10-day forecast for Marion, IL: 29° to 70°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Friday, November 20
47°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1552° / 30°0
Morning37°feels 34°
Afternoon52°feels 49°
Evening40°feels 38°
Overnight31°feels 31°
52 °
Marion, Sunday, 15 November
Partly cloudy. High 52°, low 30°.
Pressure30.45 inHg
Wind2.2 mph E
Humidity49%
Visibility6.2 mi
Dew point32°
Mon, 1654° / 33°0
Morning38°feels 36°
Afternoon54°feels 51°
Evening41°feels 39°
Overnight36°feels 36°
54 °
Marion, Monday, 16 November
Clear. High 54°, low 33°.
Pressure30.53 inHg
Wind2.5 mph SE
Humidity55%
Visibility6.2 mi
Dew point37°
Tue, 1757° / 35°0
Morning39°feels 36°
Afternoon58°feels 55°
Evening45°feels 43°
Overnight37°feels 37°
57 °
Marion, Tuesday, 17 November
Clear. High 57°, low 35°.
Pressure30.50 inHg
Wind4.5 mph SE
Humidity53%
Visibility6.2 mi
Dew point39°
Wed, 1860° / 40°0
Morning46°feels 43°
Afternoon58°feels 55°
Evening49°feels 46°
Overnight42°feels 38°
60 °
Marion, Wednesday, 18 November
Overcast. High 60°, low 40°.
Pressure30.42 inHg
Wind8.2 mph S
Humidity48%
Visibility6.2 mi
Dew point40°
Thu, 1965° / 44°0
Morning49°feels 46°
Afternoon61°feels 59°
Evening56°feels 54°
Overnight51°feels 49°
65 °
Marion, Thursday, 19 November
Clear. High 65°, low 44°.
Pressure30.36 inHg
Wind9 mph S
Humidity45%
Visibility—
Dew point38°
Fri, 2070° / 53°0
Morning58°feels 57°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight56°feels 55°
70 °
Marion, Friday, 20 November
Overcast. High 70°, low 53°.
Pressure30.24 inHg
Wind9.6 mph S
Humidity48%
Visibility—
Dew point47°
Sat, 2168° / 51°0.03
Morning56°feels 54°
Afternoon67°feels 65°
Evening64°feels 62°
Overnight58°feels 57°
68 °
Marion, Saturday, 21 November
Light rain. High 68°, low 51°.
Pressure30.06 inHg
Wind18 mph S
Humidity36%
Visibility—
Dew point37°
Sun, 2256° / 42°0.01
Morning49°feels 44°
Afternoon54°feels 51°
Evening45°feels 41°
Overnight43°feels 38°
56 °
Marion, Sunday, 22 November
Light rain. High 56°, low 42°.
Pressure30.21 inHg
Wind14.8 mph NW
Humidity42%
Visibility—
Dew point32°
Mon, 2350° / 33°0
Morning37°feels 32°
Afternoon47°feels 43°
Evening39°feels 34°
Overnight35°feels 29°
50 °
Marion, Monday, 23 November
Clear. High 50°, low 33°.
Pressure30.33 inHg
Wind9.8 mph N
Humidity33%
Visibility—
Dew point19°
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 Marion, 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.