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Lachine, MI Weather Forecast

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Lachine, MI Weather Forecast

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Lachine MI weather - Overcast - 65°F
Overcast
65°F
Updated 11:50 am
Feels Like 72°F
Humidity 93%
Wind SE 3 mph
Barometer  30.03 in
Dew Point 63°F
Lachine MI weather - Overcast - 18°C
Overcast
18°C
Updated 11:50 am
Feels Like 22°C
Humidity 93%
Wind SE 5 km/h
Barometer  101.7 kPa
Dew Point 17°C
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Lachine Weather Forecast

THIS AFTERNOON TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Lachine, MI Weather - This Afternoon Chance Of Showers Lachine, MI Weather - Tonight Chance Of Showers Lachine, MI Weather - Saturday Mostly Sunny Lachine, MI Weather - Saturday Night Patchy Fog Lachine, MI Weather - Sunday Mostly Sunny Lachine, MI Weather - Sunday Night Patchy Fog Lachine, MI Weather - Labor Day Partly Sunny Lachine, MI Weather - Monday Night Mostly Cloudy Lachine, MI Weather - Tuesday Chance Of Showers Lachine, MI Weather - Tuesday Night Rain Showers Lachine, MI Weather - Wednesday Chance Of Showers Lachine, MI Weather - Wednesday Night Partly Cloudy
Chance of Showers Chance of Showers Mostly Sunny Patchy Fog Mostly Sunny Patchy Fog Partly Sunny Mostly Cloudy Chance of Showers Rain Showers Chance of Showers Partly Cloudy
Hi: 71°FHi: 22°C
 Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 70°FHi: 21°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C
POP: 40% POP: 20% POP: 50% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 1013 AM EDT Fri Sep 04 2026 Lachine, MI Weather - WeatherWorld.com

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Lachine Forecast Discussion

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Issued: 525 AM EDT Fri Sep 4 2026

Key Messages

  • Rain/storms today into Saturday morning, with improving conditions for the rest of the holiday weekend. Localized flooding possible today.

Discussion

... Issued at 237 AM EDT Fri Sep 4 2026

PATTERN SYNOPSIS/FORECAST:

Broad upper low over the PacNW with PV max swirling northward through Alberta...and a flat but negatively tilted trough axis stretching from here to MN/WI at 4z...along/ahead of which convection continues to fire. Bulk of the moisture across the CONUS remains across the east...