10-day forecast for Simpson, IL: 42° to 92°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 22
73° · 0.16 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1670° / 52°0.04
Morning57°feels 56°
Afternoon61°feels 59°
Evening52°feels 50°
Overnight68°feels 69°
70 °
Simpson, Friday, 16 October
Light rain. High 70°, low 52°.
Pressure30.18 inHg
Wind13.3 mph NW
Humidity47%
Visibility6.2 mi
Dew point37°
Sat, 1758° / 45°0
Morning46°feels 42°
Afternoon58°feels 55°
Evening50°feels 47°
Overnight50°feels 45°
58 °
Simpson, Saturday, 17 October
Clear. High 58°, low 45°.
Pressure30.53 inHg
Wind9.1 mph N
Humidity49%
Visibility6.2 mi
Dew point37°
Sun, 1863° / 42°0
Morning46°feels 43°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight45°feels 42°
63 °
Simpson, Sunday, 18 October
Clear. High 63°, low 42°.
Pressure30.50 inHg
Wind4.7 mph SE
Humidity43%
Visibility6.2 mi
Dew point36°
Mon, 1968° / 45°0
Morning51°feels 50°
Afternoon65°feels 63°
Evening57°feels 55°
Overnight48°feels 46°
68 °
Simpson, Monday, 19 October
Partly cloudy. High 68°, low 45°.
Pressure30.39 inHg
Wind5.3 mph S
Humidity41%
Visibility—
Dew point39°
Tue, 2071° / 48°0
Morning55°feels 54°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight58°feels 57°
71 °
Simpson, Tuesday, 20 October
Partly cloudy. High 71°, low 48°.
Pressure30.33 inHg
Wind6.1 mph NE
Humidity40%
Visibility—
Dew point42°
Wed, 2178° / 54°0
Morning61°feels 60°
Afternoon75°feels 74°
Evening65°feels 64°
Overnight61°feels 59°
78 °
Simpson, Wednesday, 21 October
Clear. High 78°, low 54°.
Pressure30.27 inHg
Wind6.6 mph E
Humidity37%
Visibility—
Dew point46°
Thu, 2280° / 56°0
Morning63°feels 61°
Afternoon77°feels 77°
Evening68°feels 67°
Overnight63°feels 62°
80 °
Simpson, Thursday, 22 October
Partly cloudy. High 80°, low 56°.
Pressure30.21 inHg
Wind7 mph S
Humidity37%
Visibility—
Dew point48°
Fri, 2379° / 62°0
Morning66°feels 65°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight70°feels 69°
79 °
Simpson, Friday, 23 October
Overcast. High 79°, low 62°.
Pressure30.15 inHg
Wind13.4 mph S
Humidity52%
Visibility—
Dew point54°
Sat, 2473° / 65°0.16
Morning70°feels 70°
Afternoon72°feels 72°
Evening65°feels 66°
Overnight67°feels 68°
73 °
Simpson, Saturday, 24 October
Light rain. High 73°, low 65°.
Pressure30.21 inHg
Wind10.4 mph S
Humidity64%
Visibility—
Dew point60°
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 Simpson, 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.