10-day forecast for Harness, IL: 28° to 77°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Sunday, October 25
44°
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2173° / 44°0
Morning48°feels 48°
Afternoon73°feels 72°
Evening59°feels 58°
Overnight47°feels 46°
73 °
Harness, Wednesday, 21 October
Clear. High 73°, low 44°.
Pressure30.27 inHg
Wind1.7 mph SW
Humidity45%
Visibility6.2 mi
Dew point46°
Thu, 2272° / 48°0
Morning50°feels 50°
Afternoon72°feels 71°
Evening60°feels 60°
Overnight51°feels 50°
72 °
Harness, Thursday, 22 October
Clear. High 72°, low 48°.
Pressure30.30 inHg
Wind0.9 mph N
Humidity47%
Visibility6.2 mi
Dew point49°
Fri, 2371° / 51°0
Morning52°feels 51°
Afternoon70°feels 69°
Evening61°feels 59°
Overnight53°feels 52°
71 °
Harness, Friday, 23 October
Clear. High 71°, low 51°.
Pressure30.33 inHg
Wind7.8 mph SE
Humidity49%
Visibility6.2 mi
Dew point49°
Sat, 2471° / 51°0
Morning56°feels 55°
Afternoon69°feels 67°
Evening61°feels 60°
Overnight54°feels 53°
71 °
Harness, Saturday, 24 October
Overcast. High 71°, low 51°.
Pressure30.36 inHg
Wind8.9 mph S
Humidity45%
Visibility—
Dew point45°
Sun, 2577° / 55°0
Morning60°feels 59°
Afternoon73°feels 72°
Evening66°feels 65°
Overnight63°feels 62°
77 °
Harness, Sunday, 25 October
Overcast. High 77°, low 55°.
Pressure30.36 inHg
Wind7.3 mph S
Humidity42%
Visibility—
Dew point47°
Mon, 2671° / 52°0.01
Morning62°feels 60°
Afternoon70°feels 68°
Evening61°feels 60°
Overnight54°feels 52°
71 °
Harness, Monday, 26 October
Light rain. High 71°, low 52°.
Pressure30.15 inHg
Wind15.3 mph SW
Humidity32%
Visibility—
Dew point38°
Tue, 2753° / 40°0.01
Morning45°feels 40°
Afternoon52°feels 48°
Evening46°feels 39°
Overnight40°feels 32°
53 °
Harness, Tuesday, 27 October
Light rain. High 53°, low 40°.
Pressure30.39 inHg
Wind16.6 mph NW
Humidity35%
Visibility—
Dew point25°
Wed, 2844° / 28°0
Morning32°feels 26°
Afternoon41°feels 36°
Evening36°feels 31°
Overnight33°feels 28°
44 °
Harness, Wednesday, 28 October
Clear. High 44°, low 28°.
Pressure30.53 inHg
Wind11.2 mph N
Humidity24%
Visibility—
Dew point6°
Thu, 2953° / 29°0
Morning35°feels 29°
Afternoon50°feels 46°
Evening49°feels 46°
Overnight43°feels 37°
53 °
Harness, Thursday, 29 October
Overcast. High 53°, low 29°.
Pressure30.21 inHg
Wind12.8 mph SW
Humidity23%
Visibility—
Dew point11°
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 Harness, 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.