10-day forecast for Grattan, MI: 35° to 65°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, October 20
51°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1751° / 42°0
Morning42°feels 42°
Afternoon51°feels 48°
Evening47°feels 43°
Overnight43°feels 37°
51 °
Grattan, Saturday, 17 October
Clear. High 51°, low 42°.
Pressure30.50 inHg
Wind4.7 mph SW
Humidity55%
Visibility6.2 mi
Dew point34°
Sun, 1859° / 43°0
Morning43°feels 38°
Afternoon59°feels 57°
Evening50°feels 47°
Overnight46°feels 42°
59 °
Grattan, Sunday, 18 October
Clear. High 59°, low 43°.
Pressure30.47 inHg
Wind13.1 mph SW
Humidity62%
Visibility6.2 mi
Dew point44°
Mon, 1963° / 41°0
Morning41°feels 38°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight46°feels 42°
63 °
Grattan, Monday, 19 October
Clear. High 63°, low 41°.
Pressure30.42 inHg
Wind5.3 mph SW
Humidity57%
Visibility6.2 mi
Dew point43°
Tue, 2065° / 41°0
Morning41°feels 39°
Afternoon64°feels 62°
Evening52°feels 50°
Overnight44°feels 44°
65 °
Grattan, Tuesday, 20 October
Clear. High 65°, low 41°.
Pressure30.42 inHg
Wind1.9 mph E
Humidity56%
Visibility6.2 mi
Dew point43°
Wed, 2165° / 42°0
Morning49°feels 46°
Afternoon63°feels 61°
Evening55°feels 54°
Overnight49°feels 47°
65 °
Grattan, Wednesday, 21 October
Clear. High 65°, low 42°.
Pressure30.33 inHg
Wind6.3 mph E
Humidity54%
Visibility—
Dew point44°
Thu, 2259° / 45°0
Morning49°feels 46°
Afternoon58°feels 56°
Evening52°feels 51°
Overnight49°feels 48°
59 °
Grattan, Thursday, 22 October
Overcast. High 59°, low 45°.
Pressure30.09 inHg
Wind10 mph SW
Humidity54%
Visibility—
Dew point40°
Fri, 2355° / 40°0
Morning44°feels 40°
Afternoon53°feels 50°
Evening44°feels 40°
Overnight40°feels 36°
55 °
Grattan, Friday, 23 October
Mostly clear. High 55°, low 40°.
Pressure30.30 inHg
Wind10.2 mph NE
Humidity54%
Visibility—
Dew point36°
Sat, 2458° / 35°0
Morning41°feels 36°
Afternoon55°feels 52°
Evening48°feels 46°
Overnight43°feels 39°
58 °
Grattan, Saturday, 24 October
Overcast. High 58°, low 35°.
Pressure30.36 inHg
Wind9.1 mph SE
Humidity38%
Visibility—
Dew point28°
Sun, 2562° / 40°0
Morning46°feels 42°
Afternoon59°feels 57°
Evening51°feels 48°
Overnight47°feels 44°
62 °
Grattan, Sunday, 25 October
Overcast. High 62°, low 40°.
Pressure30.24 inHg
Wind6.7 mph S
Humidity37%
Visibility—
Dew point32°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Grattan, MI around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.