Frost is possible this week
activeLows could dip to about -3.6°C on 2026-10-03 — under the 2°C frost line that damages buds and tender leaves. Orchards, gardens, and tender crops may face damage.
ski tourism
Daily brief · Canada
Banff 2026-09-21
Verified against recorded weather
Weather-risk signals · signal engine (Open-Meteo)
A cold stretch is on the way
extreme14 days in a row could stay below 15°C, starting 2026-09-21. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.
crop growers · outdoor hospitality · ski tourism
What the day recorded · Open-Meteo daily archive
Rain 0 mmMax 22.1 °CMin 4 °CGusts 34.6 km/h
Directional single-day check: recorded daily values compared against the historical baseline each signal was measured from. Signals cover multi-day windows, so this is context, not a forecast grade.
What people were seeing · community field reports
No field observations were posted for this place on 2026-09-21.