Marcellus, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Marcellus, MI in one place.
Sunny, with a high near 92. Heat index values as high as 99. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Marcellus, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 11:02 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Marcellus, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 11:02 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Marcellus
Wednesday looks like the warmest upcoming period in Marcellus at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 11:02 PM EDT
- Coverage
- 7 days
- Time zone
- America/Detroit
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of smoke after 1am. Partly cloudy, with a low around 68. Northwest wind 0 to 10 mph.
Smoke before 3pm. Sunny, with a high near 91. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 69. North wind 0 to 5 mph.
A chance of rain showers between 8am and 11am, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 66. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
A chance of rain showers. Partly cloudy, with a low around 65.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy then Areas Of Smoke
|
68°F |
0 to 10 mph
NW
|
|
Thursday
Jul 16
|
Smoke
|
91°F |
0 to 5 mph
NE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
69°F |
0 to 5 mph
N
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
89°F |
5 mph
S
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
88°F |
5 to 15 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
67°F |
5 to 15 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
85°F |
5 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
85°F |
5 to 15 mph
SW
|
|
Monday Night
Jul 20
|
Chance Rain Showers
|
65°F |
5 to 15 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
5 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marcellus.