10-day forecast for Harco, IL: 45° to 80°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 29
64° · 0.14 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2474° / 45°0
Morning50°feels 47°
Afternoon73°feels 72°
Evening55°feels 53°
Overnight49°feels 47°
74 °
Harco, Saturday, 24 October
Mostly clear. High 74°, low 45°.
Pressure30.36 inHg
Wind4.2 mph SE
Humidity47%
Visibility6.2 mi
Dew point48°
Sun, 2575° / 46°0
Morning53°feels 52°
Afternoon75°feels 74°
Evening63°feels 62°
Overnight49°feels 48°
75 °
Harco, Sunday, 25 October
Overcast. High 75°, low 46°.
Pressure30.42 inHg
Wind2.5 mph SW
Humidity43%
Visibility6.2 mi
Dew point50°
Mon, 2674° / 54°0
Morning55°feels 54°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight56°feels 55°
74 °
Harco, Monday, 26 October
Overcast. High 74°, low 54°.
Pressure30.33 inHg
Wind2.6 mph SW
Humidity43%
Visibility6.2 mi
Dew point49°
Tue, 2773° / 52°0
Morning57°feels 56°
Afternoon73°feels 72°
Evening64°feels 63°
Overnight56°feels 55°
73 °
Harco, Tuesday, 27 October
Overcast. High 73°, low 52°.
Pressure30.24 inHg
Wind3.4 mph SE
Humidity49%
Visibility6.2 mi
Dew point50°
Wed, 2875° / 53°0
Morning59°feels 58°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight61°feels 60°
75 °
Harco, Wednesday, 28 October
Clear. High 75°, low 53°.
Pressure30.18 inHg
Wind9.8 mph SW
Humidity38%
Visibility—
Dew point45°
Thu, 2980° / 55°0
Morning62°feels 62°
Afternoon77°feels 77°
Evening66°feels 64°
Overnight62°feels 60°
80 °
Harco, Thursday, 29 October
Mostly clear. High 80°, low 55°.
Pressure30.21 inHg
Wind10 mph SW
Humidity30%
Visibility—
Dew point42°
Fri, 3079° / 56°0
Morning62°feels 60°
Afternoon76°feels 74°
Evening68°feels 67°
Overnight65°feels 63°
79 °
Harco, Friday, 30 October
Overcast. High 79°, low 56°.
Pressure30.15 inHg
Wind8.1 mph SW
Humidity29%
Visibility—
Dew point40°
Sat, 3165° / 60°0.03
Morning63°feels 62°
Afternoon63°feels 62°
Evening61°feels 60°
Overnight60°feels 60°
65 °
Harco, Saturday, 31 October
Light rain. High 65°, low 60°.
Pressure30.15 inHg
Wind12.7 mph S
Humidity68%
Visibility—
Dew point52°
Sun, 0164° / 59°0.14
Morning60°feels 60°
Afternoon64°feels 64°
Evening63°feels 63°
Overnight60°feels 60°
64 °
Harco, Sunday, 1 November
Light rain. High 64°, low 59°.
Pressure30.18 inHg
Wind11 mph S
Humidity80%
Visibility—
Dew point57°
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 Harco, 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.