Hiking condition rating
Each day is rated Good, Caution or Poor from wind, rain, thunderstorm signals and feels-like temperature at the summit, using open rules.
Indonesia Mountain Weather
Check the weather at the summit, not in town.
7-day forecasts at summit elevation for 113 Indonesian mountains: temperature, feels-like temperature, wind, rain, cloud cover and sunrise time. Updated automatically every 3 hours from MET Norway model data.
Features
What you can check before you hike
Every number is generated automatically from open and official sources. If there is no data, we say "no data yet" instead of guessing.
Clear sunrise chances
Mountains ranked by model cloud cover at sunrise tomorrow, with the sunrise time at each summit.
SIMAKSI & manager contacts
Official booking and quota links, institutional manager contacts and the date they were last checked. Open/closed status always points to official announcements. (SIMAKSI is the Indonesian hiking permit.)
Route cards
51 routes on 29 mountains from OpenStreetMap: distance, total ascent, gradient and time estimates, plus the forecast at the trailhead.
Explore
Start here
By region
Sumatera, Jawa, Bali & Nusa Tenggara, Kalimantan, Sulawesi, Maluku and Papua.
Mountains near cities
The nearest mountains to Jakarta, Bandung, Yogyakarta, Surabaya and other cities, with straight-line distance.
Compare mountains
Compare 7-day forecasts for up to three mountains at once, then prepare your packing list.
Data sources
Transparent about where the numbers come from
Forecasts are numerical model output, not official BMKG warnings and not volcano status. Always check BMKG, MAGMA Indonesia (PVMBG) and the trail manager's announcements before you go.
- WeatherMET Norway Locationforecast 2.0, CC BY 4.0, adjusted to summit elevation
- Mountains & routesWikidata (CC0) and © OpenStreetMap contributors (ODbL)
- ElevationCopernicus GLO-30 DEM (© DLR/Airbus, ESA) for elevation & route checks
- SIMAKSIOnly from the managers' official websites, with verification dates
Contact
Found an error in the data?
Send a correction with a link to the official source. SIMAKSI, quota and manager contact info is only taken from official sources.