10-day forecast for Monticello, IL: 29° to 67°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Wednesday, November 11
58° · 0.36 in
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1249° / 39°0
Morning44°feels 38°
Afternoon46°feels 39°
Evening42°feels 35°
Overnight40°feels 35°
49 °
Monticello, Thursday, 12 November
Light rain. High 49°, low 39°.
Pressure29.94 inHg
Wind14.2 mph N
Humidity57%
Visibility6.2 mi
Dew point30°
Fri, 1343° / 34°0
Morning37°feels 29°
Afternoon43°feels 37°
Evening39°feels 32°
Overnight39°feels 32°
43 °
Monticello, Friday, 13 November
Overcast. High 43°, low 34°.
Pressure30.06 inHg
Wind13.4 mph N
Humidity66%
Visibility6.2 mi
Dew point25°
Sat, 1445° / 30°0
Morning34°feels 30°
Afternoon44°feels 41°
Evening35°feels 35°
Overnight31°feels 26°
45 °
Monticello, Saturday, 14 November
Clear. High 45°, low 30°.
Pressure30.24 inHg
Wind7.1 mph NW
Humidity59%
Visibility6.2 mi
Dew point24°
Sun, 1549° / 29°0
Morning34°feels 34°
Afternoon47°feels 47°
Evening40°feels 40°
Overnight30°feels 30°
49 °
Monticello, Sunday, 15 November
Clear. High 49°, low 29°.
Pressure30.39 inHg
Wind2 mph N
Humidity53%
Visibility—
Dew point29°
Mon, 1651° / 30°0
Morning36°feels 35°
Afternoon49°feels 46°
Evening43°feels 40°
Overnight38°feels 35°
51 °
Monticello, Monday, 16 November
Clear. High 51°, low 30°.
Pressure30.47 inHg
Wind6 mph E
Humidity49%
Visibility—
Dew point29°
Tue, 1752° / 35°0
Morning39°feels 35°
Afternoon49°feels 46°
Evening44°feels 40°
Overnight40°feels 35°
52 °
Monticello, Tuesday, 17 November
Clear. High 52°, low 35°.
Pressure30.39 inHg
Wind6.8 mph E
Humidity43%
Visibility—
Dew point26°
Wed, 1854° / 36°0
Morning40°feels 36°
Afternoon51°feels 48°
Evening45°feels 41°
Overnight41°feels 36°
54 °
Monticello, Wednesday, 18 November
Clear. High 54°, low 36°.
Pressure30.30 inHg
Wind10.8 mph SE
Humidity39%
Visibility—
Dew point26°
Thu, 1955° / 39°0
Morning42°feels 36°
Afternoon49°feels 45°
Evening51°feels 48°
Overnight47°feels 42°
55 °
Monticello, Thursday, 19 November
Light rain. High 55°, low 39°.
Pressure30.09 inHg
Wind13.7 mph S
Humidity51%
Visibility—
Dew point30°
Fri, 2058° / 49°0.36
Morning50°feels 46°
Afternoon51°feels 49°
Evening53°feels 51°
Overnight52°feels 50°
58 °
Monticello, Friday, 20 November
Rain. High 58°, low 49°.
Pressure30.00 inHg
Wind13.8 mph S
Humidity78%
Visibility—
Dew point44°
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 Monticello, 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.