10-day forecast for Lancaster, IL: 38° to 73°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 29
70° · 0.52 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3065° / 50°0.07
Morning51°feels 49°
Afternoon65°feels 64°
Evening59°feels 58°
Overnight52°feels 51°
65 °
Lancaster, Friday, 30 October
Light rain. High 65°, low 50°.
Pressure30.30 inHg
Wind8.8 mph E
Humidity44%
Visibility6.2 mi
Dew point41°
Sat, 3163° / 53°0.37
Morning53°feels 53°
Afternoon63°feels 62°
Evening57°feels 56°
Overnight54°feels 53°
63 °
Lancaster, Saturday, 31 October
Heavy rain. High 63°, low 53°.
Pressure30.30 inHg
Wind6.9 mph SE
Humidity65%
Visibility6.2 mi
Dew point48°
Sun, 0166° / 55°0.03
Morning56°feels 55°
Afternoon64°feels 64°
Evening60°feels 60°
Overnight57°feels 56°
66 °
Lancaster, Sunday, 1 November
Light rain. High 66°, low 55°.
Pressure30.27 inHg
Wind9.2 mph SE
Humidity65%
Visibility6.2 mi
Dew point54°
Mon, 0264° / 56°0.05
Morning57°feels 57°
Afternoon62°feels 62°
Evening60°feels 61°
Overnight59°feels 59°
64 °
Lancaster, Monday, 2 November
Light rain. High 64°, low 56°.
Pressure30.03 inHg
Wind13.5 mph S
Humidity77%
Visibility—
Dew point54°
Tue, 0370° / 62°0.52
Morning64°feels 64°
Afternoon67°feels 67°
Evening68°feels 68°
Overnight69°feels 69°
70 °
Lancaster, Tuesday, 3 November
Rain. High 70°, low 62°.
Pressure29.83 inHg
Wind18.5 mph SE
Humidity86%
Visibility—
Dew point62°
Wed, 0469° / 50°0.21
Morning63°feels 63°
Afternoon61°feels 60°
Evening53°feels 52°
Overnight53°feels 52°
69 °
Lancaster, Wednesday, 4 November
Light rain. High 69°, low 50°.
Pressure29.59 inHg
Wind19.3 mph SE
Humidity88%
Visibility—
Dew point58°
Thu, 0553° / 42°0
Morning45°feels 39°
Afternoon51°feels 48°
Evening45°feels 42°
Overnight43°feels 38°
53 °
Lancaster, Thursday, 5 November
Clear. High 53°, low 42°.
Pressure29.88 inHg
Wind16 mph NW
Humidity36%
Visibility—
Dew point25°
Fri, 0655° / 38°0
Morning43°feels 38°
Afternoon53°feels 49°
Evening46°feels 43°
Overnight42°feels 38°
55 °
Lancaster, Friday, 6 November
Clear. High 55°, low 38°.
Pressure30.00 inHg
Wind9.9 mph W
Humidity31%
Visibility—
Dew point22°
Sat, 0756° / 40°0
Morning44°feels 40°
Afternoon53°feels 50°
Evening51°feels 48°
Overnight49°feels 47°
56 °
Lancaster, Saturday, 7 November
Overcast. High 56°, low 40°.
Pressure30.15 inHg
Wind9.8 mph SE
Humidity36%
Visibility—
Dew point26°
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.