Saint Johns, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Johns, MI in one place.
Sunny. High near 77, with temperatures falling to around 75 in the afternoon. South wind 1 to 5 mph.
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: May 30, 2026 6:46 PM EDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Saint Johns, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 6:46 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Johns
Thursday looks like the warmest upcoming period in Saint Johns at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Monday Night at about 5 to 15 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 6:46 PM EDT
- Coverage
- 6 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 clear, with a low around 50. West northwest wind around 3 mph.
Sunny, with a high near 78. North northeast wind 3 to 13 mph, with gusts as high as 23 mph.
Clear, with a low around 49.
Sunny, with a high near 77.
Mostly clear, with a low around 49.
Sunny, with a high near 80.
Mostly clear, with a low around 55.
Sunny, with a high near 85.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 62.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Sunny
|
77°F |
1 to 5 mph
S
|
|
Sunday Night
May 31
|
Mostly Clear
|
50°F |
3 mph
WNW
|
|
Monday
Jun 1
|
Sunny
|
78°F |
3 to 13 mph
NNE
|
|
Monday Night
Jun 1
|
Clear
|
49°F |
5 to 15 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
5 to 12 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
49°F |
0 to 9 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
0 to 5 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
55°F |
5 mph
S
|
|
Thursday
Jun 4
|
Sunny
|
85°F |
5 to 13 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
12 mph
SW
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
63°F |
8 to 14 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Johns.