10-day forecast for Mendon, IL: 39° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Friday, October 23
70° · 0.29 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1654° / 47°0.03
Morning49°feels 43°
Afternoon54°feels 52°
Evening50°feels 48°
Overnight54°feels 53°
54 °
Mendon, Friday, 16 October
Light rain. High 54°, low 47°.
Pressure30.24 inHg
Wind19.4 mph NW
Humidity66%
Visibility6.2 mi
Dew point43°
Sat, 1758° / 39°0
Morning40°feels 40°
Afternoon57°feels 54°
Evening48°feels 46°
Overnight44°feels 40°
58 °
Mendon, Saturday, 17 October
Clear. High 58°, low 39°.
Pressure30.59 inHg
Wind2.2 mph S
Humidity43%
Visibility6.2 mi
Dew point32°
Sun, 1863° / 43°0
Morning44°feels 39°
Afternoon63°feels 61°
Evening54°feels 52°
Overnight45°feels 41°
63 °
Mendon, Sunday, 18 October
Clear. High 63°, low 43°.
Pressure30.42 inHg
Wind11.1 mph S
Humidity47%
Visibility6.2 mi
Dew point39°
Mon, 1965° / 45°0.02
Morning48°feels 45°
Afternoon64°feels 62°
Evening59°feels 57°
Overnight48°feels 45°
65 °
Mendon, Monday, 19 October
Light rain. High 65°, low 45°.
Pressure30.33 inHg
Wind7.1 mph S
Humidity50%
Visibility6.2 mi
Dew point42°
Tue, 2066° / 49°0.03
Morning54°feels 52°
Afternoon65°feels 64°
Evening60°feels 59°
Overnight56°feels 54°
66 °
Mendon, Tuesday, 20 October
Light rain. High 66°, low 49°.
Pressure30.30 inHg
Wind8.9 mph S
Humidity50%
Visibility—
Dew point45°
Wed, 2174° / 57°0
Morning62°feels 61°
Afternoon71°feels 70°
Evening64°feels 63°
Overnight60°feels 59°
74 °
Mendon, Wednesday, 21 October
Partly cloudy. High 74°, low 57°.
Pressure30.30 inHg
Wind8.3 mph SE
Humidity47%
Visibility—
Dew point49°
Thu, 2271° / 58°0
Morning61°feels 60°
Afternoon66°feels 65°
Evening63°feels 62°
Overnight60°feels 59°
71 °
Mendon, Thursday, 22 October
Light rain. High 71°, low 58°.
Pressure30.21 inHg
Wind10.7 mph S
Humidity49%
Visibility—
Dew point46°
Fri, 2375° / 57°0
Morning62°feels 60°
Afternoon73°feels 72°
Evening67°feels 66°
Overnight64°feels 62°
75 °
Mendon, Friday, 23 October
Overcast. High 75°, low 57°.
Pressure30.15 inHg
Wind15.4 mph SE
Humidity34%
Visibility—
Dew point42°
Sat, 2471° / 56°0.01
Morning64°feels 63°
Afternoon69°feels 69°
Evening61°feels 60°
Overnight57°feels 56°
71 °
Mendon, Saturday, 24 October
Light rain. High 71°, low 56°.
Pressure30.09 inHg
Wind15.9 mph SE
Humidity56%
Visibility—
Dew point53°
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.