Sonnenberg
📍 Solothurn , Bezirk Thal · Nearest city: Matzendorf (3 km)
59 XC score / 100 · takeoff at 1156 m · 📍 View on map
Coordinates and external links
47.32470, 7.60380Forecast next days
Updated: 2026-05-02 16:08 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Very favorable day for XC, cloud base ~477 m, wind 10 km/h, precipitation 1.2 mm.
base ~477m · wind 10 km/h · precip 1.2mmNot recommended for flying, cloud base ~455 m, wind 6 km/h, precipitation 2.6 mm.
base ~455m · wind 6 km/h · precip 2.6mmComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
🌬 Daily wind (next days)
Daily summary (10m wind). Full hour × altitude chart is being added progressively.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
🗓️ Best season to fly (2024 climatology)
Monthly climate score: historical avg of temp, wind, rain and cloud cover. Green = optimal month.
⭐ Best month: Aug (88/100, 22°C, 61mm lluvia) · Worst month: Jan (20/100, 110mm lluvia)
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 12 | High |
| Avg thermal probability | 0.77 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.45 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Launch site of the local flying school. Please ask for permission before flying: www.flugschule-jura.ch
Nearby sites
Obere Wengi (64) · Hohe Winde (47) · Laupersdoerfer Stierenberg (51) · Brandberg (62) · Niderwiler Stierenberg (50) · Schwaengimatt (40)