Duncan — Weather

Partly cloudy
24°C 75°F · Partly cloudy · 52% cloud cover
Feels like 25°C78°F · Low 21°C70°F · High 31°C88°F
Wind
11 km/h7 mph from SE
Humidity
76%
Pressure
1017 hPa30.04 inHg stable
UV Index
0.0 Low(night)

⚠️ Severe storm — heat + rain

It's 24°C and partly cloudy in Duncan at the moment.

⛈️ Wet period, moderate-intensity Saturday–Sunday, with rain and embedded thunderstorms. Total ~18.3 mm. Peak Sunday (10.8 mm). Below the monthly normal (103 mm/month).

🔥 Expect 31°C — 6.2°C markedly warmer than the June seasonal mean (25°C).

⛈️ Afternoon thunderstorms likely 12:00–15:00.

Hourly forecast

Detailed forecast for the next 60 hours

15°C 59°F 20°C 68°F 25°C 77°F 30°C 86°F 35°C 95°F 0mm 0.00in 0.5mm 0.02in 1mm 0.04in 1.5mm 0.06in 2mm 0.08in 2.5mm 0.10in 00:0006:0012:0018:0000:0006:0012:0018:0000:0006:0012:00
Temperature Precipitation Wind
Now
Partly cloudy
24°C 75°F
11 7
76
01:00
Overcast
24°C 74°F
11 7
77
02:00
Overcast
23°C 73°F
11 7
81
03:00
Overcast
23°C 73°F
11 7
83
04:00
Partly cloudy
22°C 72°F
10 6
87
05:00
Partly cloudy
22°C 71°F
9 6
91
06:00
Partly cloudy
21°C 70°F
11 7
94
07:00
Partly cloudy
22°C 71°F
12 7
94
08:00
Partly cloudy
23°C 73°F
13 8
90
09:00
Partly cloudy
24°C 75°F
17 11
82
10:00
Partly cloudy
25°C 77°F
18 11
75
11:00
Partly cloudy
27°C 80°F
18 11
67
12:00
Partly cloudy
28°C 82°F
17 10
60
13:00
Partly cloudy
30°C 85°F
17 10
53
14:00
Clear
31°C 87°F
18 11
48
15:00
Drizzle
31°C 88°F
18 11
47
16:00
Partly cloudy
31°C 88°F
19 12
45
17:00
Partly cloudy
31°C 87°F
20 12
47
18:00
Clear
30°C 86°F
20 13
51
19:00
Drizzle
29°C 83°F
19 12
55
20:00
Overcast
28°C 82°F
19 12
58
21:00
Clear
26°C 79°F
18 11
70
22:00
Clear
25°C 76°F
17 10
80
23:00
Partly cloudy
24°C 75°F
17 10
83
00:00
Partly cloudy
23°C 74°F
17 10
87
01:00
Partly cloudy
23°C 73°F
14 9
90
02:00
Partly cloudy
22°C 72°F
14 8
92
03:00
Partly cloudy
22°C 72°F
13 8
93
04:00
Overcast
22°C 72°F
14 9
94
05:00
Partly cloudy
22°C 72°F
14 9
94
06:00
Partly cloudy
22°C 72°F
14 9
94
07:00
Overcast
22°C 72°F
15 9
93
08:00
Overcast
23°C 73°F
19 12
89
09:00
Overcast
24°C 76°F
21 13
82
10:00
Overcast
25°C 78°F
19 12
76
11:00
Drizzle
27°C 80°F
19 12
70
12:00
Drizzle
28°C 83°F
17 11
64
13:00
Drizzle
29°C 84°F
17 10
59
14:00
Overcast
29°C 85°F
20 13
58
15:00
Drizzle
29°C 85°F
20 12
61
16:00
Light rain
28°C 82°F
0.3 0.01
20 13
70
17:00
Light rain
27°C 81°F
18 11
70
18:00
Overcast
27°C 81°F
19 12
68
19:00
Overcast
27°C 80°F
20 12
70
20:00
Overcast
26°C 78°F
16 10
74
21:00
Overcast
25°C 77°F
12 8
78
22:00
Overcast
24°C 76°F
13 8
82
23:00
Overcast
24°C 75°F
13 8
85
00:00
Overcast
23°C 74°F
12 7
89
03:00
Overcast
23°C 73°F
8 5
94
06:00
Overcast
22°C 72°F
8 5
96
09:00
Light rain
23°C 74°F
0.4 0.02
13 8
89
12:00
Thunderstorm
25°C 77°F
2.2 0.09
14 9
84
mmin km/hmph Humidity %

Daily Forecast

Drizzle
Today
· Drizzle
SE 20 km/h 13 mph (3522) 71% UV 2
21°C 70°F
31°C 88°F
Today
Drizzle
Drizzle
71%
SE 20 km/h 13 mph
21°C 70°F
31°C 88°F
Light rain
Tomorrow
· Light rain
S 21 km/h 13 mph (3623) 79% UV 2
22°C 72°F
29°C 85°F
Tomorrow
Light rain
Light rain
79%
S 21 km/h 13 mph
22°C 72°F
29°C 85°F
Thunderstorm
Saturday
· Thunderstorm
7.5 mm 0.30 in · heavy SE 15 km/h 10 mph (2817) 88% UV 1
22°C 72°F
26°C 79°F
Saturday
Thunderstorm
Thunderstorm
88%
SE 15 km/h 10 mph
7.5 mm 0.30 in
22°C 72°F
26°C 79°F
Light rain
Sunday
· Light rain
10.8 mm 0.43 in · heavy S 31 km/h 19 mph (6238) 79% UV 1
21°C 69°F
33°C 91°F
Sunday
Light rain
Light rain
79%
S 31 km/h 19 mph
10.8 mm 0.43 in
21°C 69°F
33°C 91°F
Clear
Monday
· Clear
S 33 km/h 21 mph (6037) 73% UV 1
23°C 74°F
35°C 94°F
Monday
Clear
Clear
73%
S 33 km/h 21 mph
23°C 74°F
35°C 94°F
Partly cloudy
Tuesday
· Partly cloudy
S 26 km/h 16 mph (4528) 66% UV 2
24°C 75°F
34°C 94°F
Tuesday
Partly cloudy
Partly cloudy
66%
S 26 km/h 16 mph
24°C 75°F
34°C 94°F
Overcast
Wednesday
· Overcast
S 28 km/h 17 mph (4830) 61% UV 2
24°C 76°F
34°C 92°F
Wednesday
Overcast
Overcast
61%
S 28 km/h 17 mph
24°C 76°F
34°C 92°F
Clear
Thursday
· Clear
S 27 km/h 17 mph (4327) 55% UV 2
26°C 78°F
36°C 97°F
Thursday
Clear
Clear
55%
S 27 km/h 17 mph
26°C 78°F
36°C 97°F
Clear
Friday
· Clear
S 28 km/h 17 mph (4729) 46%
24°C 75°F
38°C 100°F
Friday
Clear
Clear
46%
S 28 km/h 17 mph
24°C 75°F
38°C 100°F
Drizzle
Saturday
· Drizzle
S 24 km/h 15 mph (4830) 44%
24°C 75°F
39°C 102°F
Saturday
Drizzle
Drizzle
44%
S 24 km/h 15 mph
24°C 75°F
39°C 102°F
Clear
Sunday
· Clear
1.8 mm 0.07 in S 30 km/h 18 mph 46%
24°C 75°F
40°C 103°F
Sunday
Clear
Clear
46%
S 30 km/h 18 mph
1.8 mm 0.07 in
24°C 75°F
40°C 103°F
Drizzle
Monday
· Drizzle
2.4 mm 0.09 in N 19 km/h 12 mph (3119) 64%
22°C 71°F
34°C 93°F
Monday
Drizzle
Drizzle
64%
N 19 km/h 12 mph
2.4 mm 0.09 in
22°C 71°F
34°C 93°F
Heavy rain
Tuesday
· Heavy rain
29.5 mm 1.16 in · heavy SW 24 km/h 15 mph 71%
22°C 71°F
32°C 89°F
Tuesday
Heavy rain
Heavy rain
71%
SW 24 km/h 15 mph
29.5 mm 1.16 in
22°C 71°F
32°C 89°F
Clear
Wednesday
· Clear
0.8 mm 0.03 in S 33 km/h 20 mph 57%
23°C 73°F
36°C 97°F
Wednesday
Clear
Clear
57%
S 33 km/h 20 mph
0.8 mm 0.03 in
23°C 73°F
36°C 97°F
Light rain
Thursday
· Light rain
0.6 mm 0.02 in S 34 km/h 21 mph (6238) 53%
25°C 77°F
41°C 107°F
Thursday
Light rain
Light rain
53%
S 34 km/h 21 mph
0.6 mm 0.02 in
25°C 77°F
41°C 107°F
Clear
Friday
· Clear
SE 31 km/h 19 mph (5534) 55%
28°C 82°F
38°C 100°F
Friday
Clear
Clear
55%
SE 31 km/h 19 mph
28°C 82°F
38°C 100°F
Sunrise
06:19 AM
Civil Dawn 05:49 AM
Sunset
08:40 PM
Civil Dusk 09:10 PM
Today vs. seasonal normal
+0.1°C+0.2°F
High 31.2°C88°F · Low 19.0°C66°F · Normal for this month

Duncan is located in Oklahoma, United States. Elevation: 342m. Annual average temperature: 16°C. Annual precipitation: 847mm.

Frequently Asked Questions

What is the weather like in Duncan today?

Today in Duncan, United States, the temperature is 24°C with Partly cloudy. The high is 31°C and the low is 21°C.

What is the 16-day forecast for Duncan?

The 16-day forecast for Duncan shows the warmest day is Thursday at 41°C, while the coolest night is Sunday at 21°C. 7 day(s) have precipitation expected.

What time is sunrise and sunset in Duncan?

In Duncan, sunrise is at 01:19 PM and sunset is at 03:40 AM. Day length is approximately 14h 21m.

How accurate is the weather forecast for Duncan?

Our forecasts for Duncan 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. Duncan has an annual average temperature of 16°C and receives 847mm of precipitation per year.

Last updated: 06/04/2026, 12:00 AM

June climate in Duncan

Normals for June: average 25°C (19–31°C), around 103 mm of rain across the month. About 9°C warmer than the annual average of 16°C.

Nearby places right now

Weather in United States

More places in Oklahoma

More places in Oklahoma