10-day forecast for Marcus, IL: 36° to 74°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Sunday, October 25
54°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1756° / 36°0
Morning38°feels 38°
Afternoon55°feels 52°
Evening47°feels 43°
Overnight40°feels 36°
56 °
Marcus, Saturday, 17 October
Clear. High 56°, low 36°.
Pressure30.53 inHg
Wind7.2 mph SW
Humidity46%
Visibility6.2 mi
Dew point30°
Sun, 1862° / 43°0
Morning44°feels 38°
Afternoon61°feels 59°
Evening52°feels 51°
Overnight44°feels 40°
62 °
Marcus, Sunday, 18 October
Clear. High 62°, low 43°.
Pressure30.39 inHg
Wind13 mph SW
Humidity53%
Visibility6.2 mi
Dew point41°
Mon, 1963° / 42°0
Morning44°feels 41°
Afternoon63°feels 62°
Evening54°feels 53°
Overnight47°feels 43°
63 °
Marcus, Monday, 19 October
Overcast. High 63°, low 42°.
Pressure30.36 inHg
Wind5.2 mph S
Humidity57%
Visibility6.2 mi
Dew point45°
Tue, 2066° / 47°0.01
Morning50°feels 49°
Afternoon65°feels 64°
Evening56°feels 55°
Overnight48°feels 47°
66 °
Marcus, Tuesday, 20 October
Light rain. High 66°, low 47°.
Pressure30.33 inHg
Wind5 mph SE
Humidity56%
Visibility6.2 mi
Dew point46°
Wed, 2168° / 49°0.01
Morning54°feels 53°
Afternoon66°feels 65°
Evening59°feels 58°
Overnight54°feels 53°
68 °
Marcus, Wednesday, 21 October
Light rain. High 68°, low 49°.
Pressure30.24 inHg
Wind7 mph S
Humidity50%
Visibility—
Dew point46°
Thu, 2271° / 50°0
Morning55°feels 55°
Afternoon67°feels 66°
Evening61°feels 60°
Overnight57°feels 56°
71 °
Marcus, Thursday, 22 October
Overcast. High 71°, low 50°.
Pressure30.18 inHg
Wind9.1 mph S
Humidity51%
Visibility—
Dew point47°
Fri, 2370° / 55°0
Morning59°feels 57°
Afternoon68°feels 67°
Evening61°feels 60°
Overnight58°feels 57°
70 °
Marcus, Friday, 23 October
Overcast. High 70°, low 55°.
Pressure30.18 inHg
Wind8.4 mph SE
Humidity42%
Visibility—
Dew point44°
Sat, 2473° / 55°0
Morning60°feels 58°
Afternoon70°feels 69°
Evening62°feels 60°
Overnight58°feels 57°
73 °
Marcus, Saturday, 24 October
Partly cloudy. High 73°, low 55°.
Pressure30.24 inHg
Wind11.9 mph S
Humidity41%
Visibility—
Dew point45°
Sun, 2574° / 55°0
Morning60°feels 58°
Afternoon71°feels 70°
Evening65°feels 64°
Overnight60°feels 59°
74 °
Marcus, Sunday, 25 October
Partly cloudy. High 74°, low 55°.
Pressure30.12 inHg
Wind11.8 mph S
Humidity44%
Visibility—
Dew point47°
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 Marcus, 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.