Weather Window Planner
Day & Event Planner
Pick your city and activity to calculate the optimal 3-hour windows over the next 7 days. Every window is scored from Open-Meteo hourly forecasts with the fixed rules listed below.
Top Windows: Brussels, Belgium
Activity: Outdoor Event • Local timezone: Europe/Brussels
RANK #1Score 96
09:00 – 12:00
2026-10-16 (Local)
Optimal window
Temp17°C
Precip Risk0%
Wind Peak13 km/h
RANK #2Score 96
12:00 – 15:00
2026-10-16 (Local)
Optimal window
Temp18°C
Precip Risk6%
Wind Peak10 km/h
RANK #3Score 81
18:00 – 21:00
2026-10-19 (Local)
Cooler than ideal
Temp13°C
Precip Risk7%
Wind Peak11 km/h
Scoring Rules & Methodology
- Precipitation: Up to 50 points deducted proportional to hourly rain probability.
- Temperature: Scored against ideal activity range (18°C to 26°C). Deductions apply linearly outside this band.
- Wind: Up to 20 points deducted when peak gusts exceed 25 km/h.
- Time Zones: Hourly timestamps are evaluated against the target city’s native timezone (Europe/Brussels) for daytime windows (07:00–22:00).