10-day forecast for Harwinton, CT: 50° to 84°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Sunday, August 9
68°
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 65°0.1
Morning70°feels 69°
Afternoon83°feels 83°
Evening72°feels 74°
Overnight65°feels 64°
84 °
Harwinton, Monday, 10 August
Light rain. High 84°, low 65°.
Pressure29.97 inHg
Wind7.6 mph SW
Humidity41%
Visibility6.2 mi
Dew point58°
Tue, 1184° / 64°0
Morning68°feels 69°
Afternoon84°feels 83°
Evening68°feels 68°
Overnight67°feels 68°
84 °
Harwinton, Tuesday, 11 August
Light rain. High 84°, low 64°.
Pressure29.83 inHg
Wind10.6 mph NW
Humidity47%
Visibility6.2 mi
Dew point59°
Wed, 1268° / 61°0.01
Morning66°feels 65°
Afternoon64°feels 64°
Evening63°feels 63°
Overnight62°feels 61°
68 °
Harwinton, Wednesday, 12 August
Light rain. High 68°, low 61°.
Pressure29.80 inHg
Wind1.5 mph W
Humidity81%
Visibility6.2 mi
Dew point58°
Thu, 1378° / 59°0.05
Morning65°feels 65°
Afternoon75°feels 75°
Evening74°feels 74°
Overnight60°feels 60°
78 °
Harwinton, Thursday, 13 August
Light rain. High 78°, low 59°.
Pressure29.71 inHg
Wind11.5 mph NW
Humidity59%
Visibility—
Dew point58°
Fri, 1471° / 50°0
Morning55°feels 54°
Afternoon67°feels 65°
Evening66°feels 65°
Overnight52°feels 51°
71 °
Harwinton, Friday, 14 August
Clear. High 71°, low 50°.
Pressure29.94 inHg
Wind13.7 mph NW
Humidity46%
Visibility—
Dew point42°
Sat, 1574° / 50°0
Morning57°feels 55°
Afternoon68°feels 66°
Evening71°feels 70°
Overnight56°feels 55°
74 °
Harwinton, Saturday, 15 August
Clear. High 74°, low 50°.
Pressure30.03 inHg
Wind14.7 mph NW
Humidity45%
Visibility—
Dew point43°
Sun, 1675° / 53°0
Morning59°feels 58°
Afternoon73°feels 72°
Evening71°feels 70°
Overnight58°feels 57°
75 °
Harwinton, Sunday, 16 August
Overcast. High 75°, low 53°.
Pressure30.12 inHg
Wind7.6 mph NW
Humidity39%
Visibility—
Dew point44°
Mon, 1779° / 55°0.04
Morning61°feels 60°
Afternoon75°feels 74°
Evening70°feels 70°
Overnight59°feels 59°
79 °
Harwinton, Monday, 17 August
Light rain. High 79°, low 55°.
Pressure30.03 inHg
Wind7.3 mph W
Humidity41%
Visibility—
Dew point47°
Tue, 1880° / 56°0
Morning61°feels 61°
Afternoon76°feels 75°
Evening77°feels 77°
Overnight64°feels 64°
80 °
Harwinton, Tuesday, 18 August
Clear. High 80°, low 56°.
Pressure30.03 inHg
Wind6.9 mph NW
Humidity49%
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 Harwinton, 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.