10-day forecast for Macoupin, IL: 27° to 69°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, November 21
47°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1552° / 27°0
Morning37°feels 33°
Afternoon51°feels 49°
Evening38°feels 35°
Overnight28°feels 28°
52 °
Macoupin, Sunday, 15 November
Partly cloudy. High 52°, low 27°.
Pressure30.47 inHg
Wind0.4 mph W
Humidity50%
Visibility6.2 mi
Dew point29°
Mon, 1653° / 31°0
Morning37°feels 33°
Afternoon53°feels 51°
Evening39°feels 36°
Overnight33°feels 33°
53 °
Macoupin, Monday, 16 November
Clear. High 53°, low 31°.
Pressure30.53 inHg
Wind3.9 mph SW
Humidity46%
Visibility6.2 mi
Dew point32°
Tue, 1755° / 34°0
Morning39°feels 34°
Afternoon54°feels 52°
Evening43°feels 39°
Overnight36°feels 32°
55 °
Macoupin, Tuesday, 17 November
Clear. High 55°, low 34°.
Pressure30.50 inHg
Wind6.1 mph S
Humidity50%
Visibility6.2 mi
Dew point36°
Wed, 1859° / 39°0
Morning44°feels 40°
Afternoon56°feels 54°
Evening51°feels 48°
Overnight40°feels 35°
59 °
Macoupin, Wednesday, 18 November
Overcast. High 59°, low 39°.
Pressure30.33 inHg
Wind11 mph S
Humidity51%
Visibility—
Dew point37°
Thu, 1962° / 47°0
Morning52°feels 49°
Afternoon58°feels 57°
Evening54°feels 53°
Overnight50°feels 47°
62 °
Macoupin, Thursday, 19 November
Mostly clear. High 62°, low 47°.
Pressure30.27 inHg
Wind10.6 mph S
Humidity68%
Visibility—
Dew point47°
Fri, 2065° / 44°0
Morning49°feels 48°
Afternoon62°feels 59°
Evening57°feels 55°
Overnight53°feels 51°
65 °
Macoupin, Friday, 20 November
Mostly clear. High 65°, low 44°.
Pressure30.30 inHg
Wind9.8 mph SE
Humidity34%
Visibility—
Dew point31°
Sat, 2169° / 52°0.02
Morning56°feels 55°
Afternoon66°feels 64°
Evening60°feels 59°
Overnight57°feels 56°
69 °
Macoupin, Saturday, 21 November
Light rain. High 69°, low 52°.
Pressure30.03 inHg
Wind20.2 mph S
Humidity53%
Visibility—
Dew point47°
Sun, 2252° / 42°0
Morning46°feels 40°
Afternoon49°feels 46°
Evening45°feels 39°
Overnight42°feels 36°
52 °
Macoupin, Sunday, 22 November
Clear. High 52°, low 42°.
Pressure30.15 inHg
Wind16.2 mph W
Humidity43%
Visibility—
Dew point28°
Mon, 2349° / 35°0
Morning39°feels 32°
Afternoon46°feels 40°
Evening38°feels 33°
Overnight35°feels 30°
49 °
Macoupin, Monday, 23 November
Clear. High 49°, low 35°.
Pressure30.18 inHg
Wind16.4 mph W
Humidity31%
Visibility—
Dew point17°
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 Macoupin, 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.