10-day forecast for Ottumwa, KS: 67° to 112°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
112°
Best day: Tuesday, August 18
95°
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 77°0
Morning77°feels 77°
Afternoon99°feels 98°
Evening88°feels 90°
Overnight85°feels 85°
100 °
Ottumwa, Monday, 10 August
Overcast. High 100°, low 77°.
Pressure29.85 inHg
Wind17.7 mph S
Humidity37%
Visibility6.2 mi
Dew point66°
Tue, 11106° / 78°0
Morning78°feels 78°
Afternoon104°feels 106°
Evening93°feels 93°
Overnight87°feels 86°
106 °
Ottumwa, Tuesday, 11 August
Clear. High 106°, low 78°.
Pressure29.80 inHg
Wind18.9 mph SW
Humidity32%
Visibility6.2 mi
Dew point64°
Wed, 12100° / 77°0.03
Morning77°feels 78°
Afternoon100°feels 104°
Evening84°feels 86°
Overnight81°feels 82°
100 °
Ottumwa, Wednesday, 12 August
Light rain. High 100°, low 77°.
Pressure29.77 inHg
Wind9.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point66°
Thu, 13106° / 75°0.01
Morning81°feels 82°
Afternoon98°feels 100°
Evening94°feels 95°
Overnight80°feels 80°
106 °
Ottumwa, Thursday, 13 August
Light rain. High 106°, low 75°.
Pressure29.74 inHg
Wind21.3 mph SW
Humidity34%
Visibility—
Dew point62°
Fri, 1499° / 70°0.01
Morning77°feels 78°
Afternoon92°feels 94°
Evening84°feels 89°
Overnight75°feels 76°
99 °
Ottumwa, Friday, 14 August
Light rain. High 99°, low 70°.
Pressure29.85 inHg
Wind18.2 mph NE
Humidity39%
Visibility—
Dew point61°
Sat, 1594° / 67°0
Morning72°feels 74°
Afternoon87°feels 91°
Evening89°feels 94°
Overnight77°feels 77°
94 °
Ottumwa, Saturday, 15 August
Overcast. High 94°, low 67°.
Pressure30.03 inHg
Wind13.3 mph NE
Humidity56%
Visibility—
Dew point66°
Sun, 1695° / 70°0.02
Morning76°feels 78°
Afternoon91°feels 96°
Evening88°feels 94°
Overnight78°feels 81°
95 °
Ottumwa, Sunday, 16 August
Light rain. High 95°, low 70°.
Pressure30.06 inHg
Wind13.3 mph N
Humidity51%
Visibility—
Dew point67°
Mon, 1795° / 71°0
Morning77°feels 79°
Afternoon91°feels 96°
Evening86°feels 93°
Overnight77°feels 78°
95 °
Ottumwa, Monday, 17 August
Overcast. High 95°, low 71°.
Pressure30.00 inHg
Wind15.2 mph E
Humidity50%
Visibility—
Dew point67°
Tue, 18112° / 75°0
Morning85°feels 84°
Afternoon110°feels 107°
Evening103°feels 101°
Overnight88°feels 85°
112 °
Ottumwa, Tuesday, 18 August
Mostly clear. High 112°, low 75°.
Pressure29.80 inHg
Wind15.9 mph SW
Humidity14%
Visibility—
Dew point46°
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 Ottumwa, KS 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.