10-day forecast for Harlem, IL: 24° to 70°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Wednesday, October 21
47° · 0.1 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2170° / 43°0
Morning48°feels 47°
Afternoon69°feels 68°
Evening56°feels 56°
Overnight46°feels 44°
70 °
Harlem, Wednesday, 21 October
Clear. High 70°, low 43°.
Pressure30.27 inHg
Wind4.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point48°
Thu, 2269° / 48°0
Morning49°feels 47°
Afternoon68°feels 68°
Evening56°feels 55°
Overnight50°feels 50°
69 °
Harlem, Thursday, 22 October
Clear. High 69°, low 48°.
Pressure30.33 inHg
Wind5.1 mph NE
Humidity69%
Visibility6.2 mi
Dew point56°
Fri, 2363° / 46°0
Morning49°feels 47°
Afternoon63°feels 61°
Evening54°feels 53°
Overnight48°feels 47°
63 °
Harlem, Friday, 23 October
Clear. High 63°, low 46°.
Pressure30.36 inHg
Wind5.9 mph SE
Humidity64%
Visibility6.2 mi
Dew point47°
Sat, 2463° / 46°0
Morning50°feels 47°
Afternoon61°feels 60°
Evening55°feels 54°
Overnight51°feels 49°
63 °
Harlem, Saturday, 24 October
Overcast. High 63°, low 46°.
Pressure30.36 inHg
Wind9.2 mph S
Humidity56%
Visibility—
Dew point44°
Sun, 2566° / 49°0
Morning54°feels 52°
Afternoon64°feels 63°
Evening56°feels 55°
Overnight53°feels 51°
66 °
Harlem, Sunday, 25 October
Overcast. High 66°, low 49°.
Pressure30.36 inHg
Wind8 mph SW
Humidity58%
Visibility—
Dew point48°
Mon, 2656° / 44°0
Morning47°feels 44°
Afternoon55°feels 51°
Evening51°feels 47°
Overnight48°feels 45°
56 °
Harlem, Monday, 26 October
Overcast. High 56°, low 44°.
Pressure30.33 inHg
Wind8.6 mph NE
Humidity32%
Visibility—
Dew point25°
Tue, 2747° / 32°0.1
Morning44°feels 37°
Afternoon45°feels 37°
Evening35°feels 27°
Overnight34°feels 26°
47 °
Harlem, Tuesday, 27 October
Light rain. High 47°, low 32°.
Pressure30.30 inHg
Wind18.8 mph NW
Humidity37%
Visibility—
Dew point21°
Wed, 2840° / 24°0
Morning28°feels 20°
Afternoon38°feels 31°
Evening33°feels 26°
Overnight30°feels 22°
40 °
Harlem, Wednesday, 28 October
Clear. High 40°, low 24°.
Pressure30.47 inHg
Wind11.1 mph W
Humidity35%
Visibility—
Dew point11°
Thu, 2949° / 27°0
Morning33°feels 26°
Afternoon46°feels 41°
Evening39°feels 34°
Overnight35°feels 29°
49 °
Harlem, Thursday, 29 October
Mostly clear. High 49°, low 27°.
Pressure30.21 inHg
Wind11.3 mph W
Humidity30%
Visibility—
Dew point15°
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.