10-day forecast for Waterloo, IA: 35° to 67°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Tuesday, October 20
60° · 1.39 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1560° / 52°1.39
Morning57°feels 57°
Afternoon58°feels 59°
Evening53°feels 52°
Overnight60°feels 60°
60 °
Waterloo, Thursday, 15 October
Heavy rain. High 60°, low 52°.
Pressure29.94 inHg
Wind5.6 mph E
Humidity97%
Visibility1.5 mi
Dew point57°
Fri, 1652° / 42°0.01
Morning48°feels 41°
Afternoon49°feels 42°
Evening45°feels 41°
Overnight48°feels 42°
52 °
Waterloo, Friday, 16 October
Light rain. High 52°, low 42°.
Pressure30.30 inHg
Wind22 mph N
Humidity68%
Visibility6.2 mi
Dew point38°
Sat, 1756° / 35°0
Morning36°feels 36°
Afternoon56°feels 53°
Evening47°feels 43°
Overnight38°feels 34°
56 °
Waterloo, Saturday, 17 October
Clear. High 56°, low 35°.
Pressure30.53 inHg
Wind8.7 mph SW
Humidity46%
Visibility6.2 mi
Dew point32°
Sun, 1861° / 42°0
Morning44°feels 39°
Afternoon59°feels 57°
Evening52°feels 51°
Overnight44°feels 38°
61 °
Waterloo, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.36 inHg
Wind12.1 mph S
Humidity55%
Visibility6.2 mi
Dew point39°
Mon, 1963° / 43°0
Morning48°feels 46°
Afternoon60°feels 59°
Evening53°feels 52°
Overnight48°feels 46°
63 °
Waterloo, Monday, 19 October
Clear. High 63°, low 43°.
Pressure30.36 inHg
Wind6.5 mph S
Humidity60%
Visibility—
Dew point45°
Tue, 2066° / 44°0
Morning49°feels 47°
Afternoon62°feels 60°
Evening57°feels 56°
Overnight53°feels 51°
66 °
Waterloo, Tuesday, 20 October
Partly cloudy. High 66°, low 44°.
Pressure30.30 inHg
Wind10.6 mph S
Humidity55%
Visibility—
Dew point44°
Wed, 2165° / 50°0.08
Morning54°feels 53°
Afternoon64°feels 64°
Evening63°feels 63°
Overnight60°feels 60°
65 °
Waterloo, Wednesday, 21 October
Light rain. High 65°, low 50°.
Pressure30.12 inHg
Wind12.8 mph S
Humidity65%
Visibility—
Dew point51°
Thu, 2267° / 59°0.27
Morning63°feels 63°
Afternoon67°feels 67°
Evening62°feels 62°
Overnight59°feels 59°
67 °
Waterloo, Thursday, 22 October
Rain. High 67°, low 59°.
Pressure29.91 inHg
Wind12.1 mph S
Humidity83%
Visibility—
Dew point61°
Fri, 2367° / 54°0.04
Morning57°feels 57°
Afternoon66°feels 66°
Evening65°feels 65°
Overnight64°feels 64°
67 °
Waterloo, Friday, 23 October
Light rain. High 67°, low 54°.
Pressure30.00 inHg
Wind15.8 mph SE
Humidity70%
Visibility—
Dew point55°
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.