10-day forecast for Lancaster, IL: 49° to 75°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Monday, October 26
60° · 0.29 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2774° / 50°0
Morning54°feels 53°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight52°feels 51°
74 °
Lancaster, Tuesday, 27 October
Overcast. High 74°, low 50°.
Pressure30.21 inHg
Wind6.2 mph S
Humidity61%
Visibility6.2 mi
Dew point52°
Wed, 2873° / 55°0
Morning55°feels 54°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight58°feels 57°
73 °
Lancaster, Wednesday, 28 October
Mostly clear. High 73°, low 55°.
Pressure30.18 inHg
Wind8.2 mph S
Humidity55%
Visibility6.2 mi
Dew point52°
Thu, 2974° / 57°0.08
Morning57°feels 57°
Afternoon74°feels 74°
Evening64°feels 65°
Overnight60°feels 59°
74 °
Lancaster, Thursday, 29 October
Light rain. High 74°, low 57°.
Pressure30.06 inHg
Wind8.5 mph SW
Humidity57%
Visibility6.2 mi
Dew point56°
Fri, 3072° / 59°0.04
Morning62°feels 62°
Afternoon69°feels 69°
Evening66°feels 67°
Overnight59°feels 59°
72 °
Lancaster, Friday, 30 October
Light rain. High 72°, low 59°.
Pressure30.15 inHg
Wind7.9 mph S
Humidity77%
Visibility—
Dew point60°
Sat, 3173° / 59°0.01
Morning63°feels 63°
Afternoon71°feels 71°
Evening64°feels 64°
Overnight62°feels 61°
73 °
Lancaster, Saturday, 31 October
Light rain. High 73°, low 59°.
Pressure30.15 inHg
Wind7.1 mph SE
Humidity60%
Visibility—
Dew point56°
Sun, 0160° / 56°0.29
Morning58°feels 57°
Afternoon59°feels 59°
Evening58°feels 57°
Overnight56°feels 56°
60 °
Lancaster, Sunday, 1 November
Rain. High 60°, low 56°.
Pressure30.03 inHg
Wind7.6 mph SE
Humidity92%
Visibility—
Dew point56°
Mon, 0266° / 56°0.02
Morning60°feels 59°
Afternoon64°feels 64°
Evening61°feels 61°
Overnight60°feels 59°
66 °
Lancaster, Monday, 2 November
Light rain. High 66°, low 56°.
Pressure29.91 inHg
Wind5.2 mph NE
Humidity75%
Visibility—
Dew point56°
Tue, 0360° / 53°0.2
Morning59°feels 59°
Afternoon59°feels 57°
Evening54°feels 52°
Overnight54°feels 53°
60 °
Lancaster, Tuesday, 3 November
Light rain. High 60°, low 53°.
Pressure29.80 inHg
Wind14.6 mph W
Humidity59%
Visibility—
Dew point45°
Wed, 0456° / 49°0
Morning52°feels 51°
Afternoon53°feels 53°
Evening53°feels 52°
Overnight52°feels 51°
56 °
Lancaster, Wednesday, 4 November
Overcast. High 56°, low 49°.
Pressure29.97 inHg
Wind13.5 mph NE
Humidity84%
Visibility—
Dew point49°
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.