10-day forecast for Irwin, IL: 45° to 75°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Wednesday, October 28
65° · 0.56 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2875° / 53°0
Morning55°feels 54°
Afternoon74°feels 73°
Evening64°feels 63°
Overnight55°feels 54°
75 °
Irwin, Wednesday, 28 October
Partly cloudy. High 75°, low 53°.
Pressure30.18 inHg
Wind8.1 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 2970° / 52°0
Morning59°feels 58°
Afternoon67°feels 67°
Evening59°feels 59°
Overnight60°feels 59°
70 °
Irwin, Thursday, 29 October
Overcast. High 70°, low 52°.
Pressure30.09 inHg
Wind11 mph W
Humidity58%
Visibility6.2 mi
Dew point55°
Fri, 3066° / 45°0.02
Morning46°feels 43°
Afternoon65°feels 64°
Evening59°feels 57°
Overnight49°feels 47°
66 °
Irwin, Friday, 30 October
Light rain. High 66°, low 45°.
Pressure30.30 inHg
Wind5.8 mph SE
Humidity52%
Visibility6.2 mi
Dew point46°
Sat, 3165° / 52°0.56
Morning55°feels 54°
Afternoon63°feels 62°
Evening58°feels 58°
Overnight56°feels 54°
65 °
Irwin, Saturday, 31 October
Heavy rain. High 65°, low 52°.
Pressure30.21 inHg
Wind7.4 mph SE
Humidity61%
Visibility—
Dew point48°
Sun, 0166° / 52°0.13
Morning56°feels 55°
Afternoon65°feels 64°
Evening61°feels 60°
Overnight57°feels 56°
66 °
Irwin, Sunday, 1 November
Light rain. High 66°, low 52°.
Pressure30.18 inHg
Wind10.6 mph NW
Humidity66%
Visibility—
Dew point52°
Mon, 0256° / 53°0.01
Morning53°feels 53°
Afternoon55°feels 55°
Evening56°feels 55°
Overnight55°feels 54°
56 °
Irwin, Monday, 2 November
Light rain. High 56°, low 53°.
Pressure29.85 inHg
Wind14.2 mph NE
Humidity91%
Visibility—
Dew point52°
Tue, 0355° / 52°0.01
Morning53°feels 52°
Afternoon53°feels 51°
Evening53°feels 51°
Overnight53°feels 51°
55 °
Irwin, Tuesday, 3 November
Light rain. High 55°, low 52°.
Pressure30.18 inHg
Wind15.4 mph NE
Humidity81%
Visibility—
Dew point47°
Wed, 0455° / 47°0.25
Morning49°feels 45°
Afternoon54°feels 52°
Evening52°feels 51°
Overnight51°feels 49°
55 °
Irwin, Wednesday, 4 November
Rain. High 55°, low 47°.
Pressure30.03 inHg
Wind14.7 mph NE
Humidity66%
Visibility—
Dew point42°
Thu, 0555° / 47°0.19
Morning53°feels 52°
Afternoon54°feels 53°
Evening52°feels 50°
Overnight48°feels 46°
55 °
Irwin, Thursday, 5 November
Light rain. High 55°, low 47°.
Pressure29.83 inHg
Wind13.1 mph N
Humidity89%
Visibility—
Dew point51°
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 Irwin, 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.