10-day forecast for Marion, IL: 45° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Monday, November 2
77° · 0.43 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0273° / 60°0
Morning62°feels 62°
Afternoon73°feels 73°
Evening68°feels 68°
Overnight60°feels 60°
73 °
Marion, Monday, 2 November
Light rain. High 73°, low 60°.
Pressure30.09 inHg
Wind11.9 mph S
Humidity71%
Visibility6.2 mi
Dew point59°
Tue, 0377° / 66°0.43
Morning69°feels 69°
Afternoon76°feels 77°
Evening68°feels 68°
Overnight68°feels 68°
77 °
Marion, Tuesday, 3 November
Rain. High 77°, low 66°.
Pressure29.91 inHg
Wind16.5 mph S
Humidity64%
Visibility6.2 mi
Dew point63°
Wed, 0468° / 58°0.24
Morning60°feels 60°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight65°feels 66°
68 °
Marion, Wednesday, 4 November
Rain. High 68°, low 58°.
Pressure29.80 inHg
Wind11.2 mph SW
Humidity58%
Visibility6.2 mi
Dew point52°
Thu, 0567° / 52°0
Morning57°feels 55°
Afternoon65°feels 63°
Evening57°feels 56°
Overnight55°feels 53°
67 °
Marion, Thursday, 5 November
Clear. High 67°, low 52°.
Pressure29.83 inHg
Wind11.1 mph SW
Humidity40%
Visibility—
Dew point39°
Fri, 0659° / 49°0
Morning52°feels 50°
Afternoon59°feels 58°
Evening57°feels 56°
Overnight55°feels 53°
59 °
Marion, Friday, 6 November
Overcast. High 59°, low 49°.
Pressure29.91 inHg
Wind8.8 mph NW
Humidity65%
Visibility—
Dew point46°
Sat, 0765° / 47°0
Morning52°feels 50°
Afternoon62°feels 61°
Evening57°feels 55°
Overnight52°feels 51°
65 °
Marion, Saturday, 7 November
Clear. High 65°, low 47°.
Pressure29.97 inHg
Wind9.8 mph W
Humidity49%
Visibility—
Dew point42°
Sun, 0863° / 45°0
Morning50°feels 46°
Afternoon60°feels 57°
Evening53°feels 50°
Overnight50°feels 46°
63 °
Marion, Sunday, 8 November
Clear. High 63°, low 45°.
Pressure29.97 inHg
Wind12.4 mph NW
Humidity30%
Visibility—
Dew point28°
Mon, 0968° / 46°0
Morning51°feels 50°
Afternoon64°feels 62°
Evening57°feels 55°
Overnight53°feels 51°
68 °
Marion, Monday, 9 November
Clear. High 68°, low 46°.
Pressure30.06 inHg
Wind7.1 mph W
Humidity40%
Visibility—
Dew point38°
Tue, 1068° / 50°0
Morning55°feels 53°
Afternoon66°feels 64°
Evening60°feels 58°
Overnight57°feels 55°
68 °
Marion, Tuesday, 10 November
Overcast. High 68°, low 50°.
Pressure30.15 inHg
Wind5.5 mph SW
Humidity43%
Visibility—
Dew point42°
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.