10-day forecast for Lancaster, IL: 37° to 76°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 28
62° · 0.96 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2972° / 55°0
Morning58°feels 57°
Afternoon71°feels 71°
Evening60°feels 60°
Overnight59°feels 58°
72 °
Lancaster, Thursday, 29 October
Overcast. High 72°, low 55°.
Pressure30.12 inHg
Wind7.5 mph W
Humidity65%
Visibility6.2 mi
Dew point56°
Fri, 3065° / 48°0.2
Morning48°feels 45°
Afternoon61°feels 60°
Evening58°feels 57°
Overnight52°feels 51°
65 °
Lancaster, Friday, 30 October
Light rain. High 65°, low 48°.
Pressure30.30 inHg
Wind6.1 mph E
Humidity64%
Visibility—
Dew point48°
Sat, 3167° / 55°0.02
Morning58°feels 58°
Afternoon66°feels 66°
Evening60°feels 61°
Overnight56°feels 56°
67 °
Lancaster, Saturday, 31 October
Light rain. High 67°, low 55°.
Pressure30.24 inHg
Wind1 mph NE
Humidity91%
Visibility6.0 mi
Dew point61°
Sun, 0170° / 52°0
Morning54°feels 54°
Afternoon70°feels 70°
Evening62°feels 61°
Overnight55°feels 54°
70 °
Lancaster, Sunday, 1 November
Overcast. High 70°, low 52°.
Pressure30.30 inHg
Wind5.6 mph SE
Humidity77%
Visibility6.2 mi
Dew point58°
Mon, 0265° / 56°0.09
Morning58°feels 58°
Afternoon63°feels 63°
Evening60°feels 60°
Overnight60°feels 60°
65 °
Lancaster, Monday, 2 November
Light rain. High 65°, low 56°.
Pressure30.06 inHg
Wind16.4 mph S
Humidity69%
Visibility—
Dew point53°
Tue, 0362° / 60°0.96
Morning61°feels 62°
Afternoon60°feels 61°
Evening60°feels 60°
Overnight60°feels 60°
62 °
Lancaster, Tuesday, 3 November
Rain. High 62°, low 60°.
Pressure29.85 inHg
Wind17.7 mph S
Humidity96%
Visibility—
Dew point60°
Wed, 0459° / 58°0.66
Morning58°feels 58°
Afternoon58°feels 58°
Evening59°feels 59°
Overnight58°feels 58°
59 °
Lancaster, Wednesday, 4 November
Rain. High 59°, low 58°.
Pressure29.71 inHg
Wind12.9 mph E
Humidity93%
Visibility—
Dew point56°
Thu, 0559° / 46°0.55
Morning58°feels 58°
Afternoon56°feels 55°
Evening51°feels 49°
Overnight48°feels 44°
59 °
Lancaster, Thursday, 5 November
Rain. High 59°, low 46°.
Pressure29.44 inHg
Wind17.5 mph NW
Humidity92%
Visibility—
Dew point54°
Fri, 0649° / 37°0
Morning40°feels 33°
Afternoon47°feels 41°
Evening43°feels 38°
Overnight40°feels 35°
49 °
Lancaster, Friday, 6 November
Clear. High 49°, low 37°.
Pressure29.88 inHg
Wind13.9 mph NW
Humidity51%
Visibility—
Dew point29°
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 Lancaster, 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.