10-day forecast for Marion, IL: 34° to 67°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Thursday, November 5
63° · 0.52 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0567° / 50°0
Morning53°feels 52°
Afternoon67°feels 65°
Evening55°feels 54°
Overnight52°feels 51°
67 °
Marion, Thursday, 5 November
Clear. High 67°, low 50°.
Pressure29.88 inHg
Wind6.8 mph W
Humidity48%
Visibility6.2 mi
Dew point45°
Fri, 0657° / 45°0
Morning53°feels 52°
Afternoon57°feels 55°
Evening52°feels 49°
Overnight50°feels 48°
57 °
Marion, Friday, 6 November
Overcast. High 57°, low 45°.
Pressure30.09 inHg
Wind11 mph N
Humidity69%
Visibility6.2 mi
Dew point47°
Sat, 0754° / 38°0
Morning42°feels 41°
Afternoon54°feels 52°
Evening44°feels 42°
Overnight40°feels 38°
54 °
Marion, Saturday, 7 November
Mostly clear. High 54°, low 38°.
Pressure30.27 inHg
Wind2.6 mph N
Humidity55%
Visibility6.2 mi
Dew point37°
Sun, 0862° / 39°0
Morning46°feels 44°
Afternoon61°feels 59°
Evening51°feels 50°
Overnight40°feels 40°
62 °
Marion, Sunday, 8 November
Clear. High 62°, low 39°.
Pressure30.21 inHg
Wind5.3 mph W
Humidity54%
Visibility6.2 mi
Dew point42°
Mon, 0967° / 43°0
Morning49°feels 49°
Afternoon62°feels 62°
Evening55°feels 55°
Overnight51°feels 50°
67 °
Marion, Monday, 9 November
Clear. High 67°, low 43°.
Pressure30.21 inHg
Wind5.3 mph S
Humidity64%
Visibility—
Dew point49°
Tue, 1065° / 46°0
Morning51°feels 49°
Afternoon62°feels 61°
Evening53°feels 50°
Overnight49°feels 48°
65 °
Marion, Tuesday, 10 November
Clear. High 65°, low 46°.
Pressure30.09 inHg
Wind6.5 mph SW
Humidity46%
Visibility—
Dew point41°
Wed, 1163° / 44°0
Morning50°feels 47°
Afternoon61°feels 58°
Evening51°feels 48°
Overnight47°feels 44°
63 °
Marion, Wednesday, 11 November
Mostly clear. High 63°, low 44°.
Pressure30.15 inHg
Wind8.3 mph N
Humidity40%
Visibility—
Dew point36°
Thu, 1255° / 38°0
Morning43°feels 38°
Afternoon52°feels 49°
Evening44°feels 40°
Overnight40°feels 36°
55 °
Marion, Thursday, 12 November
Mostly clear. High 55°, low 38°.
Pressure30.15 inHg
Wind12.1 mph N
Humidity40%
Visibility—
Dew point28°
Fri, 1358° / 34°0
Morning40°feels 36°
Afternoon54°feels 51°
Evening47°feels 44°
Overnight42°feels 38°
58 °
Marion, Friday, 13 November
Mostly clear. High 58°, low 34°.
Pressure30.15 inHg
Wind7.2 mph SW
Humidity35%
Visibility—
Dew point25°
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.