10-day forecast for Ottawa, IA: 51° to 73°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, October 25
64° · 0.24 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2672° / 53°0
Morning55°feels 54°
Afternoon72°feels 72°
Evening61°feels 59°
Overnight56°feels 55°
72 °
Ottawa, Monday, 26 October
Overcast. High 72°, low 53°.
Pressure30.27 inHg
Wind3.8 mph SE
Humidity64%
Visibility6.2 mi
Dew point55°
Tue, 2769° / 55°0.04
Morning57°feels 56°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight56°feels 55°
69 °
Ottawa, Tuesday, 27 October
Light rain. High 69°, low 55°.
Pressure30.12 inHg
Wind13.4 mph SW
Humidity55%
Visibility6.2 mi
Dew point51°
Wed, 2872° / 56°0.09
Morning56°feels 56°
Afternoon71°feels 70°
Evening66°feels 65°
Overnight59°feels 58°
72 °
Ottawa, Wednesday, 28 October
Rain. High 72°, low 56°.
Pressure30.09 inHg
Wind12.5 mph S
Humidity62%
Visibility6.2 mi
Dew point55°
Thu, 2971° / 57°0.03
Morning61°feels 61°
Afternoon71°feels 70°
Evening61°feels 61°
Overnight62°feels 62°
71 °
Ottawa, Thursday, 29 October
Light rain. High 71°, low 57°.
Pressure30.06 inHg
Wind7.9 mph W
Humidity72%
Visibility6.2 mi
Dew point59°
Fri, 3069° / 51°0.03
Morning56°feels 56°
Afternoon66°feels 66°
Evening66°feels 67°
Overnight60°feels 60°
69 °
Ottawa, Friday, 30 October
Light rain. High 69°, low 51°.
Pressure30.12 inHg
Wind10.9 mph SE
Humidity76%
Visibility—
Dew point56°
Sat, 3164° / 56°0.24
Morning60°feels 59°
Afternoon63°feels 62°
Evening58°feels 58°
Overnight56°feels 56°
64 °
Ottawa, Saturday, 31 October
Rain. High 64°, low 56°.
Pressure30.15 inHg
Wind10.9 mph S
Humidity71%
Visibility—
Dew point53°
Sun, 0166° / 53°0
Morning57°feels 56°
Afternoon63°feels 62°
Evening58°feels 57°
Overnight55°feels 55°
66 °
Ottawa, Sunday, 1 November
Overcast. High 66°, low 53°.
Pressure30.12 inHg
Wind6.5 mph E
Humidity68%
Visibility—
Dew point52°
Mon, 0262° / 51°0
Morning54°feels 53°
Afternoon62°feels 61°
Evening59°feels 58°
Overnight56°feels 55°
62 °
Ottawa, Monday, 2 November
Overcast. High 62°, low 51°.
Pressure30.06 inHg
Wind12.8 mph E
Humidity67%
Visibility—
Dew point50°
Tue, 0366° / 56°0.04
Morning58°feels 57°
Afternoon63°feels 62°
Evening62°feels 61°
Overnight59°feels 59°
66 °
Ottawa, Tuesday, 3 November
Light rain. High 66°, low 56°.
Pressure30.00 inHg
Wind13.5 mph SE
Humidity67%
Visibility—
Dew point51°
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.