10-day forecast for Waterloo, IA: 34° to 72°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, October 21
58° · 0.54 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2172° / 45°0
Morning48°feels 46°
Afternoon70°feels 70°
Evening57°feels 57°
Overnight48°feels 46°
72 °
Waterloo, Wednesday, 21 October
Clear. High 72°, low 45°.
Pressure30.21 inHg
Wind5.2 mph SW
Humidity67%
Visibility6.2 mi
Dew point53°
Thu, 2272° / 47°0
Morning50°feels 50°
Afternoon72°feels 71°
Evening63°feels 63°
Overnight51°feels 50°
72 °
Waterloo, Thursday, 22 October
Clear. High 72°, low 47°.
Pressure30.27 inHg
Wind4.3 mph SE
Humidity64%
Visibility6.2 mi
Dew point56°
Fri, 2370° / 54°0
Morning54°feels 53°
Afternoon70°feels 69°
Evening63°feels 62°
Overnight57°feels 57°
70 °
Waterloo, Friday, 23 October
Overcast. High 70°, low 54°.
Pressure30.24 inHg
Wind10.7 mph SE
Humidity63%
Visibility6.2 mi
Dew point54°
Sat, 2470° / 56°0
Morning57°feels 56°
Afternoon69°feels 68°
Evening65°feels 64°
Overnight59°feels 58°
70 °
Waterloo, Saturday, 24 October
Overcast. High 70°, low 56°.
Pressure30.24 inHg
Wind10.8 mph S
Humidity62%
Visibility6.2 mi
Dew point52°
Sun, 2570° / 57°0
Morning60°feels 60°
Afternoon68°feels 67°
Evening64°feels 64°
Overnight60°feels 60°
70 °
Waterloo, Sunday, 25 October
Overcast. High 70°, low 57°.
Pressure30.30 inHg
Wind6.9 mph S
Humidity66%
Visibility—
Dew point55°
Mon, 2658° / 39°0.54
Morning51°feels 50°
Afternoon47°feels 42°
Evening40°feels 33°
Overnight42°feels 35°
58 °
Waterloo, Monday, 26 October
Rain. High 58°, low 39°.
Pressure30.24 inHg
Wind15.9 mph N
Humidity94%
Visibility—
Dew point47°
Tue, 2742° / 38°0.34
Morning40°feels 34°
Afternoon42°feels 36°
Evening39°feels 34°
Overnight39°feels 33°
42 °
Waterloo, Tuesday, 27 October
Rain. High 42°, low 38°.
Pressure30.42 inHg
Wind13.5 mph N
Humidity77%
Visibility—
Dew point35°
Wed, 2846° / 37°0.1
Morning39°feels 31°
Afternoon44°feels 37°
Evening40°feels 35°
Overnight38°feels 32°
46 °
Waterloo, Wednesday, 28 October
Snow. High 46°, low 37°.
Pressure30.27 inHg
Wind14.3 mph NW
Humidity59%
Visibility—
Dew point30°
Thu, 2945° / 34°0
Morning37°feels 29°
Afternoon42°feels 37°
Evening38°feels 33°
Overnight35°feels 30°
45 °
Waterloo, Thursday, 29 October
Mostly clear. High 45°, low 34°.
Pressure30.33 inHg
Wind11.8 mph N
Humidity49%
Visibility—
Dew point24°
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 Waterloo, 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.