10-day forecast for Defiance, IA: 57° to 104°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
104°
Best day: Tuesday, August 11
86° · 0.18 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0994° / 72°0
Morning74°feels 75°
Afternoon92°feels 90°
Evening85°feels 88°
Overnight76°feels 77°
94 °
Defiance, Sunday, 9 August
Overcast. High 94°, low 72°.
Pressure29.74 inHg
Wind9.7 mph SW
Humidity36%
Visibility6.2 mi
Dew point61°
Mon, 1095° / 70°0.02
Morning72°feels 72°
Afternoon94°feels 93°
Evening86°feels 90°
Overnight75°feels 75°
95 °
Defiance, Monday, 10 August
Light rain. High 95°, low 70°.
Pressure29.77 inHg
Wind11.9 mph SE
Humidity34%
Visibility6.2 mi
Dew point60°
Tue, 11104° / 68°0.01
Morning73°feels 73°
Afternoon99°feels 98°
Evening86°feels 89°
Overnight74°feels 74°
104 °
Defiance, Tuesday, 11 August
Light rain. High 104°, low 68°.
Pressure29.74 inHg
Wind6.3 mph N
Humidity35%
Visibility6.2 mi
Dew point60°
Wed, 1293° / 70°0.04
Morning76°feels 77°
Afternoon92°feels 96°
Evening87°feels 90°
Overnight78°feels 79°
93 °
Defiance, Wednesday, 12 August
Light rain. High 93°, low 70°.
Pressure29.83 inHg
Wind14.2 mph SE
Humidity49%
Visibility6.2 mi
Dew point68°
Thu, 1386° / 66°0.18
Morning72°feels 73°
Afternoon80°feels 80°
Evening79°feels 78°
Overnight67°feels 67°
86 °
Defiance, Thursday, 13 August
Rain. High 86°, low 66°.
Pressure29.94 inHg
Wind15.5 mph E
Humidity54%
Visibility—
Dew point60°
Fri, 1483° / 57°0
Morning64°feels 63°
Afternoon81°feels 79°
Evening75°feels 75°
Overnight62°feels 62°
83 °
Defiance, Friday, 14 August
Overcast. High 83°, low 57°.
Pressure30.18 inHg
Wind11.9 mph SE
Humidity26%
Visibility—
Dew point40°
Sat, 1581° / 58°0
Morning65°feels 64°
Afternoon80°feels 81°
Evening75°feels 76°
Overnight68°feels 68°
81 °
Defiance, Saturday, 15 August
Overcast. High 81°, low 58°.
Pressure30.15 inHg
Wind16.1 mph S
Humidity48%
Visibility—
Dew point56°
Sun, 1692° / 66°0
Morning72°feels 73°
Afternoon86°feels 90°
Evening83°feels 86°
Overnight72°feels 73°
92 °
Defiance, Sunday, 16 August
Overcast. High 92°, low 66°.
Pressure30.00 inHg
Wind13 mph S
Humidity55%
Visibility—
Dew point66°
Mon, 17100° / 71°0.03
Morning78°feels 80°
Afternoon93°feels 97°
Evening79°feels 81°
Overnight74°feels 75°
100 °
Defiance, Monday, 17 August
Light rain. High 100°, low 71°.
Pressure29.94 inHg
Wind11.4 mph N
Humidity40%
Visibility—
Dew point64°
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 Defiance, 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.