10-day forecast for Waterloo, IA: 30° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 22
41°
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2069° / 41°0
Morning43°feels 40°
Afternoon67°feels 66°
Evening54°feels 53°
Overnight44°feels 41°
69 °
Waterloo, Tuesday, 20 October
Clear. High 69°, low 41°.
Pressure30.36 inHg
Wind6.5 mph SE
Humidity57%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 47°0
Morning47°feels 45°
Afternoon68°feels 67°
Evening58°feels 57°
Overnight49°feels 47°
69 °
Waterloo, Wednesday, 21 October
Mostly clear. High 69°, low 47°.
Pressure30.24 inHg
Wind3.5 mph S
Humidity67%
Visibility6.2 mi
Dew point52°
Thu, 2271° / 48°0
Morning49°feels 48°
Afternoon70°feels 69°
Evening61°feels 61°
Overnight51°feels 50°
71 °
Waterloo, Thursday, 22 October
Clear. High 71°, low 48°.
Pressure30.30 inHg
Wind5.7 mph SE
Humidity61%
Visibility6.2 mi
Dew point53°
Fri, 2369° / 52°0
Morning57°feels 56°
Afternoon67°feels 67°
Evening64°feels 63°
Overnight55°feels 54°
69 °
Waterloo, Friday, 23 October
Overcast. High 69°, low 52°.
Pressure30.24 inHg
Wind12.4 mph SE
Humidity59%
Visibility—
Dew point51°
Sat, 2469° / 55°0.01
Morning59°feels 58°
Afternoon66°feels 65°
Evening63°feels 62°
Overnight62°feels 61°
69 °
Waterloo, Saturday, 24 October
Light rain. High 69°, low 55°.
Pressure30.27 inHg
Wind12.4 mph S
Humidity58%
Visibility—
Dew point50°
Sun, 2564° / 52°0.16
Morning56°feels 55°
Afternoon61°feels 59°
Evening54°feels 52°
Overnight52°feels 50°
64 °
Waterloo, Sunday, 25 October
Rain. High 64°, low 52°.
Pressure30.24 inHg
Wind12.8 mph W
Humidity34%
Visibility—
Dew point33°
Mon, 2668° / 47°0.09
Morning52°feels 49°
Afternoon65°feels 64°
Evening62°feels 62°
Overnight53°feels 51°
68 °
Waterloo, Monday, 26 October
Light rain. High 68°, low 47°.
Pressure30.09 inHg
Wind14 mph S
Humidity50%
Visibility—
Dew point44°
Tue, 2747° / 38°0.02
Morning40°feels 33°
Afternoon44°feels 38°
Evening41°feels 34°
Overnight38°feels 31°
47 °
Waterloo, Tuesday, 27 October
Light rain. High 47°, low 38°.
Pressure30.30 inHg
Wind15.1 mph N
Humidity51%
Visibility—
Dew point27°
Wed, 2841° / 30°0
Morning32°feels 25°
Afternoon39°feels 32°
Evening35°feels 29°
Overnight32°feels 26°
41 °
Waterloo, Wednesday, 28 October
Clear. High 41°, low 30°.
Pressure30.53 inHg
Wind12 mph N
Humidity37%
Visibility—
Dew point14°
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.