10-day forecast for Harco, IL: 55° to 74°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Saturday, October 31
69° · 0.91 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0165° / 56°0.11
Morning58°feels 58°
Afternoon64°feels 63°
Evening57°feels 56°
Overnight58°feels 58°
65 °
Harco, Sunday, 1 November
Rain. High 65°, low 56°.
Pressure30.30 inHg
Wind10.7 mph SE
Humidity83%
Visibility6.2 mi
Dew point54°
Mon, 0269° / 57°0
Morning59°feels 59°
Afternoon67°feels 66°
Evening65°feels 64°
Overnight57°feels 56°
69 °
Harco, Monday, 2 November
Overcast. High 69°, low 57°.
Pressure30.12 inHg
Wind10.9 mph S
Humidity69%
Visibility6.2 mi
Dew point54°
Tue, 0372° / 64°0.01
Morning65°feels 65°
Afternoon72°feels 72°
Evening68°feels 68°
Overnight64°feels 63°
72 °
Harco, Tuesday, 3 November
Light rain. High 72°, low 64°.
Pressure30.03 inHg
Wind15.9 mph S
Humidity69%
Visibility6.2 mi
Dew point60°
Wed, 0469° / 64°0.91
Morning65°feels 66°
Afternoon67°feels 68°
Evening65°feels 66°
Overnight66°feels 66°
69 °
Harco, Wednesday, 4 November
Rain. High 69°, low 64°.
Pressure29.77 inHg
Wind11.5 mph SE
Humidity96%
Visibility—
Dew point66°
Thu, 0566° / 59°0.52
Morning64°feels 64°
Afternoon65°feels 65°
Evening60°feels 60°
Overnight60°feels 60°
66 °
Harco, Thursday, 5 November
Rain. High 66°, low 59°.
Pressure29.59 inHg
Wind7.7 mph SW
Humidity85%
Visibility—
Dew point61°
Fri, 0666° / 55°0
Morning59°feels 59°
Afternoon64°feels 64°
Evening61°feels 61°
Overnight60°feels 60°
66 °
Harco, Friday, 6 November
Overcast. High 66°, low 55°.
Pressure29.94 inHg
Wind5.9 mph N
Humidity78%
Visibility—
Dew point56°
Sat, 0767° / 60°0.01
Morning62°feels 63°
Afternoon67°feels 67°
Evening66°feels 65°
Overnight64°feels 64°
67 °
Harco, Saturday, 7 November
Light rain. High 67°, low 60°.
Pressure29.94 inHg
Wind6.9 mph S
Humidity79%
Visibility—
Dew point60°
Sun, 0874° / 62°0.39
Morning65°feels 66°
Afternoon72°feels 72°
Evening64°feels 64°
Overnight63°feels 64°
74 °
Harco, Sunday, 8 November
Rain. High 74°, low 62°.
Pressure29.91 inHg
Wind9.8 mph S
Humidity66%
Visibility—
Dew point60°
Mon, 0964° / 55°0.7
Morning62°feels 63°
Afternoon62°feels 62°
Evening57°feels 57°
Overnight57°feels 56°
64 °
Harco, Monday, 9 November
Rain. High 64°, low 55°.
Pressure29.88 inHg
Wind7.9 mph S
Humidity81%
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.