10-day forecast for Custer, IL: 41° to 88°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Monday, October 12
62° · 1.21 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1383° / 66°0.06
Morning68°feels 68°
Afternoon82°feels 84°
Evening70°feels 71°
Overnight74°feels 74°
83 °
Custer, Tuesday, 13 October
Light rain. High 83°, low 66°.
Pressure29.85 inHg
Wind7.8 mph W
Humidity61%
Visibility6.2 mi
Dew point63°
Wed, 1475° / 61°0.14
Morning61°feels 61°
Afternoon73°feels 72°
Evening64°feels 63°
Overnight65°feels 65°
75 °
Custer, Wednesday, 14 October
Rain. High 75°, low 61°.
Pressure30.06 inHg
Wind7.9 mph NE
Humidity69%
Visibility6.2 mi
Dew point59°
Thu, 1562° / 58°1.21
Morning58°feels 58°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight59°feels 58°
62 °
Custer, Thursday, 15 October
Heavy rain. High 62°, low 58°.
Pressure30.03 inHg
Wind6 mph NE
Humidity98%
Visibility1.2 mi
Dew point60°
Fri, 1658° / 48°0
Morning50°feels 43°
Afternoon56°feels 54°
Evening51°feels 49°
Overnight57°feels 57°
58 °
Custer, Friday, 16 October
Overcast. High 58°, low 48°.
Pressure30.27 inHg
Wind22.6 mph NW
Humidity51%
Visibility6.2 mi
Dew point37°
Sat, 1758° / 41°0
Morning46°feels 45°
Afternoon56°feels 53°
Evening50°feels 47°
Overnight47°feels 44°
58 °
Custer, Saturday, 17 October
Clear. High 58°, low 41°.
Pressure30.47 inHg
Wind8.7 mph SW
Humidity40%
Visibility—
Dew point31°
Sun, 1863° / 47°0
Morning51°feels 47°
Afternoon60°feels 58°
Evening53°feels 50°
Overnight49°feels 46°
63 °
Custer, Sunday, 18 October
Mostly clear. High 63°, low 47°.
Pressure30.27 inHg
Wind12.7 mph SW
Humidity44%
Visibility—
Dew point37°
Mon, 1961° / 48°0.05
Morning52°feels 49°
Afternoon61°feels 59°
Evening57°feels 56°
Overnight53°feels 52°
61 °
Custer, Monday, 19 October
Light rain. High 61°, low 48°.
Pressure30.24 inHg
Wind8.1 mph S
Humidity49%
Visibility—
Dew point40°
Tue, 2067° / 55°0.21
Morning57°feels 57°
Afternoon62°feels 62°
Evening63°feels 63°
Overnight60°feels 60°
67 °
Custer, Tuesday, 20 October
Rain. High 67°, low 55°.
Pressure30.18 inHg
Wind9.9 mph SE
Humidity87%
Visibility—
Dew point57°
Wed, 2172° / 57°0.02
Morning61°feels 61°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight64°feels 63°
72 °
Custer, Wednesday, 21 October
Light rain. High 72°, low 57°.
Pressure30.18 inHg
Wind13.1 mph S
Humidity63%
Visibility—
Dew point56°
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 Custer, 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.