10-day forecast for Porterville, IL: 63° to 94°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Tuesday, August 11
72° · 0.31 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 76°0.07
Morning79°feels 79°
Afternoon94°feels 106°
Evening82°feels 88°
Overnight79°feels 79°
94 °
Porterville, Monday, 10 August
Light rain. High 94°, low 76°.
Pressure29.97 inHg
Wind14.3 mph SW
Humidity65%
Visibility6.2 mi
Dew point74°
Tue, 1193° / 72°0
Morning76°feels 77°
Afternoon90°feels 100°
Evening83°feels 88°
Overnight74°feels 75°
93 °
Porterville, Tuesday, 11 August
Overcast. High 93°, low 72°.
Pressure29.91 inHg
Wind9.5 mph SW
Humidity76%
Visibility6.2 mi
Dew point74°
Wed, 1284° / 71°0.06
Morning74°feels 75°
Afternoon82°feels 89°
Evening74°feels 76°
Overnight81°feels 84°
84 °
Porterville, Wednesday, 12 August
Light rain. High 84°, low 71°.
Pressure29.80 inHg
Wind4.1 mph SW
Humidity71%
Visibility6.2 mi
Dew point74°
Thu, 1384° / 69°0.11
Morning73°feels 75°
Afternoon82°feels 86°
Evening75°feels 76°
Overnight70°feels 71°
84 °
Porterville, Thursday, 13 August
Light rain. High 84°, low 69°.
Pressure29.94 inHg
Wind13.5 mph NE
Humidity66%
Visibility—
Dew point69°
Fri, 1472° / 65°0.31
Morning67°feels 67°
Afternoon71°feels 72°
Evening68°feels 69°
Overnight66°feels 67°
72 °
Porterville, Friday, 14 August
Rain. High 72°, low 65°.
Pressure30.09 inHg
Wind15.3 mph NE
Humidity81%
Visibility—
Dew point65°
Sat, 1577° / 63°0.16
Morning67°feels 68°
Afternoon76°feels 77°
Evening74°feels 74°
Overnight68°feels 69°
77 °
Porterville, Saturday, 15 August
Light rain. High 77°, low 63°.
Pressure30.18 inHg
Wind11 mph E
Humidity74%
Visibility—
Dew point66°
Sun, 1682° / 65°0
Morning68°feels 68°
Afternoon76°feels 77°
Evening78°feels 79°
Overnight71°feels 73°
82 °
Porterville, Sunday, 16 August
Overcast. High 82°, low 65°.
Pressure30.06 inHg
Wind8.2 mph E
Humidity80%
Visibility—
Dew point67°
Mon, 1783° / 69°0
Morning74°feels 76°
Afternoon81°feels 84°
Evening74°feels 76°
Overnight69°feels 70°
83 °
Porterville, Monday, 17 August
Partly cloudy. High 83°, low 69°.
Pressure30.06 inHg
Wind8.6 mph NE
Humidity64%
Visibility—
Dew point67°
Tue, 1885° / 64°0
Morning70°feels 71°
Afternoon82°feels 84°
Evening78°feels 78°
Overnight71°feels 71°
85 °
Porterville, Tuesday, 18 August
Mostly clear. High 85°, low 64°.
Pressure30.03 inHg
Wind7.4 mph E
Humidity59%
Visibility—
Dew point65°
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 Porterville, 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.