10-day forecast for Mendon, IL: 40° to 89°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Tuesday, October 13
76° · 1.01 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1477° / 63°0.08
Morning64°feels 65°
Afternoon75°feels 76°
Evening66°feels 67°
Overnight66°feels 67°
77 °
Mendon, Wednesday, 14 October
Light rain. High 77°, low 63°.
Pressure30.06 inHg
Wind6.1 mph NE
Humidity69%
Visibility6.2 mi
Dew point62°
Thu, 1576° / 61°1.01
Morning66°feels 67°
Afternoon73°feels 75°
Evening69°feels 70°
Overnight68°feels 68°
76 °
Mendon, Thursday, 15 October
Heavy rain. High 76°, low 61°.
Pressure29.91 inHg
Wind11.3 mph SW
Humidity95%
Visibility3.1 mi
Dew point71°
Fri, 1659° / 48°0
Morning49°feels 42°
Afternoon55°feels 53°
Evening51°feels 49°
Overnight57°feels 56°
59 °
Mendon, Friday, 16 October
Overcast. High 59°, low 48°.
Pressure30.33 inHg
Wind21.4 mph NW
Humidity55%
Visibility6.2 mi
Dew point38°
Sat, 1758° / 40°0
Morning43°feels 43°
Afternoon57°feels 54°
Evening50°feels 47°
Overnight44°feels 41°
58 °
Mendon, Saturday, 17 October
Clear. High 58°, low 40°.
Pressure30.53 inHg
Wind3.5 mph S
Humidity48%
Visibility6.2 mi
Dew point34°
Sun, 1865° / 46°0
Morning51°feels 46°
Afternoon62°feels 60°
Evening57°feels 55°
Overnight54°feels 52°
65 °
Mendon, Sunday, 18 October
Overcast. High 65°, low 46°.
Pressure30.30 inHg
Wind11.6 mph S
Humidity52%
Visibility—
Dew point43°
Mon, 1956° / 52°0.59
Morning53°feels 53°
Afternoon56°feels 56°
Evening55°feels 55°
Overnight55°feels 54°
56 °
Mendon, Monday, 19 October
Rain. High 56°, low 52°.
Pressure30.21 inHg
Wind8.2 mph S
Humidity97%
Visibility—
Dew point54°
Tue, 2065° / 55°0.01
Morning57°feels 56°
Afternoon61°feels 60°
Evening61°feels 60°
Overnight59°feels 59°
65 °
Mendon, Tuesday, 20 October
Light rain. High 65°, low 55°.
Pressure30.24 inHg
Wind8.1 mph SE
Humidity73%
Visibility—
Dew point52°
Wed, 2169° / 60°0.25
Morning64°feels 64°
Afternoon67°feels 68°
Evening66°feels 67°
Overnight65°feels 66°
69 °
Mendon, Wednesday, 21 October
Light rain. High 69°, low 60°.
Pressure30.15 inHg
Wind14.3 mph S
Humidity90%
Visibility—
Dew point63°
Thu, 2272° / 66°0.64
Morning66°feels 67°
Afternoon68°feels 68°
Evening69°feels 70°
Overnight69°feels 69°
72 °
Mendon, Thursday, 22 October
Rain. High 72°, low 66°.
Pressure29.94 inHg
Wind14.3 mph S
Humidity88%
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 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.