10-day forecast for Pontiac, IL: 59° to 94°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Monday, August 10
77° · 0.64 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 75°0.02
Morning78°feels 80°
Afternoon93°feels 105°
Evening83°feels 90°
Overnight79°feels 79°
94 °
Pontiac, Monday, 10 August
Light rain. High 94°, low 75°.
Pressure29.91 inHg
Wind11.4 mph SW
Humidity66%
Visibility6.2 mi
Dew point73°
Tue, 1191° / 67°0.11
Morning74°feels 75°
Afternoon90°feels 100°
Evening83°feels 88°
Overnight67°feels 68°
91 °
Pontiac, Tuesday, 11 August
Rain. High 91°, low 67°.
Pressure29.83 inHg
Wind15.5 mph SW
Humidity62%
Visibility6.2 mi
Dew point73°
Wed, 1285° / 69°0.06
Morning71°feels 72°
Afternoon85°feels 88°
Evening75°feels 77°
Overnight73°feels 75°
85 °
Pontiac, Wednesday, 12 August
Rain. High 85°, low 69°.
Pressure29.85 inHg
Wind5.2 mph NE
Humidity63%
Visibility6.2 mi
Dew point68°
Thu, 1377° / 64°0.64
Morning70°feels 71°
Afternoon75°feels 76°
Evening64°feels 65°
Overnight67°feels 68°
77 °
Pontiac, Thursday, 13 August
Rain. High 77°, low 64°.
Pressure29.88 inHg
Wind16.6 mph E
Humidity77%
Visibility—
Dew point68°
Fri, 1475° / 64°0.07
Morning67°feels 68°
Afternoon73°feels 74°
Evening70°feels 70°
Overnight66°feels 66°
75 °
Pontiac, Friday, 14 August
Light rain. High 75°, low 64°.
Pressure30.09 inHg
Wind13.6 mph E
Humidity66%
Visibility—
Dew point61°
Sat, 1576° / 63°0.22
Morning66°feels 67°
Afternoon73°feels 74°
Evening73°feels 73°
Overnight67°feels 68°
76 °
Pontiac, Saturday, 15 August
Light rain. High 76°, low 63°.
Pressure30.18 inHg
Wind15.8 mph SE
Humidity76%
Visibility—
Dew point64°
Sun, 1678° / 68°0
Morning72°feels 73°
Afternoon77°feels 78°
Evening72°feels 73°
Overnight71°feels 72°
78 °
Pontiac, Sunday, 16 August
Overcast. High 78°, low 68°.
Pressure30.00 inHg
Wind13.1 mph NW
Humidity77%
Visibility—
Dew point69°
Mon, 1776° / 62°0
Morning67°feels 67°
Afternoon75°feels 75°
Evening68°feels 69°
Overnight63°feels 63°
76 °
Pontiac, Monday, 17 August
Partly cloudy. High 76°, low 62°.
Pressure30.09 inHg
Wind7.7 mph N
Humidity59%
Visibility—
Dew point59°
Tue, 1880° / 59°0
Morning65°feels 65°
Afternoon76°feels 77°
Evening76°feels 77°
Overnight68°feels 69°
80 °
Pontiac, Tuesday, 18 August
Overcast. High 80°, low 59°.
Pressure29.88 inHg
Wind10.1 mph S
Humidity68%
Visibility—
Dew point63°
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 Pontiac, 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.