10-day forecast for Waterloo, IA: 30° to 70°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Thursday, October 22
57° · 0.74 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2069° / 41°0
Morning42°feels 39°
Afternoon67°feels 66°
Evening51°feels 50°
Overnight44°feels 41°
69 °
Waterloo, Tuesday, 20 October
Clear. High 69°, low 41°.
Pressure30.36 inHg
Wind6.5 mph SE
Humidity58%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 46°0
Morning47°feels 45°
Afternoon68°feels 67°
Evening58°feels 57°
Overnight49°feels 47°
69 °
Waterloo, Wednesday, 21 October
Clear. High 69°, low 46°.
Pressure30.27 inHg
Wind3 mph S
Humidity67%
Visibility6.2 mi
Dew point52°
Thu, 2270° / 48°0
Morning49°feels 48°
Afternoon69°feels 69°
Evening59°feels 59°
Overnight51°feels 50°
70 °
Waterloo, Thursday, 22 October
Clear. High 70°, low 48°.
Pressure30.30 inHg
Wind5.9 mph SE
Humidity63%
Visibility6.2 mi
Dew point54°
Fri, 2366° / 52°0
Morning54°feels 53°
Afternoon66°feels 65°
Evening60°feels 59°
Overnight54°feels 54°
66 °
Waterloo, Friday, 23 October
Overcast. High 66°, low 52°.
Pressure30.24 inHg
Wind11 mph SE
Humidity66%
Visibility6.2 mi
Dew point52°
Sat, 2468° / 53°0
Morning56°feels 55°
Afternoon65°feels 64°
Evening62°feels 61°
Overnight59°feels 58°
68 °
Waterloo, Saturday, 24 October
Overcast. High 68°, low 53°.
Pressure30.24 inHg
Wind13 mph S
Humidity58%
Visibility—
Dew point49°
Sun, 2563° / 53°0.05
Morning57°feels 56°
Afternoon61°feels 58°
Evening56°feels 52°
Overnight53°feels 51°
63 °
Waterloo, Sunday, 25 October
Light rain. High 63°, low 53°.
Pressure30.33 inHg
Wind10.4 mph NW
Humidity25%
Visibility—
Dew point25°
Mon, 2657° / 47°0.22
Morning49°feels 46°
Afternoon55°feels 53°
Evening55°feels 54°
Overnight55°feels 54°
57 °
Waterloo, Monday, 26 October
Rain. High 57°, low 47°.
Pressure30.18 inHg
Wind14.6 mph S
Humidity52%
Visibility—
Dew point36°
Tue, 2757° / 36°0.74
Morning49°feels 46°
Afternoon44°feels 35°
Evening39°feels 30°
Overnight39°feels 31°
57 °
Waterloo, Tuesday, 27 October
Rain. High 57°, low 36°.
Pressure30.12 inHg
Wind19.8 mph N
Humidity69%
Visibility—
Dew point36°
Wed, 2842° / 30°0
Morning33°feels 24°
Afternoon39°feels 31°
Evening35°feels 28°
Overnight32°feels 25°
42 °
Waterloo, Wednesday, 28 October
Clear. High 42°, low 30°.
Pressure30.39 inHg
Wind14.1 mph NW
Humidity34%
Visibility—
Dew point13°
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.