10-day forecast for Harco, IL: 43° to 81°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Friday, October 30
64°
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2576° / 47°0
Morning51°feels 49°
Afternoon76°feels 75°
Evening63°feels 62°
Overnight50°feels 48°
76 °
Harco, Sunday, 25 October
Overcast. High 76°, low 47°.
Pressure30.39 inHg
Wind2.9 mph W
Humidity42%
Visibility6.2 mi
Dew point50°
Mon, 2675° / 55°0
Morning56°feels 55°
Afternoon75°feels 74°
Evening62°feels 61°
Overnight59°feels 58°
75 °
Harco, Monday, 26 October
Overcast. High 75°, low 55°.
Pressure30.33 inHg
Wind5 mph SW
Humidity42%
Visibility6.2 mi
Dew point49°
Tue, 2774° / 54°0
Morning55°feels 54°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight56°feels 55°
74 °
Harco, Tuesday, 27 October
Overcast. High 74°, low 54°.
Pressure30.24 inHg
Wind1.7 mph SE
Humidity49%
Visibility6.2 mi
Dew point51°
Wed, 2876° / 53°0
Morning60°feels 58°
Afternoon74°feels 73°
Evening64°feels 62°
Overnight56°feels 55°
76 °
Harco, Wednesday, 28 October
Clear. High 76°, low 53°.
Pressure30.21 inHg
Wind8.1 mph S
Humidity34%
Visibility—
Dew point43°
Thu, 2976° / 55°0
Morning61°feels 60°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight61°feels 60°
76 °
Harco, Thursday, 29 October
Overcast. High 76°, low 55°.
Pressure30.24 inHg
Wind8.5 mph SW
Humidity42%
Visibility—
Dew point48°
Fri, 3081° / 57°0
Morning63°feels 62°
Afternoon79°feels 77°
Evening69°feels 67°
Overnight64°feels 62°
81 °
Harco, Friday, 30 October
Partly cloudy. High 81°, low 57°.
Pressure30.18 inHg
Wind8.5 mph SW
Humidity25%
Visibility—
Dew point38°
Sat, 3178° / 63°0
Morning67°feels 66°
Afternoon77°feels 76°
Evening71°feels 69°
Overnight69°feels 68°
78 °
Harco, Saturday, 31 October
Overcast. High 78°, low 63°.
Pressure30.12 inHg
Wind14.6 mph S
Humidity29%
Visibility—
Dew point41°
Sun, 0168° / 59°0.02
Morning64°feels 63°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight60°feels 60°
68 °
Harco, Sunday, 1 November
Light rain. High 68°, low 59°.
Pressure30.09 inHg
Wind17 mph SW
Humidity69%
Visibility—
Dew point56°
Mon, 0264° / 58°0.02
Morning60°feels 60°
Afternoon63°feels 63°
Evening59°feels 60°
Overnight58°feels 59°
64 °
Harco, Monday, 2 November
Light rain. High 64°, low 58°.
Pressure30.03 inHg
Wind7.4 mph SE
Humidity83%
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.