10-day forecast for Allen, IL: 49° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 30
74° · 0.13 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2576° / 51°0
Morning54°feels 53°
Afternoon75°feels 74°
Evening59°feels 58°
Overnight56°feels 54°
76 °
Allen, Sunday, 25 October
Overcast. High 76°, low 51°.
Pressure30.39 inHg
Wind4.3 mph S
Humidity48%
Visibility6.2 mi
Dew point49°
Mon, 2676° / 52°0
Morning55°feels 54°
Afternoon75°feels 74°
Evening61°feels 60°
Overnight54°feels 53°
76 °
Allen, Monday, 26 October
Overcast. High 76°, low 52°.
Pressure30.30 inHg
Wind2.5 mph SE
Humidity48%
Visibility6.2 mi
Dew point51°
Tue, 2773° / 53°0
Morning54°feels 53°
Afternoon73°feels 71°
Evening62°feels 61°
Overnight54°feels 54°
73 °
Allen, Tuesday, 27 October
Overcast. High 73°, low 53°.
Pressure30.21 inHg
Wind7.7 mph S
Humidity51%
Visibility6.2 mi
Dew point50°
Wed, 2876° / 55°0.01
Morning58°feels 57°
Afternoon74°feels 74°
Evening67°feels 66°
Overnight58°feels 57°
76 °
Allen, Wednesday, 28 October
Light rain. High 76°, low 55°.
Pressure30.18 inHg
Wind8.5 mph S
Humidity55%
Visibility6.2 mi
Dew point53°
Thu, 2977° / 59°0
Morning64°feels 63°
Afternoon74°feels 74°
Evening69°feels 69°
Overnight64°feels 64°
77 °
Allen, Thursday, 29 October
Partly cloudy. High 77°, low 59°.
Pressure30.15 inHg
Wind10.3 mph S
Humidity54%
Visibility—
Dew point55°
Fri, 3079° / 58°0
Morning64°feels 63°
Afternoon76°feels 75°
Evening69°feels 67°
Overnight66°feels 65°
79 °
Allen, Friday, 30 October
Overcast. High 79°, low 58°.
Pressure30.15 inHg
Wind9.7 mph S
Humidity44%
Visibility—
Dew point51°
Sat, 3179° / 64°0.07
Morning67°feels 66°
Afternoon73°feels 73°
Evening70°feels 70°
Overnight66°feels 66°
79 °
Allen, Saturday, 31 October
Light rain. High 79°, low 64°.
Pressure30.03 inHg
Wind14.5 mph S
Humidity49%
Visibility—
Dew point52°
Sun, 0174° / 65°0.13
Morning69°feels 69°
Afternoon70°feels 71°
Evening67°feels 68°
Overnight65°feels 65°
74 °
Allen, Sunday, 1 November
Light rain. High 74°, low 65°.
Pressure29.88 inHg
Wind19.7 mph S
Humidity76%
Visibility—
Dew point63°
Mon, 0272° / 58°0
Morning61°feels 61°
Afternoon69°feels 69°
Evening63°feels 62°
Overnight59°feels 58°
72 °
Allen, Monday, 2 November
Overcast. High 72°, low 58°.
Pressure30.09 inHg
Wind7.5 mph N
Humidity50%
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 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.