10-day forecast for Harlem, IL: 49° to 73°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, October 25
71° · 0.53 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2666° / 50°0
Morning51°feels 51°
Afternoon66°feels 65°
Evening53°feels 52°
Overnight52°feels 51°
66 °
Harlem, Monday, 26 October
Overcast. High 66°, low 50°.
Pressure30.36 inHg
Wind6.2 mph E
Humidity71%
Visibility6.2 mi
Dew point53°
Tue, 2770° / 49°0
Morning51°feels 50°
Afternoon69°feels 68°
Evening60°feels 59°
Overnight49°feels 46°
70 °
Harlem, Tuesday, 27 October
Light rain. High 70°, low 49°.
Pressure30.21 inHg
Wind8.8 mph SE
Humidity70%
Visibility6.2 mi
Dew point54°
Wed, 2870° / 54°0.05
Morning57°feels 56°
Afternoon69°feels 69°
Evening63°feels 63°
Overnight56°feels 56°
70 °
Harlem, Wednesday, 28 October
Light rain. High 70°, low 54°.
Pressure30.12 inHg
Wind10.5 mph S
Humidity63%
Visibility6.2 mi
Dew point53°
Thu, 2962° / 58°0.2
Morning58°feels 58°
Afternoon60°feels 59°
Evening59°feels 59°
Overnight58°feels 57°
62 °
Harlem, Thursday, 29 October
Rain. High 62°, low 58°.
Pressure30.15 inHg
Wind5.6 mph SW
Humidity81%
Visibility—
Dew point54°
Fri, 3069° / 51°0
Morning57°feels 56°
Afternoon68°feels 67°
Evening63°feels 62°
Overnight59°feels 58°
69 °
Harlem, Friday, 30 October
Overcast. High 69°, low 51°.
Pressure30.15 inHg
Wind8.6 mph SE
Humidity65%
Visibility—
Dew point54°
Sat, 3167° / 58°0.09
Morning59°feels 59°
Afternoon62°feels 62°
Evening65°feels 64°
Overnight61°feels 61°
67 °
Harlem, Saturday, 31 October
Light rain. High 67°, low 58°.
Pressure30.00 inHg
Wind10.6 mph SE
Humidity78%
Visibility—
Dew point54°
Sun, 0171° / 61°0.53
Morning67°feels 67°
Afternoon70°feels 70°
Evening62°feels 62°
Overnight62°feels 62°
71 °
Harlem, Sunday, 1 November
Rain. High 71°, low 61°.
Pressure29.74 inHg
Wind20.6 mph SW
Humidity74%
Visibility—
Dew point62°
Mon, 0267° / 52°0
Morning56°feels 55°
Afternoon64°feels 63°
Evening57°feels 55°
Overnight54°feels 53°
67 °
Harlem, Monday, 2 November
Clear. High 67°, low 52°.
Pressure30.09 inHg
Wind11.7 mph NW
Humidity62%
Visibility—
Dew point50°
Tue, 0361° / 50°0
Morning54°feels 52°
Afternoon60°feels 58°
Evening53°feels 51°
Overnight50°feels 47°
61 °
Harlem, Tuesday, 3 November
Overcast. High 61°, low 50°.
Pressure30.15 inHg
Wind8.8 mph SE
Humidity52%
Visibility—
Dew point42°
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.