Saint Johns, MI Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Johns, MI in one place.
A slight chance of rain showers before 8am. Partly sunny. High near 68, with temperatures falling to around 66 in the afternoon. North wind 2 to 8 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Saint Johns, 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 13, 2026 9:46 PM EDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Saint Johns, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 9:46 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Johns
Wednesday looks like the warmest upcoming period in Saint Johns at 68 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 16 to 24 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 9:46 PM EDT
- Coverage
- 7 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Northeast wind around 7 mph.
Rain showers likely after 8am. Mostly cloudy, with a high near 64. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers. Cloudy, with a low around 47. South southeast wind 3 to 14 mph. Chance of precipitation is 90%.
Rain showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 32.
Sunny, with a high near 56.
Clear, with a low around 35.
Sunny, with a high near 63.
Partly cloudy, with a low around 44.
Partly sunny, with a high near 64.
Mostly cloudy, with a low around 43.
Mostly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers then Partly Sunny
|
68°F |
2 to 8 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
45°F |
7 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
64°F |
5 to 8 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers
|
47°F |
3 to 14 mph
SSE
|
|
Friday
Oct 16
|
Rain Showers Likely
|
57°F |
16 to 24 mph
NW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Partly Cloudy
|
32°F |
7 to 24 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
3 to 12 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
7 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
12 to 16 mph
SW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
44°F |
10 to 14 mph
SW
|
|
Monday
Oct 19
|
Partly Sunny
|
64°F |
12 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
43°F |
1 to 7 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
67°F |
1 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Johns.
