10-day forecast for Simpson, IL: 31° to 86°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, October 12
83° · 1.12 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1286° / 62°0
Morning64°feels 64°
Afternoon86°feels 87°
Evening74°feels 75°
Overnight63°feels 63°
86 °
Simpson, Monday, 12 October
Clear. High 86°, low 62°.
Pressure30.03 inHg
Wind9.4 mph SW
Humidity53%
Visibility6.2 mi
Dew point63°
Tue, 1386° / 65°0
Morning67°feels 66°
Afternoon85°feels 86°
Evening75°feels 76°
Overnight69°feels 68°
86 °
Simpson, Tuesday, 13 October
Clear. High 86°, low 65°.
Pressure30.00 inHg
Wind9.4 mph SW
Humidity49%
Visibility6.2 mi
Dew point61°
Wed, 1480° / 70°0.22
Morning72°feels 73°
Afternoon76°feels 78°
Evening72°feels 74°
Overnight72°feels 73°
80 °
Simpson, Wednesday, 14 October
Rain. High 80°, low 70°.
Pressure30.06 inHg
Wind0.9 mph SE
Humidity97%
Visibility1.9 mi
Dew point73°
Thu, 1583° / 69°1.12
Morning71°feels 72°
Afternoon83°feels 88°
Evening76°feels 78°
Overnight70°feels 71°
83 °
Simpson, Thursday, 15 October
Heavy rain. High 83°, low 69°.
Pressure30.06 inHg
Wind7.7 mph SW
Humidity77%
Visibility6.2 mi
Dew point72°
Fri, 1673° / 56°0.31
Morning67°feels 67°
Afternoon65°feels 64°
Evening59°feels 57°
Overnight58°feels 57°
73 °
Simpson, Friday, 16 October
Rain. High 73°, low 56°.
Pressure30.24 inHg
Wind16.7 mph N
Humidity53%
Visibility—
Dew point49°
Sat, 1751° / 36°0
Morning40°feels 33°
Afternoon47°feels 42°
Evening39°feels 35°
Overnight36°feels 31°
51 °
Simpson, Saturday, 17 October
Clear. High 51°, low 36°.
Pressure30.53 inHg
Wind14.1 mph N
Humidity21%
Visibility—
Dew point9°
Sun, 1857° / 31°0
Morning38°feels 35°
Afternoon52°feels 49°
Evening45°feels 42°
Overnight40°feels 36°
57 °
Simpson, Sunday, 18 October
Clear. High 57°, low 31°.
Pressure30.59 inHg
Wind7 mph S
Humidity22%
Visibility—
Dew point13°
Mon, 1966° / 37°0
Morning44°feels 40°
Afternoon62°feels 59°
Evening52°feels 49°
Overnight47°feels 45°
66 °
Simpson, Monday, 19 October
Clear. High 66°, low 37°.
Pressure30.47 inHg
Wind10.3 mph SW
Humidity23%
Visibility—
Dew point22°
Tue, 2067° / 42°0
Morning49°feels 46°
Afternoon64°feels 62°
Evening56°feels 54°
Overnight51°feels 48°
67 °
Simpson, Tuesday, 20 October
Overcast. High 67°, low 42°.
Pressure30.39 inHg
Wind6.9 mph S
Humidity26%
Visibility—
Dew point27°
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.