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
Now
20°C68°F
85
87
09:00
22°C71°F
149
84
10:00
23°C73°F
1610
79
11:00
23°C73°F
1711
75
12:00
24°C75°F
1912
72
13:00
24°C75°F
2013
69
14:00
25°C77°F
2214
65
15:00
25°C77°F
2213
66
16:00
25°C77°F
2113
68
17:00
23°C74°F
1710
76
18:00
22°C71°F
1.80.07
149
85
19:00
21°C70°F
2.40.09
138
90
20:00
21°C69°F
0.30.01
149
95
21:00
21°C70°F
106
98
22:00
21°C70°F
85
99
23:00
22°C71°F
106
99
00:00
22°C72°F
117
99
01:00
22°C72°F
117
99
02:00
23°C73°F
128
99
03:00
23°C73°F
127
98
04:00
22°C72°F
4.10.16
138
98
05:00
22°C72°F
1.20.05
149
98
06:00
22°C72°F
0.20.01
106
97
07:00
22°C72°F
106
96
08:00
23°C73°F
117
94
09:00
24°C74°F
127
90
10:00
25°C76°F
127
84
11:00
26°C78°F
127
77
12:00
27°C80°F
159
71
13:00
27°C81°F
1711
64
14:00
27°C81°F
1912
62
15:00
27°C81°F
1811
60
16:00
27°C80°F
1710
56
17:00
26°C79°F
1711
52
18:00
25°C78°F
159
48
19:00
24°C76°F
106
49
20:00
22°C72°F
64
55
21:00
20°C69°F
43
65
22:00
19°C67°F
53
69
23:00
18°C64°F
63
73
00:00
17°C63°F
64
76
03:00
16°C61°F
53
75
06:00
14°C58°F
32
86
09:00
19°C67°F
64
64
12:00
24°C75°F
32
45
15:00
26°C78°F
21
38
18:00
25°C78°F
21
41
mminkm/hm/smphHumidity %
Daily Forecast
Today4.5 mm0.18 inS 22 km/h6 m/s14 mph(gusts 541533)82%UV 10hTodayThunderstorm82%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
Thunderstorm
82%
S 22 km/h6 m/s14 mph (gusts 541533)
4.5 mm0.18 in
UV 1
0h
Today — Hourly Forecast
Now
20°C68°F
825
09:00
22°C71°F
1449
10:00
23°C73°F
16410
11:00
23°C73°F
17511
12:00
24°C75°F
19512
13:00
24°C75°F
20613
14:00
25°C77°F
22614
15:00
25°C77°F
22613
16:00
25°C77°F
21613
17:00
23°C74°F
17510
18:00
22°C71°F
1449
19:00
21°C70°F
1348
20:00
21°C69°F
1449
21:00
21°C70°F
1036
22:00
21°C70°F
825
23:00
22°C71°F
1036
05:3114.8h20:16
Tomorrow5.6 mm0.22 in· heavySW 19 km/h5 m/s12 mph(gusts 481330)77%UV 14hTomorrowThunderstorm77%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
Thunderstorm
77%
SW 19 km/h5 m/s12 mph (gusts 481330)
5.6 mm0.22 in
UV 1
4h
Tomorrow — Hourly Forecast
00:00
22°C72°F
1137
01:00
22°C72°F
1137
02:00
23°C73°F
1238
03:00
23°C73°F
1237
04:00
22°C72°F
1348
05:00
22°C72°F
1449
06:00
22°C72°F
1036
07:00
22°C72°F
1036
08:00
23°C73°F
1137
09:00
24°C74°F
1237
10:00
25°C76°F
1237
11:00
26°C78°F
1237
12:00
27°C80°F
1549
13:00
27°C81°F
17511
14:00
27°C81°F
19512
15:00
27°C81°F
18511
16:00
27°C80°F
17510
17:00
26°C79°F
17511
18:00
25°C78°F
1549
19:00
24°C76°F
1036
20:00
22°C72°F
624
21:00
20°C69°F
413
22:00
19°C67°F
513
23:00
18°C64°F
623
05:3214.7h20:15
ThursdayNW 7 km/h2 m/s4 mph(gusts 18511)62%UV 210hThursdayPartly cloudy62%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
Partly cloudy
62%
NW 7 km/h2 m/s4 mph (gusts 18511)
UV 2
10h
Thursday — Forecast Overview
00:00
17°C63°F
624
03:00
16°C61°F
523
06:00
14°C58°F
312
09:00
19°C67°F
624
12:00
24°C75°F
312
15:00
26°C78°F
201
18:00
25°C78°F
211
21:00
20°C69°F
624
05:3214.7h20:15
FridayE 16 km/h4 m/s10 mph66%UV 213hFridayClear66%E 16 km/h4 m/s10 mphUV 213h
Friday
E 16 km/h4 m/s10 mph66%UV 213h
Friday
Clear
66%
E 16 km/h4 m/s10 mph
UV 2
13h
Friday — Forecast Overview
00:00
15°C59°F
312
03:00
14°C57°F
312
06:00
12°C54°F
412
09:00
22°C72°F
211
12:00
27°C81°F
623
15:00
28°C83°F
724
18:00
23°C74°F
16410
21:00
15°C60°F
513
05:3314.7h20:14
SaturdayNE 16 km/h4 m/s10 mph(gusts 27717)61%UV 215hSaturdayClear61%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
Clear
61%
NE 16 km/h4 m/s10 mph (gusts 27717)
UV 2
15h
Saturday — Forecast Overview
00:00
14°C57°F
211
03:00
13°C55°F
513
06:00
13°C55°F
724
09:00
20°C69°F
1238
12:00
26°C78°F
1449
15:00
27°C80°F
1449
18:00
24°C75°F
1448
21:00
15°C59°F
936
05:3414.6h20:13
SundayNE 10 km/h3 m/s6 mph(gusts 30819)66%UV 314hSundayClear66%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
Clear
66%
NE 10 km/h3 m/s6 mph (gusts 30819)
UV 3
14h
Night12°C54°F
12°C54°FMorning11°C51°F
11°C51°FAfternoon27°C81°F
27°C81°FEvening16°C61°F
16°C61°F05:3514.6h20:12
MondayS 12 km/h3 m/s8 mph(gusts 30819)68%UV 311hMondayClear68%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
Clear
68%
S 12 km/h3 m/s8 mph (gusts 30819)
UV 3
11h
Night15°C59°F
15°C59°FMorning26°C78°F
26°C78°FAfternoon26°C78°F
26°C78°FEvening23°C74°F
23°C74°F05:3614.6h20:11
Tuesday4.7 mm0.18 inS 21 km/h6 m/s13 mph(gusts 471329)85%UV 28hTuesdayLight rain85%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
Light rain
85%
S 21 km/h6 m/s13 mph (gusts 471329)
4.7 mm0.18 in
UV 2
8h
Night19°C66°F
19°C66°FMorning24°C76°F
24°C76°FAfternoon24°C76°F
24°C76°FEvening21°C69°F
21°C69°F05:3714.5h20:10
Extended Forecast (GFS)WednesdaySW 22 km/h6 m/s14 mph(gusts 441228)81%15hWednesdayDrizzle81%SW 22 km/h6 m/s14 mph (gusts 441228)15h
Wednesday
SW 22 km/h6 m/s14 mph(gusts 441228)81%15h
Wednesday
Drizzle
81%
SW 22 km/h6 m/s14 mph (gusts 441228)
15h
Night21°C70°F
21°C70°FMorning27°C81°F
27°C81°FAfternoon27°C81°F
27°C81°FEvening20°C67°F
20°C67°F05:3814.5h20:09
ThursdayNW 21 km/h6 m/s13 mph(gusts 511432)54%15hThursdayClear54%NW 21 km/h6 m/s13 mph (gusts 511432)15h
Thursday
NW 21 km/h6 m/s13 mph(gusts 511432)54%15h
Thursday
Clear
54%
NW 21 km/h6 m/s13 mph (gusts 511432)
15h
Night18°C65°F
18°C65°FMorning26°C78°F
26°C78°FAfternoon26°C78°F
26°C78°FEvening21°C70°F
21°C70°F05:3914.5h20:08
FridaySE 16 km/h4 m/s10 mph(gusts 33921)61%14hFridayClear61%SE 16 km/h4 m/s10 mph (gusts 33921)14h
Friday
SE 16 km/h4 m/s10 mph(gusts 33921)61%14h
Friday
Clear
61%
SE 16 km/h4 m/s10 mph (gusts 33921)
14h
Night17°C62°F
17°C62°FMorning27°C80°F
27°C80°FAfternoon27°C80°F
27°C80°FEvening20°C68°F
20°C68°F05:4014.4h20:07
Saturday4.9 mm0.19 inS 20 km/h5 m/s12 mph(gusts 401125)96%9hSaturdayLight rain96%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
Light rain
96%
S 20 km/h5 m/s12 mph (gusts 401125)
4.9 mm0.19 in
9h
Night17°C62°F
17°C62°FMorning20°C67°F
20°C67°FAfternoon20°C67°F
20°C67°FEvening22°C71°F
22°C71°F05:4114.4h20:06
SundayW 20 km/h6 m/s13 mph(gusts 381124)72%14hSundayClear72%W 20 km/h6 m/s13 mph (gusts 381124)14h
Sunday
W 20 km/h6 m/s13 mph(gusts 381124)72%14h
Sunday
Clear
72%
W 20 km/h6 m/s13 mph (gusts 381124)
14h
Night16°C62°F
16°C62°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening19°C66°F
19°C66°F05:4214.4h20:04
MondayNW 13 km/h4 m/s8 mph(gusts 31919)60%14hMondayClear60%NW 13 km/h4 m/s8 mph (gusts 31919)14h
Monday
NW 13 km/h4 m/s8 mph(gusts 31919)60%14h
Monday
Clear
60%
NW 13 km/h4 m/s8 mph (gusts 31919)
14h
Night12°C53°F
12°C53°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening19°C65°F
19°C65°F05:4314.3h20:03
TuesdayE 16 km/h4 m/s10 mph66%14hTuesdayClear66%E 16 km/h4 m/s10 mph14h
Tuesday
E 16 km/h4 m/s10 mph66%14h
Tuesday
Clear
66%
E 16 km/h4 m/s10 mph
14h
Night14°C57°F
14°C57°FMorning26°C78°F
26°C78°FAfternoon26°C78°F
26°C78°FEvening18°C64°F
18°C64°F05:4414.3h20:02
WednesdayS 15 km/h4 m/s10 mph68%14hWednesdayClear68%S 15 km/h4 m/s10 mph14h
Wednesday
S 15 km/h4 m/s10 mph68%14h
Wednesday
Clear
68%
S 15 km/h4 m/s10 mph
14h
Night14°C57°F
14°C57°FMorning27°C81°F
27°C81°FAfternoon27°C81°F
27°C81°FEvening19°C66°F
19°C66°F05:4514.3h20:01
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.
Nearby places right now
Elmville20°
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Killingly Center20°
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Danielson20°
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Dayville20°
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Rogers20°
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East Brooklyn20°
Overcast
Attawaugan20°
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Ballouville20°
Overcast
South Killingly20°
Overcast
Pineville20°
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East Killingly20°
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Putnam Heights20°
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