Weather forecast for: Lachine MI
Last Update: 2:24 pm EDT Oct 21, 2026
This Afternoon: Sunny early, then becoming partly sunny, with a high near 68. West wind around 5 mph.
Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Calm wind.
Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 59. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night: Mostly cloudy, with a low around 36. Calm wind.
Friday: Mostly sunny, with a high near 62. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night: Mostly clear, with a low around 39.
Saturday: Mostly sunny, with a high near 64.
Saturday Night: Partly cloudy, with a low around 47.
Sunday: Partly sunny, with a high near 68.
Sunday Night: Mostly cloudy, with a low around 44.
Monday: Partly sunny, with a high near 57.
Monday Night: Mostly cloudy, with a low around 36.
Tuesday: Partly sunny, with a high near 52.