10-day forecast for Harco, IL: 46° to 78°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Thursday, October 29
73° · 0.07 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2373° / 47°0
Morning51°feels 50°
Afternoon73°feels 72°
Evening56°feels 54°
Overnight51°feels 50°
73 °
Harco, Friday, 23 October
Clear. High 73°, low 47°.
Pressure30.27 inHg
Wind5.9 mph SE
Humidity42%
Visibility6.2 mi
Dew point46°
Sat, 2474° / 46°0
Morning50°feels 47°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight50°feels 49°
74 °
Harco, Saturday, 24 October
Mostly clear. High 74°, low 46°.
Pressure30.36 inHg
Wind4.7 mph SE
Humidity45%
Visibility6.2 mi
Dew point48°
Sun, 2576° / 51°0
Morning54°feels 52°
Afternoon76°feels 75°
Evening62°feels 61°
Overnight54°feels 53°
76 °
Harco, Sunday, 25 October
Overcast. High 76°, low 51°.
Pressure30.39 inHg
Wind1.2 mph SW
Humidity40%
Visibility6.2 mi
Dew point48°
Mon, 2675° / 52°0
Morning57°feels 56°
Afternoon75°feels 74°
Evening62°feels 61°
Overnight55°feels 54°
75 °
Harco, Monday, 26 October
Partly cloudy. High 75°, low 52°.
Pressure30.33 inHg
Wind1.4 mph S
Humidity43%
Visibility6.2 mi
Dew point48°
Tue, 2773° / 51°0
Morning57°feels 56°
Afternoon71°feels 70°
Evening63°feels 62°
Overnight58°feels 57°
73 °
Harco, Tuesday, 27 October
Overcast. High 73°, low 51°.
Pressure30.27 inHg
Wind4.8 mph SE
Humidity38%
Visibility—
Dew point43°
Wed, 2877° / 52°0
Morning59°feels 58°
Afternoon73°feels 72°
Evening64°feels 62°
Overnight60°feels 58°
77 °
Harco, Wednesday, 28 October
Overcast. High 77°, low 52°.
Pressure30.15 inHg
Wind8.5 mph S
Humidity35%
Visibility—
Dew point43°
Thu, 2978° / 56°0
Morning62°feels 60°
Afternoon75°feels 74°
Evening65°feels 63°
Overnight62°feels 60°
78 °
Harco, Thursday, 29 October
Overcast. High 78°, low 56°.
Pressure30.21 inHg
Wind12.3 mph S
Humidity26%
Visibility—
Dew point37°
Fri, 3075° / 62°0
Morning63°feels 61°
Afternoon65°feels 64°
Evening67°feels 65°
Overnight64°feels 63°
75 °
Harco, Friday, 30 October
Overcast. High 75°, low 62°.
Pressure30.12 inHg
Wind8.5 mph S
Humidity52%
Visibility—
Dew point46°
Sat, 3173° / 62°0.07
Morning66°feels 65°
Afternoon71°feels 71°
Evening66°feels 66°
Overnight65°feels 65°
73 °
Harco, Saturday, 31 October
Light rain. High 73°, low 62°.
Pressure30.00 inHg
Wind14.5 mph S
Humidity62%
Visibility—
Dew point58°
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.