Is it worth the trip?
50Fair out of 100 for your dates
Best on Wed 4: Rock dry, Freezing level below the crag: ice on the rock, Rock about 8 °C
Mon 2 · 83 out of 100
- Rock
- Icy
- Rock temp
- 5°C
- Air
- 5°C
- Rain
- 0 mm
Tue 3 · 74 out of 100
- Rock
- Icy
- Rock temp
- 7°C
- Air
- 5°C
- Rain
- 0 mm
Wed 4 · 85 out of 100
- Rock
- Icy
- Rock temp
- 8°C
- Air
- 6°C
- Rain
- 0 mm
Thu 5 · 12 out of 100
- Rock
- Wet
- Rock temp
- 1°C
- Air
- 1°C
- Rain
- 0.3 mm
Fri 6 · 0 out of 100
- Rock
- Wet
- Rock temp
- -1°C
- Air
- 0°C
- Rain
- 24.6 mm
Sat 7 · 0 out of 100
- Rock
- Wet
- Rock temp
- -6°C
- Air
- 0°C
- Rain
- 0 mm
Sun 8 · 0 out of 100
- Rock
- Wet
- Rock temp
- -3°C
- Air
- 2°C
- Rain
- 0 mm
Tap a day for rock, its warmth, the air and rain. Full forecast
Forecast: next 10 days
Full forecast- Sun 122, poor
- Mon 283, good
- Tue 374, good
- Wed 485, good
- Thu 512, poor
- Fri 60, poor
- Sat 70, poor
- Sun 80, poor
- Mon 969, good
- Tue 1075, good
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* | 22, poor | Icy | 7°C | 3°C | 0 mm |
| Mon 2Nov | 83, good | Icy | 5°C | 5°C | 0 mm |
| Tue 3Nov | 74, good | Icy | 7°C | 5°C | 0 mm |
| Wed 4Nov | 85, good | Icy | 8°C | 6°C | 0 mm |
| Thu 5Nov | 12, poor | Wet | 1°C | 1°C | 0.3 mm |
| Fri 6Nov | 0, poor | Wet | -1°C | 0°C | 24.6 mm |
| Sat 7Nov | 0, poor | Wet | -6°C | 0°C | 0 mm |
| Sun 8Nov | 0, poor | Wet | -3°C | 2°C | 0 mm |
| Mon 9Nov | 69, good | Icy | 4°C | 4°C | 0 mm |
| Tue 10Nov | 75, good | Dry | 4°C | 3°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.
The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.
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 place to stay we found: Mineral Park, Skagit County, 10 km. Nearest beds: Darrington, 49 km (about 1h 30m by car). 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 49 km away
No town nearby
Nearest place to stay we found: Mineral Park, Skagit County, 10 km. Nearest beds: Darrington, 49 km (about 1h 30m by car). Nearest airport: Seattle Paine Field International Airport (PAE), 113 km.
See places to stay near Darrington, 49 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.
On the rock
Saved: this link opens the same trip
The link holds the trip itself: nothing about you is kept. Check the forecast again before you book.