South Branch, MI Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for South Branch, MI in one place.
A chance of rain. Cloudy. High near 59, with temperatures falling to around 54 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for South Branch, 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: Oct 15, 2026 7:41 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for South Branch, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 7:41 PM EDT
- Forecast office
- APX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Branch
Tuesday looks like the warmest upcoming period in South Branch at 68 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 7:41 PM EDT
- Coverage
- 7 days
- Time zone
- America/Detroit
- Forecast office
- APX
- Radar station
- KAPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain. Cloudy. Low around 42, with temperatures rising to around 49 overnight. East wind 0 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain before 8am, then rain showers likely. Cloudy. High near 54, with temperatures falling to around 46 in the afternoon. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 27. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunny, with a high near 56. West wind 0 to 10 mph.
Clear, with a low around 34.
Sunny, with a high near 66.
Clear, with a low around 39.
Sunny, with a high near 67.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 68.
Mostly clear, with a low around 38.
Sunny, with a high near 66.
Mostly clear, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Chance Light Rain
|
59°F |
5 mph
SE
|
|
Tonight
Oct 15
|
Rain
|
42°F |
0 to 5 mph
E
|
|
Friday
Oct 16
|
Chance Light Rain then Rain Showers Likely
|
54°F |
5 to 15 mph
NW
|
|
Friday Night
Oct 16
|
Slight Chance Rain Showers then Partly Cloudy
|
27°F |
5 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
0 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
34°F |
5 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
10 to 15 mph
SW
|
|
Sunday Night
Oct 18
|
Clear
|
39°F |
5 to 15 mph
SW
|
|
Monday
Oct 19
|
Sunny
|
67°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
37°F |
0 to 5 mph
W
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
68°F |
0 to 5 mph
N
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
38°F |
0 to 5 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
66°F |
0 to 5 mph
E
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
40°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Branch.