pacific Northwest's crown jewel of granite crack climbing — a Yosemite-quality south-facing wall thirty seconds from the parking lot in the Skykomish Valley, an hour east of Seattle. The fine-grained granodiorite yields perfect finger cracks, splitter dihedrals, and steep face routes across a compact area. Godzilla (5.9) and Sagittarius (5.10) are the moderates every visitor should climb; Iron Horse (5.11a) and City Park (5.13d) are the testpieces. The Skykomish drainage catches Cascade weather full-force, so the reliable season is June through September — outside that window expect long wet spells punctuated by occasional dry weekends when the south-facing wall bakes clean. Climber-purchased and gifted to Washington State Parks in 2010; the Washington Climbers Coalition maintains stewardship. Discover Pass required.

Region
Central Cascades
Rock type
granite
Aspect
south-facing
Altitude
577 ft
Exposure
medium
Seepage
medium

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