10-day forecast for Irwin, IL: 40° to 70°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Thursday, October 29
60° · 0.72 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3065° / 49°0.1
Morning50°feels 49°
Afternoon65°feels 63°
Evening57°feels 56°
Overnight52°feels 51°
65 °
Irwin, Friday, 30 October
Rain. High 65°, low 49°.
Pressure30.33 inHg
Wind6 mph E
Humidity56%
Visibility6.2 mi
Dew point46°
Sat, 3160° / 51°0.72
Morning51°feels 50°
Afternoon60°feels 58°
Evening54°feels 53°
Overnight55°feels 54°
60 °
Irwin, Saturday, 31 October
Heavy rain. High 60°, low 51°.
Pressure30.33 inHg
Wind6.8 mph SE
Humidity82%
Visibility6.2 mi
Dew point50°
Sun, 0167° / 51°0
Morning54°feels 52°
Afternoon66°feels 65°
Evening61°feels 60°
Overnight51°feels 50°
67 °
Irwin, Sunday, 1 November
Overcast. High 67°, low 51°.
Pressure30.30 inHg
Wind6.4 mph E
Humidity64%
Visibility6.2 mi
Dew point50°
Mon, 0264° / 54°0.03
Morning56°feels 56°
Afternoon62°feels 61°
Evening63°feels 63°
Overnight59°feels 59°
64 °
Irwin, Monday, 2 November
Light rain. High 64°, low 54°.
Pressure30.06 inHg
Wind17.8 mph S
Humidity75%
Visibility—
Dew point53°
Tue, 0364° / 62°0.61
Morning64°feels 64°
Afternoon64°feels 63°
Evening64°feels 64°
Overnight63°feels 63°
64 °
Irwin, Tuesday, 3 November
Rain. High 64°, low 62°.
Pressure29.94 inHg
Wind19.5 mph S
Humidity72%
Visibility—
Dew point55°
Wed, 0466° / 63°0.43
Morning64°feels 64°
Afternoon66°feels 66°
Evening64°feels 64°
Overnight65°feels 65°
66 °
Irwin, Wednesday, 4 November
Rain. High 66°, low 63°.
Pressure29.77 inHg
Wind15.4 mph SE
Humidity78%
Visibility—
Dew point59°
Thu, 0568° / 59°0.19
Morning62°feels 62°
Afternoon66°feels 66°
Evening62°feels 61°
Overnight59°feels 59°
68 °
Irwin, Thursday, 5 November
Light rain. High 68°, low 59°.
Pressure29.59 inHg
Wind12.2 mph S
Humidity66%
Visibility—
Dew point55°
Fri, 0658° / 46°0.09
Morning52°feels 50°
Afternoon48°feels 42°
Evening46°feels 39°
Overnight48°feels 43°
58 °
Irwin, Friday, 6 November
Light rain. High 58°, low 46°.
Pressure29.83 inHg
Wind16.8 mph N
Humidity81%
Visibility—
Dew point44°
Sat, 0753° / 40°0
Morning44°feels 38°
Afternoon51°feels 48°
Evening44°feels 41°
Overnight42°feels 38°
53 °
Irwin, Saturday, 7 November
Partly cloudy. High 53°, low 40°.
Pressure30.21 inHg
Wind13.5 mph N
Humidity50%
Visibility—
Dew point33°
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.