10-day forecast for Walnut, IA: 59° to 96°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Tuesday, August 11
71° · 1.21 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0996° / 75°0.03
Morning79°feels 79°
Afternoon94°feels 97°
Evening83°feels 89°
Overnight78°feels 79°
96 °
Walnut, Sunday, 9 August
Light rain. High 96°, low 75°.
Pressure29.77 inHg
Wind15.7 mph SW
Humidity49%
Visibility6.2 mi
Dew point67°
Mon, 1090° / 72°0.02
Morning73°feels 74°
Afternoon88°feels 90°
Evening78°feels 79°
Overnight83°feels 89°
90 °
Walnut, Monday, 10 August
Light rain. High 90°, low 72°.
Pressure29.80 inHg
Wind7.3 mph SE
Humidity65%
Visibility6.2 mi
Dew point68°
Tue, 1192° / 71°0
Morning73°feels 74°
Afternoon92°feels 94°
Evening84°feels 87°
Overnight80°feels 80°
92 °
Walnut, Tuesday, 11 August
Partly cloudy. High 92°, low 71°.
Pressure29.74 inHg
Wind2.3 mph S
Humidity46%
Visibility6.2 mi
Dew point65°
Wed, 1287° / 70°0.02
Morning70°feels 71°
Afternoon86°feels 86°
Evening78°feels 79°
Overnight71°feels 72°
87 °
Walnut, Wednesday, 12 August
Light rain. High 87°, low 70°.
Pressure29.88 inHg
Wind10.7 mph E
Humidity55%
Visibility6.2 mi
Dew point64°
Thu, 1371° / 63°1.21
Morning67°feels 67°
Afternoon63°feels 64°
Evening63°feels 63°
Overnight65°feels 65°
71 °
Walnut, Thursday, 13 August
Heavy rain. High 71°, low 63°.
Pressure29.94 inHg
Wind18.5 mph E
Humidity96%
Visibility—
Dew point63°
Fri, 1477° / 60°0
Morning64°feels 64°
Afternoon73°feels 73°
Evening72°feels 72°
Overnight66°feels 66°
77 °
Walnut, Friday, 14 August
Overcast. High 77°, low 60°.
Pressure30.06 inHg
Wind15.1 mph E
Humidity64%
Visibility—
Dew point58°
Sat, 1567° / 59°0.09
Morning65°feels 65°
Afternoon63°feels 64°
Evening59°feels 60°
Overnight60°feels 61°
67 °
Walnut, Saturday, 15 August
Light rain. High 67°, low 59°.
Pressure30.15 inHg
Wind11 mph E
Humidity98%
Visibility—
Dew point64°
Sun, 1678° / 60°0
Morning66°feels 66°
Afternoon76°feels 76°
Evening77°feels 78°
Overnight69°feels 70°
78 °
Walnut, Sunday, 16 August
Light rain. High 78°, low 60°.
Pressure30.09 inHg
Wind6.2 mph E
Humidity73%
Visibility—
Dew point64°
Mon, 1785° / 66°0
Morning71°feels 72°
Afternoon82°feels 84°
Evening78°feels 78°
Overnight72°feels 73°
85 °
Walnut, Monday, 17 August
Mostly clear. High 85°, low 66°.
Pressure30.03 inHg
Wind7.5 mph S
Humidity62%
Visibility—
Dew point66°
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 Walnut, 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.