How is the weather in Mendon, IL?

At 10:02 AM on Fri, Sep 19, 2025 it is sunny and 72 degrees Fahrenheit, feeling like 72 degrees.

Mendon, IL Weather Forecast and Current Conditions (62351)

72°F
Feels Like 72°F

Humidity 84% Dew Point 67°F Wind SSE 3 MPH Gusts 3 Barometer 29.86 in.758.4 mm

Solar Rad 389 w/m2 UV Index 3

Report from 7.9 miles SSE of central Mendon at 10:02 AM Fri, Sep 19, 2025

Current Weather

72°F
Feels Like 72°F

Humidity 84% Dew Point 67°F Wind SSE 3 MPH Gusts 3 Barometer 29.86 in.758.4 mm

Solar Rad 389 w/m2 UV Index 3

Report from 7.9 miles SSE of central Mendon at 10:02 AM Fri, Sep 19, 2025

Forecast at a Glance

FriSep 19

20%

81°

63°

SatSep 20

20%

84°

65°

SunSep 21

40%

80°

64°

MonSep 22

60%

82°

66°

TueSep 23

40%

78°

65°

WedSep 24

40%

76°

62°

ThuSep 25

40%

76°

61°

This Date in Weather History

1987 - Cool autumn-like weather invaded the Central Rockies. Temperatures dipped into the 30s and 40s, with readings in the teens and 20s reported in the higher elevations. Gunnison CO was the cold spot in the nation with a morning low of 15 degrees.

Mendon 7 Day Weather Forecast Details

Friday Sep 19

Day: A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 81. Southwest wind around 8 mph. Chance of precipitation is 20%.

Night: Partly cloudy, with a low around 63. West wind 2 to 6 mph.

Saturday Sep 20

Day: A slight chance of rain showers between 9am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 2 to 7 mph. Chance of precipitation is 20%.

Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 3 to 7 mph. Chance of precipitation is 40%.

Sunday Sep 21

Day: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 7 mph. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday Sep 22

Day: Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Tuesday Sep 23

Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Wednesday Sep 24

Day: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

Thursday Sep 25

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 40%.

Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Sun & Moon Monthly

First Light 6:24 AM

Sunrise 6:51 AM

Sunset 7:09 PM

Last Light 7:36 PM

Moonrise 4:34 AM

Moonset 6:22 PM

Moon Phase

Stadium Weather - Be Prepared for the Game

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