10-day forecast for Harlem, IL: 45° to 72°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Sunday, October 25
60° · 0.38 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2666° / 51°0
Morning53°feels 53°
Afternoon64°feels 64°
Evening55°feels 54°
Overnight53°feels 53°
66 °
Harlem, Monday, 26 October
Overcast. High 66°, low 51°.
Pressure30.36 inHg
Wind7.2 mph E
Humidity69%
Visibility6.2 mi
Dew point53°
Tue, 2767° / 48°0
Morning49°feels 45°
Afternoon65°feels 64°
Evening60°feels 60°
Overnight48°feels 45°
67 °
Harlem, Tuesday, 27 October
Overcast. High 67°, low 48°.
Pressure30.27 inHg
Wind7.1 mph SE
Humidity72%
Visibility6.2 mi
Dew point52°
Wed, 2870° / 55°0.01
Morning55°feels 54°
Afternoon70°feels 69°
Evening61°feels 60°
Overnight58°feels 57°
70 °
Harlem, Wednesday, 28 October
Light rain. High 70°, low 55°.
Pressure30.18 inHg
Wind8.5 mph S
Humidity64%
Visibility6.2 mi
Dew point54°
Thu, 2967° / 57°0.02
Morning59°feels 59°
Afternoon64°feels 64°
Evening60°feels 60°
Overnight59°feels 59°
67 °
Harlem, Thursday, 29 October
Light rain. High 67°, low 57°.
Pressure30.09 inHg
Wind11.1 mph S
Humidity78%
Visibility—
Dew point57°
Fri, 3065° / 45°0
Morning50°feels 48°
Afternoon64°feels 62°
Evening59°feels 57°
Overnight52°feels 51°
65 °
Harlem, Friday, 30 October
Partly cloudy. High 65°, low 45°.
Pressure30.27 inHg
Wind5.9 mph N
Humidity48%
Visibility—
Dew point42°
Sat, 3168° / 54°0.12
Morning60°feels 60°
Afternoon64°feels 64°
Evening61°feels 60°
Overnight58°feels 57°
68 °
Harlem, Saturday, 31 October
Light rain. High 68°, low 54°.
Pressure30.09 inHg
Wind10.6 mph SW
Humidity71%
Visibility—
Dew point54°
Sun, 0160° / 58°0.38
Morning58°feels 58°
Afternoon59°feels 59°
Evening59°feels 59°
Overnight58°feels 58°
60 °
Harlem, Sunday, 1 November
Light rain. High 60°, low 58°.
Pressure30.03 inHg
Wind9.7 mph S
Humidity96%
Visibility—
Dew point57°
Mon, 0265° / 52°0.06
Morning56°feels 56°
Afternoon65°feels 64°
Evening63°feels 62°
Overnight61°feels 61°
65 °
Harlem, Monday, 2 November
Light rain. High 65°, low 52°.
Pressure29.97 inHg
Wind17.1 mph S
Humidity68%
Visibility—
Dew point52°
Tue, 0365° / 54°0.05
Morning64°feels 64°
Afternoon64°feels 63°
Evening57°feels 56°
Overnight56°feels 55°
65 °
Harlem, Tuesday, 3 November
Light rain. High 65°, low 54°.
Pressure29.77 inHg
Wind19.1 mph S
Humidity60%
Visibility—
Dew point51°
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 Harlem, 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.