News · Lansing
Michigan Halloween weather 2026: a mild, mostly dry Saturday night for trick-or-treaters from Detroit to the Soo
LANSING, Mich. — Michigan kids should be able to leave the winter coats home for at least part of the night. Forecasts as of Tuesday evening call for a mild, mostly dry Halloween on Saturday, Oct. 31, from metro Detroit to the Upper Peninsula, with only slight chances of showers in West Michigan.
Most communities that set trick-or-treat hours have picked 6 to 8 p.m. Saturday, including much of Greater Lansing and Grand Rapids. Here is what the National Weather Service expects for Saturday and Saturday night in six cities.
Detroit: Mostly cloudy with a high near 62 on Saturday, then a mostly cloudy night with a low around 50. Rain chances are under 10% through Saturday night.
Lansing: A high near 62 and a slight chance of showers after 2 p.m., then a slight chance of showers before 8 p.m. Saturday night and a low around 48. The chance of rain is about 17%.
Grand Rapids: Mostly cloudy with a high near 62 and a slight chance of showers Saturday, with the same slight chance lingering until about 8 p.m. The low is forecast near 48, with rain chances around 20%.
Traverse City: Partly sunny with a high near 60, then mostly cloudy Saturday night with a low around 42. Rain chances stay near 10% or lower.
Marquette: Mostly sunny with a high near 54, then mostly cloudy at night with a low around 41.
Sault Ste. Marie: Mostly sunny with a high near 53, then a mostly cloudy night with a low around 37, the coldest of the six. Rain chances are under 10%.
How that stacks up. In Sault Ste. Marie, where National Weather Service records go back to 1888, the average Halloween high is 48 degrees and the average low is 35, so this year looks a few degrees warmer than usual. The Soo has seen much worse: a Halloween high of just 31 degrees in 1908, 4 inches of snow in 1950 and 4 inches of snow on the ground as recently as 2023. Its warmest Halloween high was 68 degrees in 1956.
The days around it. Thursday looks warm downstate, with Detroit forecast near 75, but it also brings a chance of afternoon rain. Friday is forecast mostly sunny across much of the state, which is good news for Friday-night high school playoff games. Rain chances creep back in on Sunday, with Detroit at about 39% Sunday night.
What to wear. With daytime highs near 60 and overnight lows in the upper 40s to around 50 downstate, trick-or-treat hours should land somewhere in between. A light jacket or a sweatshirt under the costume should do downstate. In the U.P. and the northern Lower, where temperatures will drop toward the upper 30s and low 40s overnight, plan on warmer layers and gloves for later stops. Whatever the weather, reflective tape and a flashlight help drivers see kids after dark.
Then the clocks change. Daylight saving time ends at 2 a.m. Sunday, Nov. 1, the first Sunday in November under federal law, so clocks fall back one hour the night after Halloween. That means an extra hour of sleep after a late night, and darker evenings starting Sunday.
Forecasts can shift before Saturday. Check the latest National Weather Service forecast for your town before heading out.
Sources:
National Weather Service forecasts, issued Oct. 27, 2026: Detroit https://forecast.weather.gov/MapClick.php?lat=42.3314&lon=-83.0458; Lansing https://forecast.weather.gov/MapClick.php?lat=42.7325&lon=-84.5555; Grand Rapids https://forecast.weather.gov/MapClick.php?lat=42.9634&lon=-85.6681; Traverse City https://forecast.weather.gov/MapClick.php?lat=44.7631&lon=-85.6206; Marquette https://forecast.weather.gov/MapClick.php?lat=46.5436&lon=-87.3954; Sault Ste. Marie https://forecast.weather.gov/MapClick.php?lat=46.4953&lon=-84.3453
National Weather Service Gaylord, “Halloween Climatology - Sault Ste. Marie” (1888–2025 averages and extremes), https://www.weather.gov/apx/ANJ_Halloween
15 U.S. Code § 260a (daylight saving time ends the first Sunday of November), https://www.law.cornell.edu/uscode/text/15/260a
Photo: Senior Airman Kaitlyn Oiler, U.S. Air Force, “RAB has a boo-tiful night of Halloween fun (8737030).jpg,” October 2024, Wikimedia Commons, public domain, cropped, https://commons.wikimedia.org/wiki/File:RAB_has_a_boo-tiful_night_of_Halloween_fun_(8737030).jpg
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