10-day forecast for Harness, IL: 28° to 68°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Tuesday, November 10
62° · 0.15 in
Worst day: Wednesday, November 11
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1162° / 43°0.15
Morning51°feels 50°
Afternoon61°feels 60°
Evening47°feels 42°
Overnight45°feels 42°
62 °
Harness, Wednesday, 11 November
Rain. High 62°, low 43°.
Pressure29.74 inHg
Wind12 mph W
Humidity74%
Visibility6.2 mi
Dew point51°
Thu, 1247° / 40°0.02
Morning42°feels 35°
Afternoon44°feels 37°
Evening42°feels 36°
Overnight44°feels 39°
47 °
Harness, Thursday, 12 November
Light rain. High 47°, low 40°.
Pressure29.97 inHg
Wind15.9 mph N
Humidity55%
Visibility6.2 mi
Dew point29°
Fri, 1343° / 36°0
Morning38°feels 31°
Afternoon43°feels 36°
Evening37°feels 32°
Overnight39°feels 33°
43 °
Harness, Friday, 13 November
Overcast. High 43°, low 36°.
Pressure30.09 inHg
Wind13.5 mph N
Humidity61%
Visibility6.2 mi
Dew point24°
Sat, 1445° / 28°0
Morning34°feels 31°
Afternoon44°feels 44°
Evening37°feels 35°
Overnight31°feels 27°
45 °
Harness, Saturday, 14 November
Clear. High 45°, low 28°.
Pressure30.27 inHg
Wind2.6 mph N
Humidity60%
Visibility6.2 mi
Dew point26°
Sun, 1549° / 29°0
Morning34°feels 31°
Afternoon46°feels 44°
Evening39°feels 35°
Overnight35°feels 30°
49 °
Harness, Sunday, 15 November
Clear. High 49°, low 29°.
Pressure30.42 inHg
Wind6.2 mph E
Humidity52%
Visibility—
Dew point29°
Mon, 1650° / 31°0
Morning36°feels 32°
Afternoon47°feels 44°
Evening42°feels 37°
Overnight38°feels 33°
50 °
Harness, Monday, 16 November
Clear. High 50°, low 31°.
Pressure30.47 inHg
Wind6.8 mph NE
Humidity52%
Visibility—
Dew point29°
Tue, 1751° / 34°0
Morning39°feels 35°
Afternoon48°feels 46°
Evening43°feels 39°
Overnight40°feels 35°
51 °
Harness, Tuesday, 17 November
Clear. High 51°, low 34°.
Pressure30.39 inHg
Wind7.1 mph SE
Humidity44%
Visibility—
Dew point26°
Wed, 1855° / 35°0
Morning40°feels 35°
Afternoon51°feels 48°
Evening46°feels 41°
Overnight43°feels 37°
55 °
Harness, Wednesday, 18 November
Mostly clear. High 55°, low 35°.
Pressure30.24 inHg
Wind13.3 mph SE
Humidity39%
Visibility—
Dew point26°
Thu, 1956° / 44°0.05
Morning46°feels 40°
Afternoon50°feels 47°
Evening49°feels 45°
Overnight49°feels 47°
56 °
Harness, Thursday, 19 November
Light rain. High 56°, low 44°.
Pressure30.06 inHg
Wind14 mph S
Humidity75%
Visibility—
Dew point42°
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.