10-Day Weather Forecast - Grafton, IL
- 62|42°FPartly CloudyHourly details
Today
62°FPartly cloudy. High temperature around 62F. Dew point will be around 29F with an average humidity of 61%. Winds will be 11 mph from the W.
Tonight
42°FMostly cloudy. A slight chance of rain this evening. Lows in the mid 30s. West winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of rain 20 percent.
- 42|22°FChance of FlurriesHourly details
Day
42°FMostly cloudy with a chance of flurries in the morning then mostly sunny in the afternoon. Breezy and much cooler with highs in the mid 30s. Temperature falling to around 30 in the afternoon. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Night
22°FClear. Much cooler with lows around 15. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 3 above.
- 38|33°FSunnyHourly details
Day
38°FSunny. Highs in the lower 30s. Northwest winds 5 to 10 mph becoming southwest in the afternoon. Wind chill values as low as 3 above in the morning.
Night
33°FMostly cloudy with a 50 percent chance of snow. Not as cool with lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
- 45|23°FMostly SunnyHourly details
Day
45°FMostly sunny in the morning then becoming mostly cloudy. Not as cool with highs in the lower 40s.
Night
23°FMostly cloudy. A slight chance of snow in the evening. Lows 15 to 20. Chance of snow 20 percent. Wind chill values as low as zero after midnight.
Weekend Weather
- 26|12°FPartly SunnyHourly details
Day
26°FPartly sunny. Much cooler with highs in the lower 20s. Wind chill values as low as zero.
Night
12°FPartly cloudy. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as 5 below.
- 28|21°FPartly CloudyHourly details
Day
28°FPartly cloudy. Lows around 10 above. Highs in the upper 20s. Wind chill values as low as 5 below.
Night
21°FPartly cloudy. Lows 10 to 15. Highs in the upper 20s. Wind chill values as low as zero.
- 23|17°FPartly Cloudy
Day
23°FPartly cloudy. Lows 10 to 15. Highs in the upper 20s. Wind chill values as low as zero.
Night
17°FMostly clear. Lows around 10 above. Wind chill values as low as zero.
- 35|26°FMostly Sunny
Day
35°FMostly sunny. Highs in the upper 20s. Wind chill values as low as zero in the morning.
Night
26°FMostly clear. Low temperature around 26F. Dew point will be around 15F with an average humidity of 59%. Winds will be 5 mph from the S.
- 40|32°FMostly Sunny
Day
40°FMostly sunny. High temperature around 40F. Dew point will be around 25F with an average humidity of 63%. Winds will be 6 mph from the S.
Night
32°FMostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 32F. Dew point will be around 28F with an average humidity of 76%. Winds will be 3 mph from the E.
- 40|37°F30% Chance of Rain
Day
40°FCloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 40F. Dew point will be around 31F with an average humidity of 74%. Winds will be 5 mph from the SE.
Night
37°FCloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 37F. Dew point will be around 34F with an average humidity of 84%. Winds will be 3 mph from the E.














