National Weather Service forecast
Grafton, Illinois Weather
Grafton 7-Day Forecast
-
Overnight54°FChance Light Rain32% chance of precipitation
A chance of rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
-
Wednesday61°FSlight Chance Drizzle then Mostly Cloudy12% chance of precipitation
A slight chance of drizzle before 7am. Mostly cloudy, with a high near 61. West wind 10 to 17 mph.
-
Wednesday Night46°FPartly Cloudy1% chance of precipitation
Partly cloudy, with a low around 46. West wind around 9 mph.
-
Thursday63°FSunny
Sunny. High near 63, with temperatures falling to around 58 in the afternoon. West wind 8 to 13 mph.
-
Thursday Night46°FMostly Cloudy3% chance of precipitation
Mostly cloudy, with a low around 46. Northwest wind around 8 mph.
-
Friday56°FPartly Sunny1% chance of precipitation
Partly sunny, with a high near 56.
-
Friday Night37°FPartly Cloudy
Partly cloudy, with a low around 37.
-
Saturday55°FMostly Sunny
Mostly sunny, with a high near 55.
-
Saturday Night36°FPartly Cloudy
Partly cloudy, with a low around 36.
-
Sunday60°FSunny1% chance of precipitation
Sunny, with a high near 60.
-
Sunday Night38°FClear
Clear, with a low around 38.
-
Monday65°FSunny
Sunny, with a high near 65.
-
Monday Night43°FClear
Clear, with a low around 43.
-
Tuesday68°FSunny1% chance of precipitation
Sunny, with a high near 68.
Issued by the National Weather Service (LSX office), updated .
Grafton Hourly Forecast
Loading the next 48 hours…
Grafton Weather Radar
Open the full radar for GraftonAbout Grafton
- Population (2020 Census)
- 626
- Coordinates
- 38.977, -90.426
- Elevation
- 673 ft
- NWS forecast office
- LSX
- Time zone
- America/Chicago
- Sunrise today
- 6:32 AM CST
- Sunset today
- 4:58 PM CST
- Daylight today
- 10 h 26 min
Grafton Weather Questions
What is the weather forecast for Grafton, Illinois?
Overnight: A chance of rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Wednesday: A slight chance of drizzle before 7am. Mostly cloudy, with a high near 61. West wind 10 to 17 mph.
Will it rain or snow in Grafton this week?
The best chance of precipitation is Overnight at 32%. Periods with a 30% chance or more: Overnight (32%).
How warm and how cold will it get in Grafton this week?
The warmest day is Tuesday, with a high near 68°F. The coldest night is Saturday Night, with a low near 36°F.
What time are sunrise and sunset in Grafton today?
Sunrise is at 6:32 AM CST and sunset is at 4:58 PM CST, for 10 h 26 min of daylight.
Weather near Grafton
- Elsah 4 mi
- Otterville 5 mi
- Brussels 9 mi
- Fieldon 10 mi
- Godfrey 11 mi
- Jerseyville 11 mi
- Batchtown 13 mi
- Kane 15 mi