10-day forecast for Derby, IA: 31° to 72°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Saturday, October 24
53° · 0.38 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2070° / 43°0
Morning44°feels 41°
Afternoon70°feels 68°
Evening57°feels 56°
Overnight46°feels 44°
70 °
Derby, Tuesday, 20 October
Clear. High 70°, low 43°.
Pressure30.33 inHg
Wind7 mph SE
Humidity50%
Visibility6.2 mi
Dew point46°
Wed, 2171° / 49°0
Morning49°feels 47°
Afternoon70°feels 70°
Evening60°feels 59°
Overnight53°feels 52°
71 °
Derby, Wednesday, 21 October
Clear. High 71°, low 49°.
Pressure30.24 inHg
Wind5.4 mph SW
Humidity57%
Visibility6.2 mi
Dew point52°
Thu, 2272° / 51°0
Morning51°feels 50°
Afternoon71°feels 70°
Evening61°feels 60°
Overnight54°feels 53°
72 °
Derby, Thursday, 22 October
Clear. High 72°, low 51°.
Pressure30.27 inHg
Wind5.6 mph SE
Humidity51%
Visibility6.2 mi
Dew point51°
Fri, 2372° / 54°0
Morning59°feels 58°
Afternoon70°feels 69°
Evening64°feels 63°
Overnight55°feels 54°
72 °
Derby, Friday, 23 October
Clear. High 72°, low 54°.
Pressure30.21 inHg
Wind13.7 mph SE
Humidity49%
Visibility—
Dew point48°
Sat, 2472° / 56°0
Morning60°feels 59°
Afternoon69°feels 68°
Evening66°feels 64°
Overnight64°feels 62°
72 °
Derby, Saturday, 24 October
Mostly clear. High 72°, low 56°.
Pressure30.27 inHg
Wind12.4 mph S
Humidity50%
Visibility—
Dew point49°
Sun, 2566° / 53°0.24
Morning57°feels 56°
Afternoon63°feels 61°
Evening56°feels 54°
Overnight53°feels 52°
66 °
Derby, Sunday, 25 October
Rain. High 66°, low 53°.
Pressure30.30 inHg
Wind10.2 mph SW
Humidity45%
Visibility—
Dew point41°
Mon, 2671° / 50°0.16
Morning55°feels 54°
Afternoon68°feels 68°
Evening64°feels 64°
Overnight59°feels 59°
71 °
Derby, Monday, 26 October
Rain. High 71°, low 50°.
Pressure30.09 inHg
Wind15.8 mph SW
Humidity68%
Visibility—
Dew point55°
Tue, 2753° / 38°0.38
Morning41°feels 33°
Afternoon39°feels 31°
Evening42°feels 36°
Overnight40°feels 33°
53 °
Derby, Tuesday, 27 October
Rain. High 53°, low 38°.
Pressure30.30 inHg
Wind14.7 mph N
Humidity90%
Visibility—
Dew point36°
Wed, 2842° / 31°0
Morning34°feels 25°
Afternoon40°feels 33°
Evening33°feels 28°
Overnight31°feels 25°
42 °
Derby, Wednesday, 28 October
Mostly clear. High 42°, low 31°.
Pressure30.53 inHg
Wind14.6 mph N
Humidity38%
Visibility—
Dew point16°
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 Derby, 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.