10-day forecast for Ottawa, IA: 36° to 68°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Sunday, November 1
59° · 1.21 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3068° / 51°0.42
Morning52°feels 51°
Afternoon63°feels 63°
Evening61°feels 62°
Overnight53°feels 51°
68 °
Ottawa, Friday, 30 October
Heavy rain. High 68°, low 51°.
Pressure30.21 inHg
Wind11.1 mph SE
Humidity82%
Visibility4.5 mi
Dew point53°
Sat, 3167° / 58°0.13
Morning58°feels 58°
Afternoon66°feels 65°
Evening60°feels 60°
Overnight59°feels 59°
67 °
Ottawa, Saturday, 31 October
Rain. High 67°, low 58°.
Pressure30.24 inHg
Wind2.3 mph S
Humidity66%
Visibility6.2 mi
Dew point54°
Sun, 0167° / 56°0.02
Morning57°feels 56°
Afternoon65°feels 65°
Evening63°feels 62°
Overnight59°feels 59°
67 °
Ottawa, Sunday, 1 November
Light rain. High 67°, low 56°.
Pressure30.21 inHg
Wind6.1 mph SE
Humidity77%
Visibility6.2 mi
Dew point55°
Mon, 0266° / 60°0.89
Morning61°feels 62°
Afternoon64°feels 65°
Evening66°feels 67°
Overnight64°feels 65°
66 °
Ottawa, Monday, 2 November
Rain. High 66°, low 60°.
Pressure29.83 inHg
Wind19.3 mph S
Humidity96%
Visibility—
Dew point62°
Tue, 0359° / 55°1.21
Morning57°feels 56°
Afternoon58°feels 56°
Evening58°feels 58°
Overnight57°feels 56°
59 °
Ottawa, Tuesday, 3 November
Heavy rain. High 59°, low 55°.
Pressure30.00 inHg
Wind15.4 mph NW
Humidity72%
Visibility—
Dew point48°
Wed, 0461° / 56°0.13
Morning58°feels 58°
Afternoon60°feels 60°
Evening58°feels 58°
Overnight58°feels 58°
61 °
Ottawa, Wednesday, 4 November
Light rain. High 61°, low 56°.
Pressure29.65 inHg
Wind6.9 mph N
Humidity92%
Visibility—
Dew point58°
Thu, 0558° / 51°0.26
Morning54°feels 54°
Afternoon54°feels 53°
Evening52°feels 51°
Overnight52°feels 51°
58 °
Ottawa, Thursday, 5 November
Rain. High 58°, low 51°.
Pressure29.68 inHg
Wind16.1 mph NW
Humidity92%
Visibility—
Dew point52°
Fri, 0651° / 41°0.01
Morning46°feels 40°
Afternoon49°feels 44°
Evening43°feels 39°
Overnight42°feels 37°
51 °
Ottawa, Friday, 6 November
Light rain. High 51°, low 41°.
Pressure30.06 inHg
Wind16.1 mph NW
Humidity52%
Visibility—
Dew point32°
Sat, 0750° / 36°0
Morning39°feels 36°
Afternoon47°feels 45°
Evening43°feels 40°
Overnight40°feels 36°
50 °
Ottawa, Saturday, 7 November
Partly cloudy. High 50°, low 36°.
Pressure30.30 inHg
Wind6.3 mph E
Humidity60%
Visibility—
Dew point33°
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, IA 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.