10-day forecast for Lancaster, IL: 47° to 77°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Wednesday, October 28
67° · 0.76 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2877° / 53°0
Morning55°feels 54°
Afternoon76°feels 76°
Evening65°feels 64°
Overnight59°feels 58°
77 °
Lancaster, Wednesday, 28 October
Clear. High 77°, low 53°.
Pressure30.18 inHg
Wind8.2 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Thu, 2968° / 54°0
Morning58°feels 57°
Afternoon68°feels 68°
Evening60°feels 60°
Overnight59°feels 58°
68 °
Lancaster, Thursday, 29 October
Overcast. High 68°, low 54°.
Pressure30.12 inHg
Wind7.9 mph W
Humidity66%
Visibility6.2 mi
Dew point56°
Fri, 3070° / 47°0.13
Morning47°feels 44°
Afternoon69°feels 68°
Evening61°feels 61°
Overnight50°feels 49°
70 °
Lancaster, Friday, 30 October
Light rain. High 70°, low 47°.
Pressure30.27 inHg
Wind6.8 mph SE
Humidity51%
Visibility6.2 mi
Dew point46°
Sat, 3167° / 58°0.4
Morning58°feels 58°
Afternoon67°feels 67°
Evening62°feels 62°
Overnight60°feels 60°
67 °
Lancaster, Saturday, 31 October
Rain. High 67°, low 58°.
Pressure30.24 inHg
Wind4.9 mph S
Humidity85%
Visibility6.2 mi
Dew point59°
Sun, 0170° / 54°0
Morning58°feels 58°
Afternoon67°feels 67°
Evening61°feels 61°
Overnight57°feels 57°
70 °
Lancaster, Sunday, 1 November
Overcast. High 70°, low 54°.
Pressure30.18 inHg
Wind7.6 mph SE
Humidity66%
Visibility—
Dew point55°
Mon, 0264° / 55°0
Morning57°feels 57°
Afternoon62°feels 62°
Evening59°feels 58°
Overnight58°feels 58°
64 °
Lancaster, Monday, 2 November
Overcast. High 64°, low 55°.
Pressure29.88 inHg
Wind7 mph SE
Humidity80%
Visibility—
Dew point55°
Tue, 0367° / 59°0.76
Morning60°feels 60°
Afternoon63°feels 63°
Evening65°feels 65°
Overnight65°feels 65°
67 °
Lancaster, Tuesday, 3 November
Rain. High 67°, low 59°.
Pressure29.65 inHg
Wind22.4 mph E
Humidity87%
Visibility—
Dew point58°
Wed, 0466° / 56°0.46
Morning61°feels 60°
Afternoon60°feels 59°
Evening57°feels 55°
Overnight57°feels 55°
66 °
Lancaster, Wednesday, 4 November
Rain. High 66°, low 56°.
Pressure29.68 inHg
Wind17.1 mph E
Humidity52%
Visibility—
Dew point43°
Thu, 0555° / 52°0.11
Morning53°feels 51°
Afternoon54°feels 53°
Evening53°feels 53°
Overnight55°feels 54°
55 °
Lancaster, Thursday, 5 November
Light rain. High 55°, low 52°.
Pressure29.62 inHg
Wind9.7 mph W
Humidity81%
Visibility—
Dew point48°
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.