10-day forecast for Lancaster, IL: 47° to 76°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 28
55° · 0.31 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2876° / 54°0
Morning55°feels 54°
Afternoon76°feels 76°
Evening65°feels 64°
Overnight58°feels 57°
76 °
Lancaster, Wednesday, 28 October
Mostly clear. High 76°, low 54°.
Pressure30.18 inHg
Wind8 mph S
Humidity57%
Visibility6.2 mi
Dew point53°
Thu, 2971° / 56°0
Morning58°feels 57°
Afternoon69°feels 69°
Evening61°feels 61°
Overnight60°feels 59°
71 °
Lancaster, Thursday, 29 October
Overcast. High 71°, low 56°.
Pressure30.12 inHg
Wind8.3 mph W
Humidity59%
Visibility6.2 mi
Dew point56°
Fri, 3072° / 49°0.17
Morning49°feels 46°
Afternoon70°feels 69°
Evening62°feels 63°
Overnight52°feels 51°
72 °
Lancaster, Friday, 30 October
Rain. High 72°, low 49°.
Pressure30.27 inHg
Wind7.6 mph SE
Humidity62%
Visibility6.2 mi
Dew point52°
Sat, 3172° / 58°0.06
Morning60°feels 60°
Afternoon69°feels 69°
Evening61°feels 61°
Overnight60°feels 60°
72 °
Lancaster, Saturday, 31 October
Light rain. High 72°, low 58°.
Pressure30.18 inHg
Wind7.4 mph NE
Humidity64%
Visibility—
Dew point56°
Sun, 0169° / 56°0
Morning60°feels 59°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight57°feels 56°
69 °
Lancaster, Sunday, 1 November
Mostly clear. High 69°, low 56°.
Pressure30.12 inHg
Wind9.1 mph SE
Humidity60%
Visibility—
Dew point53°
Mon, 0254° / 51°0
Morning52°feels 51°
Afternoon55°feels 53°
Evening54°feels 53°
Overnight53°feels 53°
54 °
Lancaster, Monday, 2 November
Overcast. High 54°, low 51°.
Pressure29.91 inHg
Wind12.8 mph N
Humidity82%
Visibility—
Dew point49°
Tue, 0355° / 52°0
Morning53°feels 53°
Afternoon53°feels 52°
Evening53°feels 51°
Overnight52°feels 51°
55 °
Lancaster, Tuesday, 3 November
Overcast. High 55°, low 52°.
Pressure30.15 inHg
Wind16.4 mph NE
Humidity81%
Visibility—
Dew point48°
Wed, 0455° / 48°0.31
Morning52°feels 51°
Afternoon54°feels 52°
Evening49°feels 43°
Overnight48°feels 43°
55 °
Lancaster, Wednesday, 4 November
Rain. High 55°, low 48°.
Pressure29.97 inHg
Wind16 mph NE
Humidity67%
Visibility—
Dew point44°
Thu, 0559° / 47°0.07
Morning51°feels 47°
Afternoon54°feels 52°
Evening49°feels 46°
Overnight48°feels 44°
59 °
Lancaster, Thursday, 5 November
Light rain. High 59°, low 47°.
Pressure29.88 inHg
Wind15 mph NE
Humidity66%
Visibility—
Dew point43°
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.