10-day forecast for Allen, IL: 45° to 75°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 29
64° · 0.23 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2773° / 50°0
Morning54°feels 53°
Afternoon72°feels 71°
Evening59°feels 57°
Overnight52°feels 51°
73 °
Allen, Tuesday, 27 October
Overcast. High 73°, low 50°.
Pressure30.24 inHg
Wind6.1 mph S
Humidity58%
Visibility6.2 mi
Dew point52°
Wed, 2875° / 54°0
Morning55°feels 55°
Afternoon75°feels 74°
Evening64°feels 63°
Overnight57°feels 56°
75 °
Allen, Wednesday, 28 October
Partly cloudy. High 75°, low 54°.
Pressure30.18 inHg
Wind7.6 mph S
Humidity52%
Visibility6.2 mi
Dew point53°
Thu, 2975° / 58°0
Morning59°feels 58°
Afternoon75°feels 75°
Evening65°feels 65°
Overnight61°feels 60°
75 °
Allen, Thursday, 29 October
Partly cloudy. High 75°, low 58°.
Pressure30.12 inHg
Wind10.1 mph SW
Humidity58%
Visibility6.2 mi
Dew point57°
Fri, 3073° / 56°0.07
Morning58°feels 58°
Afternoon72°feels 72°
Evening64°feels 65°
Overnight59°feels 59°
73 °
Allen, Friday, 30 October
Light rain. High 73°, low 56°.
Pressure30.21 inHg
Wind6.9 mph SE
Humidity70%
Visibility6.2 mi
Dew point59°
Sat, 3171° / 60°0.01
Morning64°feels 64°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight60°feels 60°
71 °
Allen, Saturday, 31 October
Light rain. High 71°, low 60°.
Pressure30.15 inHg
Wind7.8 mph SE
Humidity64%
Visibility—
Dew point56°
Sun, 0165° / 60°0.16
Morning61°feels 61°
Afternoon64°feels 64°
Evening61°feels 61°
Overnight60°feels 60°
65 °
Allen, Sunday, 1 November
Light rain. High 65°, low 60°.
Pressure30.00 inHg
Wind7 mph N
Humidity76%
Visibility—
Dew point56°
Mon, 0268° / 56°0
Morning59°feels 59°
Afternoon65°feels 65°
Evening63°feels 63°
Overnight63°feels 63°
68 °
Allen, Monday, 2 November
Light rain. High 68°, low 56°.
Pressure29.88 inHg
Wind13.9 mph SE
Humidity77%
Visibility—
Dew point56°
Tue, 0364° / 53°0.23
Morning55°feels 54°
Afternoon54°feels 52°
Evening54°feels 51°
Overnight53°feels 51°
64 °
Allen, Tuesday, 3 November
Light rain. High 64°, low 53°.
Pressure29.74 inHg
Wind20.5 mph W
Humidity57%
Visibility—
Dew point40°
Wed, 0459° / 45°0
Morning49°feels 43°
Afternoon56°feels 52°
Evening51°feels 48°
Overnight52°feels 48°
59 °
Allen, Wednesday, 4 November
Mostly clear. High 59°, low 45°.
Pressure29.94 inHg
Wind20.5 mph W
Humidity31%
Visibility—
Dew point25°
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 Allen, 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.