10-day forecast for Glastonbury, CT: 54° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
65° · 0.46 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 67°0.01
Morning72°feels 72°
Afternoon86°feels 84°
Evening73°feels 74°
Overnight68°feels 68°
87 °
Glastonbury, Monday, 10 August
Light rain. High 87°, low 67°.
Pressure29.97 inHg
Wind4.9 mph SW
Humidity36%
Visibility6.2 mi
Dew point57°
Tue, 1187° / 67°0.02
Morning71°feels 72°
Afternoon87°feels 86°
Evening72°feels 72°
Overnight72°feels 74°
87 °
Glastonbury, Tuesday, 11 August
Light rain. High 87°, low 67°.
Pressure29.83 inHg
Wind8.8 mph NW
Humidity48%
Visibility6.2 mi
Dew point61°
Wed, 1286° / 62°0
Morning68°feels 68°
Afternoon86°feels 85°
Evening69°feels 69°
Overnight64°feels 64°
86 °
Glastonbury, Wednesday, 12 August
Overcast. High 86°, low 62°.
Pressure29.83 inHg
Wind3.2 mph SW
Humidity37%
Visibility6.2 mi
Dew point55°
Thu, 1384° / 65°0.1
Morning70°feels 71°
Afternoon84°feels 84°
Evening79°feels 78°
Overnight66°feels 67°
84 °
Glastonbury, Thursday, 13 August
Light rain. High 84°, low 65°.
Pressure29.65 inHg
Wind14.8 mph NW
Humidity47%
Visibility—
Dew point59°
Fri, 1477° / 59°0
Morning63°feels 61°
Afternoon73°feels 72°
Evening74°feels 73°
Overnight63°feels 62°
77 °
Glastonbury, Friday, 14 August
Clear. High 77°, low 59°.
Pressure29.97 inHg
Wind11.8 mph NW
Humidity40%
Visibility—
Dew point45°
Sat, 1578° / 56°0
Morning61°feels 59°
Afternoon73°feels 71°
Evening74°feels 73°
Overnight58°feels 56°
78 °
Glastonbury, Saturday, 15 August
Clear. High 78°, low 56°.
Pressure30.09 inHg
Wind10.8 mph N
Humidity37%
Visibility—
Dew point42°
Sun, 1681° / 54°0
Morning60°feels 59°
Afternoon76°feels 75°
Evening71°feels 71°
Overnight63°feels 62°
81 °
Glastonbury, Sunday, 16 August
Overcast. High 81°, low 54°.
Pressure30.15 inHg
Wind5.3 mph W
Humidity33%
Visibility—
Dew point43°
Mon, 1765° / 63°0.46
Morning65°feels 64°
Afternoon64°feels 65°
Evening64°feels 64°
Overnight63°feels 64°
65 °
Glastonbury, Monday, 17 August
Rain. High 65°, low 63°.
Pressure30.00 inHg
Wind9.4 mph N
Humidity95%
Visibility—
Dew point63°
Tue, 1882° / 60°0.01
Morning64°feels 64°
Afternoon75°feels 74°
Evening79°feels 78°
Overnight63°feels 63°
82 °
Glastonbury, Tuesday, 18 August
Light rain. High 82°, low 60°.
Pressure29.97 inHg
Wind8.4 mph N
Humidity58%
Visibility—
Dew point56°
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 Glastonbury, 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.