10-day forecast for Harco, IL: 44° to 84°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Saturday, October 31
62° · 0.17 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2677° / 49°0
Morning55°feels 54°
Afternoon75°feels 74°
Evening62°feels 61°
Overnight53°feels 52°
77 °
Harco, Monday, 26 October
Overcast. High 77°, low 49°.
Pressure30.33 inHg
Wind5.9 mph SW
Humidity42%
Visibility6.2 mi
Dew point49°
Tue, 2773° / 52°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight56°feels 55°
73 °
Harco, Tuesday, 27 October
Overcast. High 73°, low 52°.
Pressure30.27 inHg
Wind4.8 mph S
Humidity44%
Visibility6.2 mi
Dew point49°
Wed, 2875° / 53°0
Morning58°feels 57°
Afternoon75°feels 74°
Evening64°feels 63°
Overnight57°feels 56°
75 °
Harco, Wednesday, 28 October
Clear. High 75°, low 53°.
Pressure30.24 inHg
Wind7.1 mph S
Humidity45%
Visibility6.2 mi
Dew point50°
Thu, 2977° / 56°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening66°feels 65°
Overnight58°feels 57°
77 °
Harco, Thursday, 29 October
Clear. High 77°, low 56°.
Pressure30.21 inHg
Wind8 mph S
Humidity40%
Visibility—
Dew point48°
Fri, 3078° / 55°0
Morning61°feels 60°
Afternoon76°feels 75°
Evening68°feels 67°
Overnight65°feels 64°
78 °
Harco, Friday, 30 October
Overcast. High 78°, low 55°.
Pressure30.18 inHg
Wind7.3 mph S
Humidity35%
Visibility—
Dew point45°
Sat, 3180° / 64°0
Morning68°feels 67°
Afternoon76°feels 75°
Evening73°feels 72°
Overnight71°feels 70°
80 °
Harco, Saturday, 31 October
Overcast. High 80°, low 64°.
Pressure30.15 inHg
Wind14.8 mph S
Humidity38%
Visibility—
Dew point48°
Sun, 0184° / 69°0.1
Morning72°feels 72°
Afternoon78°feels 78°
Evening74°feels 75°
Overnight71°feels 72°
84 °
Harco, Sunday, 1 November
Light rain. High 84°, low 69°.
Pressure30.00 inHg
Wind20.5 mph SW
Humidity54%
Visibility—
Dew point60°
Mon, 0272° / 63°0.02
Morning67°feels 67°
Afternoon67°feels 67°
Evening65°feels 64°
Overnight64°feels 63°
72 °
Harco, Monday, 2 November
Light rain. High 72°, low 63°.
Pressure30.06 inHg
Wind5.2 mph W
Humidity80%
Visibility—
Dew point61°
Tue, 0362° / 55°0.17
Morning59°feels 58°
Afternoon55°feels 53°
Evening55°feels 55°
Overnight57°feels 57°
62 °
Harco, Tuesday, 3 November
Light rain. High 62°, low 55°.
Pressure30.06 inHg
Wind18.5 mph E
Humidity71%
Visibility—
Dew point46°
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.