Is it worth the trip?
37Poor out of 100 for your dates
Best on Mon 2: Rock dry, Freezing level below the crag: ice on the rock, Rock about 5 °C
Mon 2 · 81 out of 100
- Rock
- Icy
- Rock temp
- 5°C
- Air
- 4°C
- Rain
- 0 mm
Tue 3 · 30 out of 100
- Rock
- Wet
- Rock temp
- 5°C
- Air
- 3°C
- Rain
- 2.4 mm
Wed 4 · 78 out of 100
- Rock
- Wetdry in 6 h
- Rock temp
- 5°C
- Air
- 5°C
- Rain
- 0 mm
Thu 5 · 1 out of 100
- Rock
- Wet
- Rock temp
- 1°C
- Air
- 1°C
- Rain
- 0.6 mm
Fri 6 · 0 out of 100
- Rock
- Wet
- Rock temp
- -1°C
- Air
- -1°C
- Rain
- 30.9 mm
Sat 7 · 0 out of 100
- Rock
- Wet
- Rock temp
- -5°C
- Air
- 0°C
- Rain
- 0 mm
Sun 8 · 0 out of 100
- Rock
- Wet
- Rock temp
- 0°C
- Air
- 3°C
- Rain
- 13.8 mm
Tap a day for rock, its warmth, the air and rain. Full forecast
Forecast: next 10 days
Full forecast- Sun 143, poor
- Mon 281, good
- Tue 330, poor
- Wed 478, good
- Thu 51, poor
- Fri 60, poor
- Sat 70, poor
- Sun 80, poor
- Mon 90, poor
- Tue 100, poor
The spot in two facts
- 1 cragmapped within 5 km
- Best Jul–Aug5 good days in 7
Full forecast
every day, every number
The score doesn't know loose rock, seepage, access bans or your skill.
| Day | Score | Rock | Rock temp | Air | Rain |
|---|---|---|---|---|---|
| Sun 1Nov* | 43, poor | Icy | 7°C | 3°C | 0 mm |
| Mon 2Nov | 81, good | Icy | 5°C | 4°C | 0 mm |
| Tue 3Nov | 30, poor | Wet | 5°C | 3°C | 2.4 mm |
| Wed 4Nov | 78, good | Wetdry in 6 h | 5°C | 5°C | 0 mm |
| Thu 5Nov | 1, poor | Wet | 1°C | 1°C | 0.6 mm |
| Fri 6Nov | 0, poor | Wet | -1°C | -1°C | 30.9 mm |
| Sat 7Nov | 0, poor | Wet | -5°C | 0°C | 0 mm |
| Sun 8Nov | 0, poor | Wet | 0°C | 3°C | 13.8 mm |
| Mon 9Nov | 0, poor | Wet | 0°C | 1°C | 0 mm |
| Tue 10Nov | 0, poor | Wet | -2°C | 1°C | 0 mm |
* Rain before today is not known: the forecast starts today, so these days are scored from a dry start and a wet one.
Rock and air are in °C, the rock's with the sun on it; rain in mm. More
Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.
Best time to go
best Jul–Aug
Good climbing days in a typical week, each month, from 2016 on (ERA5 history scored the same way).
- Jan0of 7: a trip from Sat 2 Jan
- Feb0of 7: a trip from Sat 6 Feb
- Mar1of 7: a trip from Sat 6 Mar
- Apr2of 7: a trip from Sat 3 Apr
- May3of 7: a trip from Sat 1 May
- Jun4of 7: a trip from Sat 5 Jun
- Jul5of 7: a trip from Sat 3 Jul
- Aug5of 7: a trip from Sat 7 Aug
- Sep4of 7: a trip from Sat 4 Sept
- Oct2of 7: a trip from Sat 2 Oct
- Nov1of 7: a trip from Mon 2 Nov
- Dec0of 7: a trip from Sat 5 Dec
Tap a month to see this spot for a trip then.
Typical weather, not a forecast.
Map
the area and its town
Boston Basin on Google Maps · Directions
Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.
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One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
About
the place in full, sources, credits
About Boston Basin
1 crag mapped. Best from Jun to Sep. Nearest beds: Twisp, 69 km. Nearest airport: Seattle Paine Field International Airport (PAE), 113 km.
- Crags 1 crag mapped.
- Rock No source states the rock.
From OpenStreetMap: the crags mapped within 5 km. Check access and bans locally.
Crags: © OpenStreetMap contributors (ODbL).
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Rough cost (estimate): about US$884–US$1,670 each
about US$884–US$1,670 each · 6 nights, 2 sharing: flights, hire car, food, climbing instructor.
Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.
How we worked it out
| What | How we worked it out | Each |
|---|---|---|
| Flights | return MDW to SEA, estimated from distance and season, 1 airline on the route, with a hold bag | about US$248–US$516 |
| Hire car | 6 days, shared | about US$154–US$255 |
| Food | 7 days eating out | about US$342–US$636 |
| Climbing instructor | 1 day with an instructor, shared; leave it out if you climb on your own | about US$141–US$261 |
| Total | about US$884–US$1,670 |
No town nearby, so no stay is in it. Climbers bring their own kit: it is not in the cost. Prices from public sources, checked in 2026.
Where to stay: nearest beds 69 km away
No town nearby
Nearest beds: Twisp, 69 km. Nearest airport: Seattle Paine Field International Airport (PAE), 113 km.
See places to stay near Twisp, 69 km away · Booking.comGetting there: about 9h
About 9h door to door from Chicago
Fly MDW → SEA, direct, then 2h 55m by road
Flights MDW → SEA on your dates · Skyscanner
An estimate, one way; the journey never changes the score.