10-day forecast for Onarga, IL: 57° to 91°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Sunday, August 9
77° · 0.22 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 67°0
Morning73°feels 74°
Afternoon89°feels 102°
Evening85°feels 95°
Overnight68°feels 69°
91 °
Onarga, Sunday, 9 August
Light rain. High 91°, low 67°.
Pressure29.97 inHg
Wind14.2 mph S
Humidity75%
Visibility6.2 mi
Dew point75°
Mon, 1088° / 74°0.06
Morning76°feels 78°
Afternoon83°feels 91°
Evening80°feels 80°
Overnight78°feels 79°
88 °
Onarga, Monday, 10 August
Light rain. High 88°, low 74°.
Pressure29.94 inHg
Wind11 mph SW
Humidity71%
Visibility6.2 mi
Dew point74°
Tue, 1182° / 71°0.22
Morning75°feels 76°
Afternoon77°feels 78°
Evening79°feels 79°
Overnight73°feels 74°
82 °
Onarga, Tuesday, 11 August
Rain. High 82°, low 71°.
Pressure29.80 inHg
Wind9.4 mph S
Humidity78%
Visibility6.2 mi
Dew point69°
Wed, 1282° / 70°0.01
Morning71°feels 72°
Afternoon83°feels 88°
Evening73°feels 74°
Overnight73°feels 75°
82 °
Onarga, Wednesday, 12 August
Light rain. High 82°, low 70°.
Pressure29.85 inHg
Wind0.9 mph NW
Humidity74%
Visibility6.2 mi
Dew point72°
Thu, 1377° / 64°0.22
Morning68°feels 69°
Afternoon75°feels 76°
Evening66°feels 66°
Overnight64°feels 65°
77 °
Onarga, Thursday, 13 August
Rain. High 77°, low 64°.
Pressure29.97 inHg
Wind11.5 mph E
Humidity68%
Visibility—
Dew point64°
Fri, 1477° / 60°0
Morning65°feels 66°
Afternoon75°feels 75°
Evening70°feels 70°
Overnight63°feels 63°
77 °
Onarga, Friday, 14 August
Partly cloudy. High 77°, low 60°.
Pressure30.09 inHg
Wind7.8 mph E
Humidity67%
Visibility—
Dew point62°
Sat, 1565° / 57°0.03
Morning61°feels 60°
Afternoon64°feels 65°
Evening61°feels 61°
Overnight59°feels 59°
65 °
Onarga, Saturday, 15 August
Light rain. High 65°, low 57°.
Pressure30.30 inHg
Wind7.9 mph E
Humidity87%
Visibility—
Dew point60°
Sun, 1667° / 60°0
Morning64°feels 63°
Afternoon66°feels 66°
Evening67°feels 67°
Overnight62°feels 62°
67 °
Onarga, Sunday, 16 August
Overcast. High 67°, low 60°.
Pressure30.15 inHg
Wind6.2 mph E
Humidity83%
Visibility—
Dew point60°
Mon, 1777° / 61°0.01
Morning65°feels 65°
Afternoon71°feels 72°
Evening73°feels 74°
Overnight67°feels 67°
77 °
Onarga, Monday, 17 August
Light rain. High 77°, low 61°.
Pressure30.06 inHg
Wind4.7 mph N
Humidity82%
Visibility—
Dew point64°
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 Onarga, 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.