10-day forecast for Waterloo, IA: 37° to 87°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, October 12
61° · 0.67 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1287° / 65°0
Morning67°feels 67°
Afternoon84°feels 88°
Evening74°feels 75°
Overnight68°feels 68°
87 °
Waterloo, Monday, 12 October
Clear. High 87°, low 65°.
Pressure29.74 inHg
Wind11.6 mph SW
Humidity62%
Visibility6.2 mi
Dew point65°
Tue, 1372° / 60°0.06
Morning63°feels 63°
Afternoon72°feels 72°
Evening64°feels 64°
Overnight68°feels 69°
72 °
Waterloo, Tuesday, 13 October
Light rain. High 72°, low 60°.
Pressure29.88 inHg
Wind6.7 mph NW
Humidity66%
Visibility6.2 mi
Dew point58°
Wed, 1467° / 55°0
Morning55°feels 54°
Afternoon67°feels 66°
Evening60°feels 59°
Overnight58°feels 57°
67 °
Waterloo, Wednesday, 14 October
Overcast. High 67°, low 55°.
Pressure30.12 inHg
Wind7.7 mph NE
Humidity62%
Visibility6.2 mi
Dew point52°
Thu, 1561° / 55°0.67
Morning56°feels 55°
Afternoon60°feels 60°
Evening58°feels 57°
Overnight57°feels 57°
61 °
Waterloo, Thursday, 15 October
Rain. High 61°, low 55°.
Pressure30.06 inHg
Wind7.2 mph E
Humidity87%
Visibility6.2 mi
Dew point55°
Fri, 1657° / 46°0
Morning49°feels 45°
Afternoon54°feels 52°
Evening49°feels 47°
Overnight46°feels 43°
57 °
Waterloo, Friday, 16 October
Clear. High 57°, low 46°.
Pressure30.59 inHg
Wind19.3 mph NW
Humidity46%
Visibility—
Dew point34°
Sat, 1749° / 37°0
Morning41°feels 37°
Afternoon47°feels 42°
Evening40°feels 35°
Overnight39°feels 32°
49 °
Waterloo, Saturday, 17 October
Overcast. High 49°, low 37°.
Pressure30.59 inHg
Wind12.2 mph S
Humidity41%
Visibility—
Dew point24°
Sun, 1857° / 37°0
Morning42°feels 35°
Afternoon53°feels 51°
Evening50°feels 47°
Overnight46°feels 39°
57 °
Waterloo, Sunday, 18 October
Clear. High 57°, low 37°.
Pressure30.27 inHg
Wind21.1 mph SW
Humidity43%
Visibility—
Dew point30°
Mon, 1962° / 42°0
Morning47°feels 43°
Afternoon58°feels 56°
Evening53°feels 51°
Overnight49°feels 46°
62 °
Waterloo, Monday, 19 October
Mostly clear. High 62°, low 42°.
Pressure30.27 inHg
Wind12.4 mph SW
Humidity47%
Visibility—
Dew point37°
Tue, 2058° / 50°0.02
Morning52°feels 50°
Afternoon54°feels 52°
Evening56°feels 55°
Overnight56°feels 55°
58 °
Waterloo, Tuesday, 20 October
Light rain. High 58°, low 50°.
Pressure30.24 inHg
Wind12.5 mph S
Humidity65%
Visibility—
Dew point42°
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.