10-day forecast for Mendon, IL: 40° to 89°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Monday, October 12
68° · 1.76 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1389° / 69°0.04
Morning71°feels 71°
Afternoon88°feels 93°
Evening75°feels 76°
Overnight76°feels 75°
89 °
Mendon, Tuesday, 13 October
Light rain. High 89°, low 69°.
Pressure29.88 inHg
Wind5.2 mph W
Humidity62%
Visibility6.2 mi
Dew point67°
Wed, 1472° / 66°0.31
Morning66°feels 67°
Afternoon72°feels 72°
Evening69°feels 70°
Overnight70°feels 71°
72 °
Mendon, Wednesday, 14 October
Rain. High 72°, low 66°.
Pressure30.06 inHg
Wind6.4 mph NE
Humidity85%
Visibility3.2 mi
Dew point66°
Thu, 1568° / 61°1.76
Morning65°feels 66°
Afternoon68°feels 69°
Evening63°feels 64°
Overnight68°feels 69°
68 °
Mendon, Thursday, 15 October
Heavy rain. High 68°, low 61°.
Pressure30.00 inHg
Wind3.1 mph E
Humidity97%
Visibility1.6 mi
Dew point66°
Fri, 1660° / 49°0
Morning51°feels 49°
Afternoon58°feels 56°
Evening52°feels 50°
Overnight59°feels 59°
60 °
Mendon, Friday, 16 October
Overcast. High 60°, low 49°.
Pressure30.45 inHg
Wind20.3 mph NW
Humidity43%
Visibility—
Dew point35°
Sat, 1761° / 40°0
Morning46°feels 45°
Afternoon58°feels 55°
Evening51°feels 49°
Overnight47°feels 45°
61 °
Mendon, Saturday, 17 October
Clear. High 61°, low 40°.
Pressure30.50 inHg
Wind6.9 mph S
Humidity44%
Visibility—
Dew point35°
Sun, 1867° / 42°0
Morning48°feels 43°
Afternoon62°feels 59°
Evening55°feels 52°
Overnight51°feels 47°
67 °
Mendon, Sunday, 18 October
Clear. High 67°, low 42°.
Pressure30.24 inHg
Wind14.3 mph S
Humidity30%
Visibility—
Dew point29°
Mon, 1959° / 52°0.39
Morning54°feels 51°
Afternoon53°feels 52°
Evening53°feels 53°
Overnight54°feels 53°
59 °
Mendon, Monday, 19 October
Rain. High 59°, low 52°.
Pressure30.21 inHg
Wind11.5 mph S
Humidity87%
Visibility—
Dew point49°
Tue, 2074° / 53°0
Morning58°feels 57°
Afternoon71°feels 69°
Evening66°feels 65°
Overnight60°feels 60°
74 °
Mendon, Tuesday, 20 October
Partly cloudy. High 74°, low 53°.
Pressure30.18 inHg
Wind7.2 mph E
Humidity47%
Visibility—
Dew point48°
Wed, 2178° / 60°0.09
Morning64°feels 64°
Afternoon75°feels 75°
Evening69°feels 69°
Overnight66°feels 66°
78 °
Mendon, Wednesday, 21 October
Light rain. High 78°, low 60°.
Pressure30.21 inHg
Wind11.3 mph S
Humidity62%
Visibility—
Dew point60°
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 Mendon, 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.