10-day forecast for Erwin, IL: 41° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
61° · 0.21 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2275° / 49°0
Morning51°feels 50°
Afternoon75°feels 74°
Evening61°feels 60°
Overnight52°feels 51°
75 °
Erwin, Thursday, 22 October
Clear. High 75°, low 49°.
Pressure30.27 inHg
Wind2.2 mph E
Humidity44%
Visibility6.2 mi
Dew point49°
Fri, 2373° / 52°0
Morning52°feels 52°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight54°feels 53°
73 °
Erwin, Friday, 23 October
Clear. High 73°, low 52°.
Pressure30.30 inHg
Wind7.3 mph S
Humidity49%
Visibility6.2 mi
Dew point51°
Sat, 2471° / 52°0
Morning53°feels 52°
Afternoon70°feels 69°
Evening60°feels 59°
Overnight56°feels 54°
71 °
Erwin, Saturday, 24 October
Overcast. High 71°, low 52°.
Pressure30.33 inHg
Wind8.3 mph S
Humidity51%
Visibility6.2 mi
Dew point50°
Sun, 2575° / 53°0
Morning59°feels 58°
Afternoon72°feels 71°
Evening63°feels 62°
Overnight56°feels 55°
75 °
Erwin, Sunday, 25 October
Overcast. High 75°, low 53°.
Pressure30.33 inHg
Wind6.4 mph S
Humidity43%
Visibility—
Dew point47°
Mon, 2674° / 55°0
Morning60°feels 59°
Afternoon73°feels 71°
Evening64°feels 63°
Overnight61°feels 59°
74 °
Erwin, Monday, 26 October
Overcast. High 74°, low 55°.
Pressure30.21 inHg
Wind7.1 mph S
Humidity38%
Visibility—
Dew point44°
Tue, 2761° / 55°0.21
Morning55°feels 55°
Afternoon55°feels 55°
Evening55°feels 55°
Overnight55°feels 55°
61 °
Erwin, Tuesday, 27 October
Light rain. High 61°, low 55°.
Pressure30.21 inHg
Wind8.4 mph NW
Humidity90%
Visibility—
Dew point52°
Wed, 2862° / 54°0.09
Morning55°feels 55°
Afternoon59°feels 58°
Evening58°feels 57°
Overnight55°feels 54°
62 °
Erwin, Wednesday, 28 October
Light rain. High 62°, low 54°.
Pressure30.12 inHg
Wind17.6 mph W
Humidity76%
Visibility—
Dew point50°
Thu, 2952° / 43°0
Morning46°feels 40°
Afternoon47°feels 42°
Evening45°feels 42°
Overnight43°feels 40°
52 °
Erwin, Thursday, 29 October
Overcast. High 52°, low 43°.
Pressure30.30 inHg
Wind16.9 mph NW
Humidity60%
Visibility—
Dew point34°
Fri, 3056° / 41°0
Morning45°feels 44°
Afternoon54°feels 51°
Evening47°feels 45°
Overnight45°feels 42°
56 °
Erwin, Friday, 30 October
Overcast. High 56°, low 41°.
Pressure30.33 inHg
Wind6.8 mph E
Humidity42%
Visibility—
Dew point31°
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 Erwin, 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.