10-day forecast for Mendon, IL: 38° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Thursday, October 22
72° · 0.59 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1656° / 46°0.03
Morning49°feels 43°
Afternoon55°feels 53°
Evening50°feels 47°
Overnight55°feels 54°
56 °
Mendon, Friday, 16 October
Light rain. High 56°, low 46°.
Pressure30.24 inHg
Wind19.9 mph NW
Humidity63%
Visibility2.1 mi
Dew point42°
Sat, 1757° / 38°0
Morning40°feels 38°
Afternoon56°feels 53°
Evening48°feels 47°
Overnight43°feels 39°
57 °
Mendon, Saturday, 17 October
Clear. High 57°, low 38°.
Pressure30.59 inHg
Wind0.6 mph SW
Humidity48%
Visibility6.2 mi
Dew point34°
Sun, 1862° / 43°0
Morning46°feels 42°
Afternoon61°feels 59°
Evening53°feels 51°
Overnight44°feels 40°
62 °
Mendon, Sunday, 18 October
Clear. High 62°, low 43°.
Pressure30.45 inHg
Wind9.6 mph S
Humidity50%
Visibility6.2 mi
Dew point39°
Mon, 1965° / 43°0
Morning49°feels 47°
Afternoon63°feels 61°
Evening57°feels 55°
Overnight51°feels 50°
65 °
Mendon, Monday, 19 October
Overcast. High 65°, low 43°.
Pressure30.36 inHg
Wind6.8 mph S
Humidity47%
Visibility—
Dew point40°
Tue, 2069° / 50°0
Morning55°feels 53°
Afternoon65°feels 64°
Evening61°feels 60°
Overnight58°feels 56°
69 °
Mendon, Tuesday, 20 October
Clear. High 69°, low 50°.
Pressure30.30 inHg
Wind6 mph SE
Humidity45%
Visibility—
Dew point42°
Wed, 2175° / 55°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight62°feels 61°
75 °
Mendon, Wednesday, 21 October
Partly cloudy. High 75°, low 55°.
Pressure30.27 inHg
Wind11.4 mph S
Humidity55%
Visibility—
Dew point52°
Thu, 2279° / 58°0
Morning64°feels 63°
Afternoon76°feels 75°
Evening69°feels 68°
Overnight66°feels 65°
79 °
Mendon, Thursday, 22 October
Clear. High 79°, low 58°.
Pressure30.12 inHg
Wind15 mph S
Humidity44%
Visibility—
Dew point51°
Fri, 2376° / 66°0.01
Morning69°feels 69°
Afternoon75°feels 75°
Evening69°feels 69°
Overnight67°feels 67°
76 °
Mendon, Friday, 23 October
Light rain. High 76°, low 66°.
Pressure29.97 inHg
Wind21.4 mph S
Humidity58%
Visibility—
Dew point59°
Sat, 2475° / 59°0.05
Morning64°feels 63°
Afternoon74°feels 73°
Evening67°feels 67°
Overnight63°feels 63°
75 °
Mendon, Saturday, 24 October
Light rain. High 75°, low 59°.
Pressure30.15 inHg
Wind6.2 mph NE
Humidity58%
Visibility—
Dew point57°
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.