10-day forecast for Erwin, IL: 44° to 77°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Sunday, October 25
64° · 0.94 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2475° / 49°0
Morning52°feels 50°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight54°feels 52°
75 °
Erwin, Saturday, 24 October
Mostly clear. High 75°, low 49°.
Pressure30.33 inHg
Wind7.8 mph S
Humidity46%
Visibility6.2 mi
Dew point48°
Sun, 2577° / 52°0
Morning53°feels 52°
Afternoon77°feels 76°
Evening64°feels 63°
Overnight56°feels 55°
77 °
Erwin, Sunday, 25 October
Mostly clear. High 77°, low 52°.
Pressure30.36 inHg
Wind3.8 mph S
Humidity47%
Visibility6.2 mi
Dew point51°
Mon, 2675° / 55°0
Morning56°feels 55°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight58°feels 57°
75 °
Erwin, Monday, 26 October
Overcast. High 75°, low 55°.
Pressure30.33 inHg
Wind2.8 mph SE
Humidity54%
Visibility6.2 mi
Dew point53°
Tue, 2773° / 54°0.01
Morning60°feels 59°
Afternoon70°feels 69°
Evening63°feels 62°
Overnight56°feels 55°
73 °
Erwin, Tuesday, 27 October
Light rain. High 73°, low 54°.
Pressure30.21 inHg
Wind6.4 mph S
Humidity47%
Visibility—
Dew point48°
Wed, 2875° / 55°0.02
Morning61°feels 60°
Afternoon73°feels 72°
Evening64°feels 63°
Overnight61°feels 60°
75 °
Erwin, Wednesday, 28 October
Light rain. High 75°, low 55°.
Pressure30.00 inHg
Wind13.3 mph SW
Humidity38%
Visibility—
Dew point45°
Thu, 2977° / 60°0
Morning65°feels 63°
Afternoon75°feels 74°
Evening69°feels 67°
Overnight68°feels 66°
77 °
Erwin, Thursday, 29 October
Overcast. High 77°, low 60°.
Pressure30.09 inHg
Wind12.7 mph S
Humidity32%
Visibility—
Dew point42°
Fri, 3064° / 57°0.94
Morning60°feels 60°
Afternoon59°feels 59°
Evening58°feels 57°
Overnight59°feels 59°
64 °
Erwin, Friday, 30 October
Rain. High 64°, low 57°.
Pressure30.00 inHg
Wind17.9 mph S
Humidity94%
Visibility—
Dew point58°
Sat, 3160° / 51°0.1
Morning60°feels 59°
Afternoon58°feels 57°
Evening54°feels 54°
Overnight53°feels 52°
60 °
Erwin, Saturday, 31 October
Light rain. High 60°, low 51°.
Pressure29.91 inHg
Wind13.4 mph S
Humidity86%
Visibility—
Dew point55°
Sun, 0151° / 44°0.03
Morning48°feels 44°
Afternoon50°feels 47°
Evening45°feels 38°
Overnight45°feels 38°
51 °
Erwin, Sunday, 1 November
Light rain. High 51°, low 44°.
Pressure30.06 inHg
Wind15.4 mph W
Humidity70%
Visibility—
Dew point41°
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.