10-day forecast for Haddam, CT: 53° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
81° · 0.09 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 67°0.07
Morning72°feels 72°
Afternoon85°feels 83°
Evening74°feels 75°
Overnight68°feels 67°
85 °
Haddam, Monday, 10 August
Rain. High 85°, low 67°.
Pressure29.97 inHg
Wind5.4 mph SW
Humidity35%
Visibility6.2 mi
Dew point55°
Tue, 1187° / 67°0.07
Morning69°feels 71°
Afternoon86°feels 85°
Evening71°feels 71°
Overnight68°feels 69°
87 °
Haddam, Tuesday, 11 August
Light rain. High 87°, low 67°.
Pressure29.80 inHg
Wind5 mph W
Humidity56%
Visibility6.2 mi
Dew point64°
Wed, 1274° / 63°0
Morning68°feels 68°
Afternoon69°feels 69°
Evening66°feels 67°
Overnight65°feels 64°
74 °
Haddam, Wednesday, 12 August
Overcast. High 74°, low 63°.
Pressure29.77 inHg
Wind2.2 mph NE
Humidity64%
Visibility6.2 mi
Dew point58°
Thu, 1381° / 63°0.09
Morning66°feels 67°
Afternoon75°feels 75°
Evening78°feels 77°
Overnight63°feels 63°
81 °
Haddam, Thursday, 13 August
Light rain. High 81°, low 63°.
Pressure29.68 inHg
Wind11.7 mph NW
Humidity74%
Visibility—
Dew point63°
Fri, 1474° / 56°0
Morning60°feels 58°
Afternoon70°feels 68°
Evening70°feels 69°
Overnight56°feels 54°
74 °
Haddam, Friday, 14 August
Clear. High 74°, low 56°.
Pressure29.94 inHg
Wind14 mph NW
Humidity40%
Visibility—
Dew point42°
Sat, 1577° / 53°0
Morning58°feels 57°
Afternoon71°feels 69°
Evening74°feels 73°
Overnight60°feels 59°
77 °
Haddam, Saturday, 15 August
Clear. High 77°, low 53°.
Pressure30.03 inHg
Wind13.5 mph NW
Humidity41%
Visibility—
Dew point43°
Sun, 1678° / 55°0
Morning61°feels 60°
Afternoon76°feels 74°
Evening75°feels 74°
Overnight60°feels 58°
78 °
Haddam, Sunday, 16 August
Overcast. High 78°, low 55°.
Pressure30.12 inHg
Wind7.1 mph N
Humidity36%
Visibility—
Dew point44°
Mon, 1780° / 58°0.01
Morning64°feels 62°
Afternoon76°feels 76°
Evening74°feels 73°
Overnight61°feels 61°
80 °
Haddam, Monday, 17 August
Light rain. High 80°, low 58°.
Pressure30.03 inHg
Wind8.9 mph S
Humidity42%
Visibility—
Dew point49°
Tue, 1883° / 58°0
Morning63°feels 63°
Afternoon76°feels 76°
Evening75°feels 75°
Overnight67°feels 67°
83 °
Haddam, Tuesday, 18 August
Light rain. High 83°, low 58°.
Pressure30.03 inHg
Wind7.2 mph S
Humidity49%
Visibility—
Dew point53°
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 Haddam, 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.