10-day forecast for Walnut, IA: 34° to 71°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Wednesday, October 21
54° · 0.84 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1651° / 39°0
Morning45°feels 37°
Afternoon51°feels 48°
Evening43°feels 39°
Overnight45°feels 38°
51 °
Walnut, Friday, 16 October
Overcast. High 51°, low 39°.
Pressure30.53 inHg
Wind21 mph N
Humidity55%
Visibility6.2 mi
Dew point32°
Sat, 1757° / 34°0
Morning36°feels 30°
Afternoon56°feels 53°
Evening49°feels 44°
Overnight37°feels 37°
57 °
Walnut, Saturday, 17 October
Clear. High 57°, low 34°.
Pressure30.53 inHg
Wind12.8 mph SW
Humidity45%
Visibility6.2 mi
Dew point30°
Sun, 1862° / 42°0
Morning42°feels 35°
Afternoon61°feels 59°
Evening55°feels 53°
Overnight45°feels 39°
62 °
Walnut, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.24 inHg
Wind15 mph S
Humidity56%
Visibility6.2 mi
Dew point40°
Mon, 1962° / 49°0.01
Morning50°feels 49°
Afternoon58°feels 57°
Evening56°feels 55°
Overnight50°feels 49°
62 °
Walnut, Monday, 19 October
Light rain. High 62°, low 49°.
Pressure30.21 inHg
Wind10.6 mph S
Humidity69%
Visibility6.2 mi
Dew point46°
Tue, 2067° / 49°0
Morning54°feels 51°
Afternoon65°feels 64°
Evening59°feels 58°
Overnight55°feels 53°
67 °
Walnut, Tuesday, 20 October
Clear. High 67°, low 49°.
Pressure30.18 inHg
Wind9.1 mph S
Humidity57%
Visibility—
Dew point48°
Wed, 2170° / 52°0.02
Morning57°feels 56°
Afternoon69°feels 69°
Evening65°feels 65°
Overnight60°feels 59°
70 °
Walnut, Wednesday, 21 October
Light rain. High 70°, low 52°.
Pressure30.18 inHg
Wind15.9 mph S
Humidity53%
Visibility—
Dew point50°
Thu, 2271° / 59°0.41
Morning63°feels 63°
Afternoon68°feels 67°
Evening67°feels 66°
Overnight65°feels 65°
71 °
Walnut, Thursday, 22 October
Rain. High 71°, low 59°.
Pressure30.03 inHg
Wind16.6 mph S
Humidity69%
Visibility—
Dew point56°
Fri, 2369° / 60°0.24
Morning65°feels 64°
Afternoon68°feels 68°
Evening64°feels 63°
Overnight61°feels 61°
69 °
Walnut, Friday, 23 October
Rain. High 69°, low 60°.
Pressure29.94 inHg
Wind18.7 mph S
Humidity56%
Visibility—
Dew point52°
Sat, 2461° / 51°0.1
Morning59°feels 59°
Afternoon59°feels 58°
Evening54°feels 52°
Overnight53°feels 51°
61 °
Walnut, Saturday, 24 October
Light rain. High 61°, low 51°.
Pressure30.12 inHg
Wind21.3 mph S
Humidity61%
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 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.