Killingly — Weather
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24°C75°F· Overcast · 100% cloud cover
Feels like 23°C74°F · Low 21°C70°F · High 24°C75°F
Wind
21 km/h6 m/s13 mph from S
Humidity
72%
Pressure
1011 hPa29.86 inHgstable
UV Index
0.6Low
Fair weather
Killingly now: 24°C75°F and overcast.
⛈️ Wet period, moderate-intensity Tuesday–Wednesday, with rain and embedded thunderstorms. Total ~7.8 mm. Peak Tuesday (6.2 mm). Below the monthly normal (94 mm/month).
⚡ Active lightning nearby — 18 strikes within 50 km in the last 30 min (nearest 9 km).
🌧️ Rain expected from 17:00.
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
Now
24°C75°F
2113
72
16:00
24°C75°F
1912
76
17:00
22°C72°F
1.50.06
159
85
18:00
21°C71°F
2.70.11
159
91
19:00
21°C70°F
1.60.06
138
95
20:00
21°C70°F
0.40.01
117
99
21:00
22°C71°F
117
99
22:00
22°C72°F
117
98
23:00
22°C72°F
106
98
00:00
22°C72°F
106
98
01:00
23°C73°F
138
98
02:00
23°C73°F
138
97
03:00
23°C73°F
0.50.02
138
96
04:00
22°C72°F
0.90.04
127
96
05:00
22°C72°F
117
95
06:00
22°C71°F
85
96
07:00
22°C72°F
96
94
08:00
23°C73°F
106
92
09:00
24°C75°F
117
86
10:00
25°C77°F
117
79
11:00
26°C79°F
138
74
12:00
27°C80°F
1510
68
13:00
27°C81°F
1610
63
14:00
28°C82°F
1710
58
15:00
28°C83°F
1610
56
16:00
28°C82°F
1510
55
17:00
27°C81°F
159
55
18:00
27°C80°F
138
56
19:00
26°C79°F
117
55
20:00
24°C75°F
85
57
21:00
22°C72°F
53
60
22:00
21°C70°F
64
64
23:00
20°C67°F
85
65
00:00
19°C65°F
85
67
03:00
16°C61°F
85
71
06:00
14°C57°F
63
81
09:00
19°C66°F
96
63
12:00
23°C74°F
75
42
15:00
26°C79°F
64
31
18:00
25°C77°F
63
35
21:00
18°C65°F
42
70
00:00
15°C58°F
42
89
03:00
13°C56°F
42
92
mminkm/hm/smphHumidity %
Daily Forecast
Today6.2 mm0.24 in· heavyS 21 km/h6 m/s13 mph(gusts 541534)90%UV 10hTodayThunderstorm90%S 21 km/h6 m/s13 mph (gusts 541534)6.2 mm0.24 inUV 10h
Today
6.2 mm0.24 in· heavyS 21 km/h6 m/s13 mph(gusts 541534)90%UV 10h
Today
Thunderstorm
90%
S 21 km/h6 m/s13 mph (gusts 541534)
6.2 mm0.24 in
UV 1
0h
Today — Hourly Forecast
Now
24°C75°F
21613
16:00
24°C75°F
19512
17:00
22°C72°F
1549
18:00
21°C71°F
1549
19:00
21°C70°F
1348
20:00
21°C70°F
1137
21:00
22°C71°F
1137
22:00
22°C72°F
1137
23:00
22°C72°F
1036
05:3114.8h20:16
Tomorrow1.6 mm0.06 inSW 17 km/h5 m/s10 mph(gusts 411126)76%UV 13hTomorrowLight rain76%SW 17 km/h5 m/s10 mph (gusts 411126)1.6 mm0.06 inUV 13h
Tomorrow
1.6 mm0.06 inSW 17 km/h5 m/s10 mph(gusts 411126)76%UV 13h
Tomorrow
Light rain
76%
SW 17 km/h5 m/s10 mph (gusts 411126)
1.6 mm0.06 in
UV 1
3h
Tomorrow — Hourly Forecast
00:00
22°C72°F
1036
01:00
23°C73°F
1348
02:00
23°C73°F
1348
03:00
23°C73°F
1348
04:00
22°C72°F
1237
05:00
22°C72°F
1137
06:00
22°C71°F
825
07:00
22°C72°F
936
08:00
23°C73°F
1036
09:00
24°C75°F
1137
10:00
25°C77°F
1137
11:00
26°C79°F
1348
12:00
27°C80°F
15410
13:00
27°C81°F
16510
14:00
28°C82°F
17510
15:00
28°C83°F
16410
16:00
28°C82°F
15410
17:00
27°C81°F
1549
18:00
27°C80°F
1348
19:00
26°C79°F
1137
20:00
24°C75°F
825
21:00
22°C72°F
523
22:00
21°C70°F
624
23:00
20°C67°F
825
05:3214.7h20:15
ThursdayNW 9 km/h3 m/s6 mph(gusts 25716)58%UV 214hThursdayPartly cloudy58%NW 9 km/h3 m/s6 mph (gusts 25716)UV 214h
Thursday
NW 9 km/h3 m/s6 mph(gusts 25716)58%UV 214h
Thursday
Partly cloudy
58%
NW 9 km/h3 m/s6 mph (gusts 25716)
UV 2
14h
Thursday — Forecast Overview
00:00
19°C65°F
825
03:00
16°C61°F
825
06:00
14°C57°F
623
09:00
19°C66°F
936
12:00
23°C74°F
725
15:00
26°C79°F
624
18:00
25°C77°F
623
21:00
18°C65°F
412
05:3214.7h20:15
FridayE 16 km/h4 m/s10 mph65%UV 214hFridayClear65%E 16 km/h4 m/s10 mphUV 214h
Friday
E 16 km/h4 m/s10 mph65%UV 214h
Friday
Clear
65%
E 16 km/h4 m/s10 mph
UV 2
14h
Friday — Forecast Overview
00:00
15°C58°F
412
03:00
13°C56°F
412
06:00
12°C53°F
412
09:00
21°C70°F
412
12:00
26°C79°F
624
15:00
28°C83°F
725
18:00
23°C74°F
16410
21:00
15°C59°F
413
05:3314.7h20:14
SaturdayNE 15 km/h4 m/s9 mph(gusts 26716)60%UV 314hSaturdayClear60%NE 15 km/h4 m/s9 mph (gusts 26716)UV 314h
Saturday
NE 15 km/h4 m/s9 mph(gusts 26716)60%UV 314h
Saturday
Clear
60%
NE 15 km/h4 m/s9 mph (gusts 26716)
UV 3
14h
Saturday — Forecast Overview
00:00
14°C57°F
201
03:00
13°C56°F
624
06:00
13°C55°F
825
09:00
20°C69°F
1338
12:00
25°C78°F
1549
15:00
27°C80°F
1449
18:00
24°C76°F
1449
21:00
15°C60°F
936
05:3414.6h20:13
SundayN 7 km/h2 m/s4 mph(gusts 17511)68%UV 313hSundayClear68%N 7 km/h2 m/s4 mph (gusts 17511)UV 313h
Sunday
N 7 km/h2 m/s4 mph(gusts 17511)68%UV 313h
Sunday
Clear
68%
N 7 km/h2 m/s4 mph (gusts 17511)
UV 3
13h
Night11°C52°F
11°C52°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening22°C72°F
22°C72°F05:3514.6h20:12
MondayS 9 km/h3 m/s6 mph(gusts 26716)61%UV 37hMondayOvercast61%S 9 km/h3 m/s6 mph (gusts 26716)UV 37h
Monday
S 9 km/h3 m/s6 mph(gusts 26716)61%UV 37h
Monday
Overcast
61%
S 9 km/h3 m/s6 mph (gusts 26716)
UV 3
7h
Night16°C61°F
16°C61°FMorning26°C79°F
26°C79°FAfternoon26°C79°F
26°C79°FEvening22°C72°F
22°C72°F05:3614.6h20:11
TuesdaySW 14 km/h4 m/s9 mph(gusts 381124)65%UV 311hTuesdayPartly cloudy65%SW 14 km/h4 m/s9 mph (gusts 381124)UV 311h
Tuesday
SW 14 km/h4 m/s9 mph(gusts 381124)65%UV 311h
Tuesday
Partly cloudy
65%
SW 14 km/h4 m/s9 mph (gusts 381124)
UV 3
11h
Night19°C66°F
19°C66°FMorning28°C83°F
28°C83°FAfternoon28°C83°F
28°C83°FEvening26°C79°F
26°C79°F05:3714.5h20:10
Extended Forecast (GFS)WednesdayNW 15 km/h4 m/s9 mph(gusts 391124)52%15hWednesdayClear52%NW 15 km/h4 m/s9 mph (gusts 391124)15h
Wednesday
NW 15 km/h4 m/s9 mph(gusts 391124)52%15h
Wednesday
Clear
52%
NW 15 km/h4 m/s9 mph (gusts 391124)
15h
Night18°C64°F
18°C64°FMorning26°C78°F
26°C78°FAfternoon26°C78°F
26°C78°FEvening20°C68°F
20°C68°F05:3814.5h20:09
ThursdaySW 23 km/h6 m/s14 mph59%13hThursdayClear59%SW 23 km/h6 m/s14 mph13h
Thursday
SW 23 km/h6 m/s14 mph59%13h
Thursday
Clear
59%
SW 23 km/h6 m/s14 mph
13h
Night16°C61°F
16°C61°FMorning28°C82°F
28°C82°FAfternoon28°C82°F
28°C82°FEvening23°C74°F
23°C74°F05:3914.5h20:08
Friday7.0 mm0.27 in· heavySW 15 km/h4 m/s9 mph(gusts 391124)87%11hFridayDrizzle87%SW 15 km/h4 m/s9 mph (gusts 391124)7.0 mm0.27 in11h
Friday
7.0 mm0.27 in· heavySW 15 km/h4 m/s9 mph(gusts 391124)87%11h
Friday
Drizzle
87%
SW 15 km/h4 m/s9 mph (gusts 391124)
7.0 mm0.27 in
11h
Night20°C68°F
20°C68°FMorning21°C69°F
21°C69°FAfternoon21°C69°F
21°C69°FEvening21°C70°F
21°C70°F05:4014.4h20:07
SaturdayNE 12 km/h3 m/s7 mph(gusts 28817)66%14hSaturdayClear66%NE 12 km/h3 m/s7 mph (gusts 28817)14h
Saturday
NE 12 km/h3 m/s7 mph(gusts 28817)66%14h
Saturday
Clear
66%
NE 12 km/h3 m/s7 mph (gusts 28817)
14h
Night17°C62°F
17°C62°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening19°C66°F
19°C66°F05:4114.4h20:06
Sunday1.5 mm0.06 inS 11 km/h3 m/s7 mph(gusts 23715)77%14hSundayLight rain77%S 11 km/h3 m/s7 mph (gusts 23715)1.5 mm0.06 in14h
Sunday
1.5 mm0.06 inS 11 km/h3 m/s7 mph(gusts 23715)77%14h
Sunday
Light rain
77%
S 11 km/h3 m/s7 mph (gusts 23715)
1.5 mm0.06 in
14h
Night15°C58°F
15°C58°FMorning26°C78°F
26°C78°FAfternoon26°C78°F
26°C78°FEvening18°C65°F
18°C65°F05:4214.4h20:04
Monday1.2 mm0.05 inE 18 km/h5 m/s11 mph(gusts 32920)74%14hMondayLight rain74%E 18 km/h5 m/s11 mph (gusts 32920)1.2 mm0.05 in14h
Monday
1.2 mm0.05 inE 18 km/h5 m/s11 mph(gusts 32920)74%14h
Monday
Light rain
74%
E 18 km/h5 m/s11 mph (gusts 32920)
1.2 mm0.05 in
14h
Night15°C59°F
15°C59°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening18°C64°F
18°C64°F05:4314.3h20:03
Tuesday3.8 mm0.15 inE 16 km/h4 m/s10 mph(gusts 29818)68%13hTuesdayRain68%E 16 km/h4 m/s10 mph (gusts 29818)3.8 mm0.15 in13h
Tuesday
3.8 mm0.15 inE 16 km/h4 m/s10 mph(gusts 29818)68%13h
Tuesday
Rain
68%
E 16 km/h4 m/s10 mph (gusts 29818)
3.8 mm0.15 in
13h
Night17°C63°F
17°C63°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
-3.3°C-5.9°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 24°C with Overcast. The high is 24°C and the low is 21°C.
What is the 16-day forecast for Killingly?
The 16-day forecast for Killingly shows the warmest day is Tuesday at 31°C, while the coolest night is Sunday at 11°C. 6 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, 03:00 PM
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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