10-day forecast for Waterloo, IL: 49° to 80°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 29
61° · 0.96 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2777° / 51°0
Morning54°feels 53°
Afternoon74°feels 73°
Evening63°feels 62°
Overnight57°feels 56°
77 °
Waterloo, Tuesday, 27 October
Overcast. High 77°, low 51°.
Pressure30.24 inHg
Wind6 mph S
Humidity48%
Visibility6.2 mi
Dew point50°
Wed, 2879° / 49°0
Morning52°feels 50°
Afternoon76°feels 75°
Evening64°feels 63°
Overnight53°feels 51°
79 °
Waterloo, Wednesday, 28 October
Clear. High 79°, low 49°.
Pressure30.21 inHg
Wind6.3 mph S
Humidity46%
Visibility6.2 mi
Dew point51°
Thu, 2980° / 57°0
Morning58°feels 58°
Afternoon80°feels 80°
Evening69°feels 69°
Overnight58°feels 58°
80 °
Waterloo, Thursday, 29 October
Clear. High 80°, low 57°.
Pressure30.15 inHg
Wind6.3 mph SW
Humidity48%
Visibility6.2 mi
Dew point56°
Fri, 3078° / 59°0
Morning61°feels 61°
Afternoon76°feels 76°
Evening70°feels 69°
Overnight61°feels 62°
78 °
Waterloo, Friday, 30 October
Overcast. High 78°, low 59°.
Pressure30.18 inHg
Wind2.9 mph SE
Humidity67%
Visibility6.2 mi
Dew point60°
Sat, 3168° / 62°0.03
Morning64°feels 64°
Afternoon68°feels 67°
Evening63°feels 63°
Overnight62°feels 62°
68 °
Waterloo, Saturday, 31 October
Light rain. High 68°, low 62°.
Pressure30.12 inHg
Wind6.3 mph SE
Humidity61%
Visibility—
Dew point54°
Sun, 0168° / 59°0.77
Morning62°feels 62°
Afternoon67°feels 67°
Evening62°feels 61°
Overnight60°feels 60°
68 °
Waterloo, Sunday, 1 November
Rain. High 68°, low 59°.
Pressure29.94 inHg
Wind7.1 mph E
Humidity76%
Visibility—
Dew point59°
Mon, 0267° / 56°0.15
Morning59°feels 58°
Afternoon66°feels 66°
Evening63°feels 64°
Overnight62°feels 62°
67 °
Waterloo, Monday, 2 November
Light rain. High 67°, low 56°.
Pressure29.80 inHg
Wind16.6 mph SE
Humidity59%
Visibility—
Dew point51°
Tue, 0373° / 61°0.2
Morning67°feels 67°
Afternoon71°feels 71°
Evening62°feels 62°
Overnight62°feels 62°
73 °
Waterloo, Tuesday, 3 November
Light rain. High 73°, low 61°.
Pressure29.74 inHg
Wind17 mph SE
Humidity62%
Visibility—
Dew point58°
Wed, 0461° / 49°0.96
Morning54°feels 53°
Afternoon59°feels 57°
Evening53°feels 51°
Overnight50°feels 46°
61 °
Waterloo, Wednesday, 4 November
Heavy rain. High 61°, low 49°.
Pressure29.65 inHg
Wind13.9 mph NW
Humidity52%
Visibility—
Dew point41°
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, IL 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.