10-day forecast for Newtown, CT: 51° to 88°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Sunday, August 9
86° · 0.13 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 66°0.13
Morning70°feels 70°
Afternoon85°feels 83°
Evening73°feels 74°
Overnight67°feels 66°
86 °
Newtown, Monday, 10 August
Rain. High 86°, low 66°.
Pressure29.97 inHg
Wind7.5 mph SW
Humidity36%
Visibility6.2 mi
Dew point58°
Tue, 1188° / 66°0.07
Morning70°feels 71°
Afternoon88°feels 86°
Evening71°feels 71°
Overnight69°feels 70°
88 °
Newtown, Tuesday, 11 August
Light rain. High 88°, low 66°.
Pressure29.80 inHg
Wind5.5 mph NW
Humidity49%
Visibility6.2 mi
Dew point63°
Wed, 1277° / 64°0
Morning65°feels 65°
Afternoon71°feels 70°
Evening67°feels 67°
Overnight64°feels 63°
77 °
Newtown, Wednesday, 12 August
Overcast. High 77°, low 64°.
Pressure29.77 inHg
Wind2.4 mph N
Humidity75%
Visibility6.2 mi
Dew point59°
Thu, 1380° / 62°0.06
Morning66°feels 67°
Afternoon76°feels 76°
Evening77°feels 76°
Overnight62°feels 62°
80 °
Newtown, Thursday, 13 August
Light rain. High 80°, low 62°.
Pressure29.71 inHg
Wind11.9 mph NW
Humidity68%
Visibility—
Dew point62°
Fri, 1475° / 53°0
Morning57°feels 56°
Afternoon69°feels 68°
Evening70°feels 69°
Overnight55°feels 54°
75 °
Newtown, Friday, 14 August
Clear. High 75°, low 53°.
Pressure29.97 inHg
Wind12.3 mph NW
Humidity42%
Visibility—
Dew point43°
Sat, 1576° / 51°0
Morning56°feels 55°
Afternoon70°feels 68°
Evening73°feels 71°
Overnight56°feels 55°
76 °
Newtown, Saturday, 15 August
Clear. High 76°, low 51°.
Pressure30.06 inHg
Wind11.1 mph NW
Humidity41%
Visibility—
Dew point42°
Sun, 1677° / 53°0
Morning60°feels 58°
Afternoon74°feels 73°
Evening69°feels 68°
Overnight57°feels 56°
77 °
Newtown, Sunday, 16 August
Overcast. High 77°, low 53°.
Pressure30.12 inHg
Wind7.6 mph N
Humidity36%
Visibility—
Dew point43°
Mon, 1783° / 55°0
Morning62°feels 61°
Afternoon78°feels 78°
Evening77°feels 77°
Overnight60°feels 59°
83 °
Newtown, Monday, 17 August
Mostly clear. High 83°, low 55°.
Pressure30.03 inHg
Wind5.8 mph SW
Humidity38%
Visibility—
Dew point47°
Tue, 1884° / 58°0
Morning64°feels 63°
Afternoon78°feels 78°
Evening76°feels 76°
Overnight63°feels 63°
84 °
Newtown, Tuesday, 18 August
Clear. High 84°, low 58°.
Pressure30.03 inHg
Wind5.8 mph NW
Humidity44%
Visibility—
Dew point52°
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, CT 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.