10-day forecast for Newtown, IL: 58° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Sunday, August 9
66° · 0.16 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 69°0
Morning75°feels 76°
Afternoon91°feels 104°
Evening85°feels 98°
Overnight70°feels 71°
92 °
Newtown, Sunday, 9 August
Clear. High 92°, low 69°.
Pressure30.00 inHg
Wind13.2 mph SW
Humidity72%
Visibility6.2 mi
Dew point74°
Mon, 1089° / 76°0.04
Morning79°feels 80°
Afternoon88°feels 98°
Evening82°feels 89°
Overnight80°feels 80°
89 °
Newtown, Monday, 10 August
Light rain. High 89°, low 76°.
Pressure29.94 inHg
Wind11.2 mph SW
Humidity70%
Visibility6.2 mi
Dew point74°
Tue, 1186° / 71°0.16
Morning75°feels 77°
Afternoon84°feels 91°
Evening81°feels 87°
Overnight72°feels 74°
86 °
Newtown, Tuesday, 11 August
Rain. High 86°, low 71°.
Pressure29.88 inHg
Wind0.2 mph SE
Humidity79%
Visibility6.2 mi
Dew point75°
Wed, 1282° / 70°0.04
Morning74°feels 75°
Afternoon84°feels 90°
Evening73°feels 75°
Overnight74°feels 75°
82 °
Newtown, Wednesday, 12 August
Light rain. High 82°, low 70°.
Pressure29.85 inHg
Wind1.7 mph NW
Humidity78%
Visibility6.2 mi
Dew point73°
Thu, 1379° / 65°0.13
Morning69°feels 70°
Afternoon77°feels 78°
Evening68°feels 69°
Overnight65°feels 66°
79 °
Newtown, Thursday, 13 August
Light rain. High 79°, low 65°.
Pressure29.97 inHg
Wind12 mph E
Humidity66%
Visibility—
Dew point65°
Fri, 1476° / 61°0.02
Morning65°feels 66°
Afternoon75°feels 76°
Evening70°feels 71°
Overnight63°feels 64°
76 °
Newtown, Friday, 14 August
Light rain. High 76°, low 61°.
Pressure30.09 inHg
Wind7.8 mph E
Humidity69%
Visibility—
Dew point63°
Sat, 1566° / 58°0.16
Morning61°feels 61°
Afternoon63°feels 64°
Evening64°feels 65°
Overnight60°feels 60°
66 °
Newtown, Saturday, 15 August
Rain. High 66°, low 58°.
Pressure30.27 inHg
Wind9.9 mph E
Humidity97%
Visibility—
Dew point62°
Sun, 1672° / 58°0
Morning65°feels 64°
Afternoon69°feels 70°
Evening70°feels 71°
Overnight66°feels 67°
72 °
Newtown, Sunday, 16 August
Light rain. High 72°, low 58°.
Pressure30.12 inHg
Wind6.4 mph E
Humidity79%
Visibility—
Dew point61°
Mon, 1776° / 63°0.14
Morning65°feels 66°
Afternoon70°feels 71°
Evening74°feels 74°
Overnight71°feels 71°
76 °
Newtown, Monday, 17 August
Light rain. High 76°, low 63°.
Pressure30.06 inHg
Wind6.5 mph N
Humidity92%
Visibility—
Dew point66°
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 Newtown, 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.