10-day forecast for Mendon, IL: 39° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Wednesday, October 21
77° · 1.01 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1577° / 59°1.01
Morning68°feels 69°
Afternoon73°feels 75°
Evening66°feels 67°
Overnight70°feels 70°
77 °
Mendon, Thursday, 15 October
Heavy rain. High 77°, low 59°.
Pressure29.91 inHg
Wind9.8 mph S
Humidity97%
Visibility2.8 mi
Dew point70°
Fri, 1658° / 47°0.05
Morning50°feels 48°
Afternoon54°feels 52°
Evening50°feels 44°
Overnight56°feels 55°
58 °
Mendon, Friday, 16 October
Light rain. High 58°, low 47°.
Pressure30.24 inHg
Wind20.4 mph NW
Humidity59%
Visibility6.2 mi
Dew point40°
Sat, 1757° / 39°0
Morning40°feels 37°
Afternoon56°feels 53°
Evening48°feels 48°
Overnight43°feels 39°
57 °
Mendon, Saturday, 17 October
Clear. High 57°, low 39°.
Pressure30.59 inHg
Wind1.7 mph NE
Humidity45%
Visibility6.2 mi
Dew point31°
Sun, 1862° / 43°0
Morning46°feels 42°
Afternoon59°feels 57°
Evening53°feels 51°
Overnight44°feels 40°
62 °
Mendon, Sunday, 18 October
Clear. High 62°, low 43°.
Pressure30.45 inHg
Wind10 mph S
Humidity52%
Visibility6.2 mi
Dew point40°
Mon, 1966° / 45°0
Morning50°feels 47°
Afternoon63°feels 62°
Evening59°feels 57°
Overnight56°feels 54°
66 °
Mendon, Monday, 19 October
Overcast. High 66°, low 45°.
Pressure30.36 inHg
Wind8.9 mph SE
Humidity47%
Visibility—
Dew point41°
Tue, 2073° / 53°0
Morning60°feels 58°
Afternoon70°feels 69°
Evening63°feels 62°
Overnight60°feels 58°
73 °
Mendon, Tuesday, 20 October
Partly cloudy. High 73°, low 53°.
Pressure30.24 inHg
Wind8.2 mph S
Humidity46%
Visibility—
Dew point47°
Wed, 2178° / 57°0
Morning63°feels 62°
Afternoon75°feels 75°
Evening68°feels 68°
Overnight64°feels 64°
78 °
Mendon, Wednesday, 21 October
Clear. High 78°, low 57°.
Pressure30.12 inHg
Wind10.8 mph SW
Humidity48%
Visibility—
Dew point53°
Thu, 2267° / 64°0.53
Morning64°feels 65°
Afternoon66°feels 67°
Evening66°feels 67°
Overnight65°feels 66°
67 °
Mendon, Thursday, 22 October
Rain. High 67°, low 64°.
Pressure30.06 inHg
Wind12.2 mph SW
Humidity94%
Visibility—
Dew point64°
Fri, 2374° / 60°0.02
Morning62°feels 62°
Afternoon69°feels 69°
Evening69°feels 69°
Overnight66°feels 66°
74 °
Mendon, Friday, 23 October
Light rain. High 74°, low 60°.
Pressure30.06 inHg
Wind15.6 mph S
Humidity81%
Visibility—
Dew point61°
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.