10-day forecast for Onawa, IA: 62° to 107°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
107°
Best day: Tuesday, August 11
75° · 0.62 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 73°0.01
Morning74°feels 74°
Afternoon76°feels 75°
Evening89°feels 89°
Overnight80°feels 80°
89 °
Onawa, Monday, 10 August
Light rain. High 89°, low 73°.
Pressure29.83 inHg
Wind17.5 mph SE
Humidity39%
Visibility6.2 mi
Dew point62°
Tue, 11107° / 71°0
Morning78°feels 78°
Afternoon105°feels 104°
Evening96°feels 96°
Overnight73°feels 73°
107 °
Onawa, Tuesday, 11 August
Partly cloudy. High 107°, low 71°.
Pressure29.71 inHg
Wind3.3 mph N
Humidity24%
Visibility6.2 mi
Dew point56°
Wed, 1296° / 71°0.11
Morning71°feels 72°
Afternoon92°feels 94°
Evening89°feels 89°
Overnight72°feels 73°
96 °
Onawa, Wednesday, 12 August
Light rain. High 96°, low 71°.
Pressure29.85 inHg
Wind12.4 mph SE
Humidity63%
Visibility6.2 mi
Dew point68°
Thu, 1375° / 62°0.62
Morning67°feels 68°
Afternoon64°feels 64°
Evening63°feels 63°
Overnight71°feels 72°
75 °
Onawa, Thursday, 13 August
Rain. High 75°, low 62°.
Pressure30.03 inHg
Wind16 mph NE
Humidity96%
Visibility—
Dew point64°
Fri, 1465° / 62°0.08
Morning62°feels 63°
Afternoon64°feels 64°
Evening65°feels 65°
Overnight65°feels 65°
65 °
Onawa, Friday, 14 August
Light rain. High 65°, low 62°.
Pressure30.09 inHg
Wind11.5 mph E
Humidity95%
Visibility—
Dew point62°
Sat, 1573° / 63°0
Morning66°feels 66°
Afternoon73°feels 74°
Evening72°feels 72°
Overnight65°feels 66°
73 °
Onawa, Saturday, 15 August
Overcast. High 73°, low 63°.
Pressure30.12 inHg
Wind9.1 mph E
Humidity72%
Visibility—
Dew point62°
Sun, 1688° / 64°0
Morning69°feels 70°
Afternoon83°feels 85°
Evening82°feels 83°
Overnight71°feels 71°
88 °
Onawa, Sunday, 16 August
Overcast. High 88°, low 64°.
Pressure30.15 inHg
Wind8 mph N
Humidity54%
Visibility—
Dew point62°
Mon, 1791° / 67°0
Morning74°feels 75°
Afternoon89°feels 90°
Evening85°feels 87°
Overnight74°feels 75°
91 °
Onawa, Monday, 17 August
Partly cloudy. High 91°, low 67°.
Pressure30.00 inHg
Wind12.9 mph S
Humidity41%
Visibility—
Dew point60°
Tue, 18101° / 68°0
Morning76°feels 77°
Afternoon96°feels 98°
Evening96°feels 97°
Overnight78°feels 81°
101 °
Onawa, Tuesday, 18 August
Overcast. High 101°, low 68°.
Pressure29.80 inHg
Wind14.5 mph S
Humidity38%
Visibility—
Dew point62°
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 Onawa, 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.