Waterloo, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, MI in one place.
Mostly sunny, with a high near 74. Northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Waterloo, 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: Sep 17, 2026 1:47 AM EDT.
The active forecast window currently covers Sep 18 to Sep 23, 2026 for Waterloo, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 18 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 1:47 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Friday looks like the warmest upcoming period in Waterloo at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 9 mph N.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 1:47 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KDTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 59.
Showers and thunderstorms likely. Mostly cloudy, with a high near 68.
A chance of rain showers. Mostly cloudy, with a low around 53.
A chance of rain showers. Mostly cloudy, with a high near 64.
A chance of rain showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
A slight chance of rain showers. Partly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 18
|
Mostly Sunny
|
74°F |
2 to 6 mph
NE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Slight Chance Rain Showers
|
56°F |
5 mph
E
|
|
Saturday
Sep 19
|
Showers And Thunderstorms
|
70°F |
8 mph
SE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms
|
59°F |
5 to 8 mph
SSE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
68°F |
9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
53°F |
6 to 9 mph
ENE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
64°F |
9 mph
ENE
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms
|
52°F |
6 to 9 mph
ENE
|
|
Tuesday
Sep 22
|
Chance Showers And Thunderstorms
|
67°F |
9 mph
ENE
|
|
Tuesday Night
Sep 22
|
Chance Showers And Thunderstorms
|
55°F |
3 to 8 mph
ENE
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
70°F |
5 to 8 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.
