10-day forecast for Lancaster, IL: 45° to 70°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Saturday, October 31
66° · 0.93 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3170° / 54°0
Morning56°feels 54°
Afternoon69°feels 68°
Evening61°feels 60°
Overnight56°feels 54°
70 °
Lancaster, Saturday, 31 October
Overcast. High 70°, low 54°.
Pressure30.27 inHg
Wind6.5 mph S
Humidity49%
Visibility6.2 mi
Dew point47°
Sun, 0169° / 56°0
Morning57°feels 56°
Afternoon69°feels 68°
Evening62°feels 62°
Overnight59°feels 58°
69 °
Lancaster, Sunday, 1 November
Overcast. High 69°, low 56°.
Pressure30.27 inHg
Wind7.9 mph SE
Humidity74%
Visibility6.2 mi
Dew point56°
Mon, 0268° / 58°0.02
Morning58°feels 57°
Afternoon65°feels 65°
Evening65°feels 65°
Overnight60°feels 59°
68 °
Lancaster, Monday, 2 November
Light rain. High 68°, low 58°.
Pressure30.03 inHg
Wind11.4 mph SE
Humidity78%
Visibility6.2 mi
Dew point55°
Tue, 0366° / 62°0.55
Morning63°feels 63°
Afternoon64°feels 65°
Evening65°feels 65°
Overnight63°feels 63°
66 °
Lancaster, Tuesday, 3 November
Light rain. High 66°, low 62°.
Pressure29.77 inHg
Wind16.8 mph S
Humidity97%
Visibility—
Dew point63°
Wed, 0462° / 56°0.3
Morning58°feels 58°
Afternoon61°feels 60°
Evening58°feels 58°
Overnight58°feels 57°
62 °
Lancaster, Wednesday, 4 November
Rain. High 62°, low 56°.
Pressure29.77 inHg
Wind10.3 mph NW
Humidity66%
Visibility—
Dew point50°
Thu, 0562° / 53°0.03
Morning59°feels 58°
Afternoon61°feels 60°
Evening55°feels 54°
Overnight54°feels 53°
62 °
Lancaster, Thursday, 5 November
Light rain. High 62°, low 53°.
Pressure29.71 inHg
Wind15.8 mph N
Humidity76%
Visibility—
Dew point53°
Fri, 0660° / 46°0
Morning49°feels 46°
Afternoon57°feels 56°
Evening52°feels 51°
Overnight49°feels 47°
60 °
Lancaster, Friday, 6 November
Overcast. High 60°, low 46°.
Pressure29.88 inHg
Wind10.5 mph N
Humidity56%
Visibility—
Dew point41°
Sat, 0760° / 45°0
Morning49°feels 47°
Afternoon58°feels 56°
Evening53°feels 51°
Overnight49°feels 48°
60 °
Lancaster, Saturday, 7 November
Partly cloudy. High 60°, low 45°.
Pressure30.15 inHg
Wind7.1 mph NE
Humidity55%
Visibility—
Dew point41°
Sun, 0855° / 48°0.13
Morning49°feels 46°
Afternoon53°feels 51°
Evening52°feels 49°
Overnight49°feels 43°
55 °
Lancaster, Sunday, 8 November
Rain. High 55°, low 48°.
Pressure30.00 inHg
Wind16.4 mph E
Humidity62%
Visibility—
Dew point40°
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.