New Castle Hourly Weather Forecast
Next 48 Hours
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Skies will shift from Overcast conditions to Clear conditions as the day goes on. Temps range from 68° to 74°. Light winds, shifting from NNW to N at 6.5 mph, as humidity ranges 61% to 71%, and an avg barometric pressure of 30.07 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
4 PM
74°F
73°F
64%
8.3 NNW
30.06
61°F
3.1
15%
5 PM
74°F
74°F
64%
6.7 NNW
30.05
61°F
1.4
15%
6 PM
74°F
75°F
65%
4.5 NNW
30.05
61°F
0.4
8%
7 PM
72°F
74°F
68%
3.6 NW
30.05
61°F
0
5%
8 PM
71°F
72°F
71%
4.9 NNW
30.07
61°F
0
6%
9 PM
71°F
69°F
62%
7.8 N
30.1
57°F
0
5%
10 PM
70°F
68°F
61%
7.2 N
30.1
56°F
0
4%
11 PM
68°F
65°F
66%
8.7 N
30.1
56°F
0
7%
Sat, Sep 19th 2026
Sunny skies giving way to Clear conditions by evening. Warming trend from 60°F to 76°. Breezy wind, shifting from NNE to E at 7.5 mph, as humidity fluctuates between 40% to 80%, and an avg barometric pressure of 30.13 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
67°F
63°F
64%
9.4 NNE
30.1
54°F
0
15%
1 AM
66°F
62°F
62%
8.5 NNE
30.09
53°F
0
15%
2 AM
65°F
61°F
61%
8.7 NNE
30.1
51°F
0
12%
3 AM
64°F
60°F
62%
7.6 NNE
30.1
51°F
0
5%
4 AM
63°F
58°F
63%
8.1 NNE
30.11
50°F
0
5%
5 AM
62°F
58°F
62%
7.4 NNE
30.12
49°F
0
4%
6 AM
61°F
56°F
59%
7.4 NNE
30.12
47°F
0
4%
7 AM
60°F
55°F
56%
7.8 NNE
30.14
45°F
0
3%
8 AM
61°F
55°F
56%
8.3 NNE
30.16
45°F
0.3
3%
9 AM
64°F
58°F
50%
9.4 NE
30.16
45°F
1.1
3%
10 AM
67°F
61°F
45%
9.2 ENE
30.18
45°F
1.8
3%
11 AM
70°F
64°F
42%
8.9 ENE
30.18
46°F
3.6
2%
12 PM
71°F
66°F
41%
7.4 ENE
30.17
47°F
6.4
1%
1 PM
74°F
70°F
41%
5.6 ENE
30.15
48°F
7
1%
2 PM
75°F
72°F
40%
4.9 ENE
30.13
50°F
6.5
1%
3 PM
76°F
74°F
41%
4.3 E
30.11
51°F
4.8
2%
4 PM
76°F
74°F
42%
4.3 E
30.1
51°F
1.9
10%
5 PM
75°F
73°F
46%
5.4 ESE
30.1
53°F
0.8
7%
6 PM
71°F
67°F
60%
10.3 SE
30.11
56°F
0.3
7%
7 PM
67°F
63°F
68%
9.8 SE
30.13
56°F
0
6%
8 PM
64°F
62°F
73%
8.1 ESE
30.15
56°F
0
7%
9 PM
63°F
61°F
78%
6.5 ESE
30.17
56°F
0
11%
10 PM
62°F
60°F
79%
6.3 ESE
30.17
56°F
0
10%
11 PM
62°F
60°F
80%
5.6 E
30.16
56°F
0
13%
Sun, Sep 20th 2026
Starting off Overcast conditions, turning partly cloudy later in the day. Temps range from 61° to 74°. Breezy wind, shifting from E to S at 8 mph, with humidity levels between 72% to 88%, and an avg barometric pressure of 30.08 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
62°F
60°F
81%
6.3 E
30.14
56°F
0
12%
1 AM
61°F
60°F
83%
6.5 E
30.14
56°F
0
14%
2 AM
61°F
60°F
85%
6 ESE
30.13
57°F
0
20%
3 AM
62°F
60°F
85%
6.7 ESE
30.12
57°F
0
20%
4 AM
61°F
60°F
87%
6 E
30.11
57°F
0
13%
5 AM
61°F
60°F
88%
5.4 E
30.11
57°F
0
28%
6 AM
62°F
61°F
84%
5.8 E
30.11
57°F
0
24%
7 AM
62°F
61°F
82%
6.5 E
30.11
57°F
0
24%
8 AM
63°F
61°F
81%
7.2 ESE
30.1
57°F
0.1
24%
9 AM
65°F
63°F
80%
7.6 ESE
30.09
58°F
0.2
22%
10 AM
67°F
65°F
77%
9.4 SE
30.08
60°F
0.8
22%
11 AM
70°F
68°F
74%
9.2 SSE
30.06
61°F
1.1
19%
12 PM
71°F
69°F
73%
10.5 S
30.04
62°F
1
20%
1 PM
71°F
70°F
75%
10.5 S
30.02
63°F
5.3
20%
2 PM
72°F
70°F
74%
11.4 S
30
63°F
4.2
20%
3 PM
74°F
72°F
72%
12.3 S
29.97
64°F
3.2
19%
This hour by hour weather report is relevant for ZIP codes 19720 and 19721, accurately covering areas of New Castle, DE.
Currently
|
75°F |
30.06 inHg.
Barometer 64%
Humidity N 9.6mph Wind |
| Overcast | ||
National Outlook
Heavy Rain in North-Central U.S. & Scorching Heat in South-Central U.S. - 09-18 to 09-20
Fri Sep 18th 2026, 5:45am PDT
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