Killingly — Weather
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20°C68°F· Overcast · 100% cloud cover
Feels like 21°C70°F · Low 20°C68°F · High 25°C77°F
Wind
8 km/h2 m/s5 mph from S
Humidity
87%
Pressure
1014 hPa29.96 inHgstable
UV Index
0.1Low
Fair weather
Killingly now: 20°C68°F and overcast.
⛈️ Wet period, moderate-intensity Tuesday–Wednesday, with rain and embedded thunderstorms. Total ~10.1 mm. Peak Wednesday (5.6 mm). Below the monthly normal (94 mm/month).
🌧️ Rain expected from 18:00.
🌡️ 25°C77°F today, 3.9°C48°F warmer than the July climate average (21°C70°F).
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
Today4.5 mm0.18 inS 22 km/h6 m/s14 mph(gusts 541533)82%UV 10hToday82%S 22 km/h6 m/s14 mph (gusts 541533)4.5 mm0.18 inUV 10h
Today
4.5 mm0.18 inS 22 km/h6 m/s14 mph(gusts 541533)82%UV 10h
Today
82%
S 22 km/h6 m/s14 mph (gusts 541533)
4.5 mm0.18 in
UV 1
0h
Today — Hourly Forecast
05:3114.8h20:16
Tomorrow5.6 mm0.22 in· heavySW 19 km/h5 m/s12 mph(gusts 481330)77%UV 14hTomorrow77%SW 19 km/h5 m/s12 mph (gusts 481330)5.6 mm0.22 inUV 14h
Tomorrow
5.6 mm0.22 in· heavySW 19 km/h5 m/s12 mph(gusts 481330)77%UV 14h
Tomorrow
77%
SW 19 km/h5 m/s12 mph (gusts 481330)
5.6 mm0.22 in
UV 1
4h
Tomorrow — Hourly Forecast
05:3214.7h20:15
ThursdayNW 7 km/h2 m/s4 mph(gusts 18511)62%UV 210hThursday62%NW 7 km/h2 m/s4 mph (gusts 18511)UV 210h
Thursday
NW 7 km/h2 m/s4 mph(gusts 18511)62%UV 210h
Thursday
62%
NW 7 km/h2 m/s4 mph (gusts 18511)
UV 2
10h
Thursday — Forecast Overview
05:3214.7h20:15
FridayE 16 km/h4 m/s10 mph66%UV 213hFriday66%E 16 km/h4 m/s10 mphUV 213h
Friday
E 16 km/h4 m/s10 mph66%UV 213h
Friday
66%
E 16 km/h4 m/s10 mph
UV 2
13h
Friday — Forecast Overview
05:3314.7h20:14
SaturdayNE 16 km/h4 m/s10 mph(gusts 27717)61%UV 215hSaturday61%NE 16 km/h4 m/s10 mph (gusts 27717)UV 215h
Saturday
NE 16 km/h4 m/s10 mph(gusts 27717)61%UV 215h
Saturday
61%
NE 16 km/h4 m/s10 mph (gusts 27717)
UV 2
15h
Saturday — Forecast Overview
05:3414.6h20:13
SundayNE 10 km/h3 m/s6 mph(gusts 30819)66%UV 314hSunday66%NE 10 km/h3 m/s6 mph (gusts 30819)UV 314h
Sunday
NE 10 km/h3 m/s6 mph(gusts 30819)66%UV 314h
Sunday
66%
NE 10 km/h3 m/s6 mph (gusts 30819)
UV 3
14h
Night
12°C54°F
Morning
11°C51°F
Afternoon
27°C81°F
Evening
16°C61°F
05:3514.6h20:12
MondayS 12 km/h3 m/s8 mph(gusts 30819)68%UV 311hMonday68%S 12 km/h3 m/s8 mph (gusts 30819)UV 311h
Monday
S 12 km/h3 m/s8 mph(gusts 30819)68%UV 311h
Monday
68%
S 12 km/h3 m/s8 mph (gusts 30819)
UV 3
11h
Night
15°C59°F
Morning
26°C78°F
Afternoon
26°C78°F
Evening
23°C74°F
05:3614.6h20:11
Tuesday4.7 mm0.18 inS 21 km/h6 m/s13 mph(gusts 471329)85%UV 28hTuesday85%S 21 km/h6 m/s13 mph (gusts 471329)4.7 mm0.18 inUV 28h
Tuesday
4.7 mm0.18 inS 21 km/h6 m/s13 mph(gusts 471329)85%UV 28h
Tuesday
85%
S 21 km/h6 m/s13 mph (gusts 471329)
4.7 mm0.18 in
UV 2
8h
Night
19°C66°F
Morning
24°C76°F
Afternoon
24°C76°F
Evening
21°C69°F
05:3714.5h20:10
WednesdaySW 22 km/h6 m/s14 mph(gusts 441228)81%15hWednesday81%SW 22 km/h6 m/s14 mph (gusts 441228)15h
Wednesday
SW 22 km/h6 m/s14 mph(gusts 441228)81%15h
Wednesday
81%
SW 22 km/h6 m/s14 mph (gusts 441228)
15h
Night
21°C70°F
Morning
27°C81°F
Afternoon
27°C81°F
Evening
20°C67°F
05:3814.5h20:09
ThursdayNW 21 km/h6 m/s13 mph(gusts 511432)54%15hThursday54%NW 21 km/h6 m/s13 mph (gusts 511432)15h
Thursday
NW 21 km/h6 m/s13 mph(gusts 511432)54%15h
Thursday
54%
NW 21 km/h6 m/s13 mph (gusts 511432)
15h
Night
18°C65°F
Morning
26°C78°F
Afternoon
26°C78°F
Evening
21°C70°F
05:3914.5h20:08
FridaySE 16 km/h4 m/s10 mph(gusts 33921)61%14hFriday61%SE 16 km/h4 m/s10 mph (gusts 33921)14h
Friday
SE 16 km/h4 m/s10 mph(gusts 33921)61%14h
Friday
61%
SE 16 km/h4 m/s10 mph (gusts 33921)
14h
Night
17°C62°F
Morning
27°C80°F
Afternoon
27°C80°F
Evening
20°C68°F
05:4014.4h20:07
Saturday4.9 mm0.19 inS 20 km/h5 m/s12 mph(gusts 401125)96%9hSaturday96%S 20 km/h5 m/s12 mph (gusts 401125)4.9 mm0.19 in9h
Saturday
4.9 mm0.19 inS 20 km/h5 m/s12 mph(gusts 401125)96%9h
Saturday
96%
S 20 km/h5 m/s12 mph (gusts 401125)
4.9 mm0.19 in
9h
Night
17°C62°F
Morning
20°C67°F
Afternoon
20°C67°F
Evening
22°C71°F
05:4114.4h20:06
SundayW 20 km/h6 m/s13 mph(gusts 381124)72%14hSunday72%W 20 km/h6 m/s13 mph (gusts 381124)14h
Sunday
W 20 km/h6 m/s13 mph(gusts 381124)72%14h
Sunday
72%
W 20 km/h6 m/s13 mph (gusts 381124)
14h
Night
16°C62°F
Morning
25°C77°F
Afternoon
25°C77°F
Evening
19°C66°F
05:4214.4h20:04
MondayNW 13 km/h4 m/s8 mph(gusts 31919)60%14hMonday60%NW 13 km/h4 m/s8 mph (gusts 31919)14h
Monday
NW 13 km/h4 m/s8 mph(gusts 31919)60%14h
Monday
60%
NW 13 km/h4 m/s8 mph (gusts 31919)
14h
Night
12°C53°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
19°C65°F
05:4314.3h20:03
TuesdayE 16 km/h4 m/s10 mph66%14hTuesday66%E 16 km/h4 m/s10 mph14h
Tuesday
E 16 km/h4 m/s10 mph66%14h
Tuesday
66%
E 16 km/h4 m/s10 mph
14h
Night
14°C57°F
Morning
26°C78°F
Afternoon
26°C78°F
Evening
18°C64°F
05:4414.3h20:02
WednesdayS 15 km/h4 m/s10 mph68%14hWednesday68%S 15 km/h4 m/s10 mph14h
Wednesday
S 15 km/h4 m/s10 mph68%14h
Wednesday
68%
S 15 km/h4 m/s10 mph
14h
Night
14°C57°F
Morning
27°C81°F
Afternoon
27°C81°F
Evening
19°C66°F
05:4514.3h20:01
Sunrise
05:31
Civil Dawn 05:01
Sunset
20:16
Civil Dusk 20:46
Today vs. seasonal normal
-2.2°C-3.9°F
Killingly is located in Connecticut, United States. Elevation: 81m. Annual average temperature: 9.1°C. Annual precipitation: 1243mm.
Frequently Asked Questions
What is the weather like in Killingly today?
Today in Killingly, United States, the temperature is 20°C with Overcast. The high is 25°C and the low is 20°C.
What is the 16-day forecast for Killingly?
The 16-day forecast for Killingly shows the warmest day is Wednesday at 30°C, while the coolest night is Sunday at 11°C. 5 day(s) have precipitation expected.
What time is sunrise and sunset in Killingly?
In Killingly, sunrise is at 05:31 and sunset is at 20:16. Day length is approximately 14h 45m.
How accurate is the weather forecast for Killingly?
Our forecasts for Killingly use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Killingly has an annual average temperature of 9.1°C and receives 1243mm of precipitation per year.
Last updated: 07/21/2026, 08:00 AM
July climate in Killingly
Normals for July: average 21°C (15–27°C), around 94 mm of rain across the month. About 12°C warmer than the annual average of 9.1°C.
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Attawaugan20°
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Ballouville20°
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South Killingly20°
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Pineville20°
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East Killingly20°
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