10-day forecast for Ottawa, MI: 57° to 90°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Tuesday, August 18
87° · 0.83 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 69°0.83
Morning75°feels 77°
Afternoon87°feels 94°
Evening70°feels 71°
Overnight72°feels 73°
87 °
Ottawa, Monday, 10 August
Heavy rain. High 87°, low 69°.
Pressure29.85 inHg
Wind9.8 mph N
Humidity78%
Visibility6.2 mi
Dew point70°
Tue, 1177° / 67°0.69
Morning68°feels 69°
Afternoon70°feels 71°
Evening75°feels 77°
Overnight69°feels 70°
77 °
Ottawa, Tuesday, 11 August
Heavy rain. High 77°, low 67°.
Pressure29.85 inHg
Wind13.6 mph SW
Humidity83%
Visibility6.2 mi
Dew point70°
Wed, 1283° / 65°0.01
Morning66°feels 67°
Afternoon82°feels 84°
Evening74°feels 75°
Overnight68°feels 69°
83 °
Ottawa, Wednesday, 12 August
Light rain. High 83°, low 65°.
Pressure29.80 inHg
Wind3.4 mph NW
Humidity67%
Visibility6.2 mi
Dew point65°
Thu, 1372° / 57°0
Morning61°feels 60°
Afternoon70°feels 69°
Evening67°feels 66°
Overnight61°feels 60°
72 °
Ottawa, Thursday, 13 August
Overcast. High 72°, low 57°.
Pressure30.03 inHg
Wind10 mph NW
Humidity43%
Visibility—
Dew point46°
Fri, 1479° / 57°0
Morning63°feels 62°
Afternoon75°feels 74°
Evening72°feels 71°
Overnight66°feels 66°
79 °
Ottawa, Friday, 14 August
Clear. High 79°, low 57°.
Pressure30.09 inHg
Wind9.5 mph W
Humidity39%
Visibility—
Dew point47°
Sat, 1574° / 62°0
Morning66°feels 66°
Afternoon72°feels 72°
Evening68°feels 67°
Overnight63°feels 62°
74 °
Ottawa, Saturday, 15 August
Overcast. High 74°, low 62°.
Pressure30.27 inHg
Wind9.6 mph NE
Humidity48%
Visibility—
Dew point51°
Sun, 1676° / 60°0
Morning65°feels 64°
Afternoon75°feels 75°
Evening70°feels 70°
Overnight65°feels 65°
76 °
Ottawa, Sunday, 16 August
Mostly clear. High 76°, low 60°.
Pressure30.15 inHg
Wind8.9 mph E
Humidity48%
Visibility—
Dew point53°
Mon, 1779° / 65°0.06
Morning69°feels 69°
Afternoon78°feels 78°
Evening73°feels 73°
Overnight68°feels 68°
79 °
Ottawa, Monday, 17 August
Light rain. High 79°, low 65°.
Pressure30.03 inHg
Wind4.1 mph W
Humidity57%
Visibility—
Dew point61°
Tue, 1884° / 64°0
Morning71°feels 72°
Afternoon83°feels 83°
Evening76°feels 77°
Overnight70°feels 71°
84 °
Ottawa, Tuesday, 18 August
Mostly clear. High 84°, low 64°.
Pressure30.00 inHg
Wind8.5 mph SW
Humidity48%
Visibility—
Dew point60°
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 Ottawa, 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.