Currently: 74 °F. Mostly cloudy. (Weather station: New Castle County Airport, USA). See more current weatherCity of New Castle Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
66
69
72
75
78
81
84
87
90
93
Jul 6 – Jul 12
1.09
Lo:72
Thu, 10
Hi:82
4
0.08
Lo:72
Fri, 11
Hi:86
5
0.09
Lo:71
Sat, 12
Hi:88
5
Jul 13 – Jul 19
0.02
Lo:67
Sun, 13
Hi:87
6
0.25
Lo:68
Mon, 14
Hi:84
7
0.11
Lo:69
Tue, 15
Hi:89
5
Lo:72
Wed, 16
Hi:92
6
0.2
Lo:74
Thu, 17
Hi:90
8
0.11
Lo:73
Fri, 18
Hi:85
10
Lo:69
Sat, 19
Hi:85
8
Jul 20 – Jul 26
Lo:69
Sun, 20
Hi:86
6
Lo:71
Mon, 21
Hi:89
10
0.01
Lo:71
Tue, 22
Hi:89
9
0.02
Lo:71
Wed, 23
Hi:89
12
Lo:72
Thu, 24
Hi:88
9
Thu, Jul 10
82 / 72 °F
Thundershowers. Overcast.
Feels Like: 85 °F
Humidity: 76%
Precipitation: Rain: 1.09 Snow: 0
Precipitation Chance: 99%
SSW
Wind: 4 mph
2 Week Extended Forecast in City of New Castle, Delaware, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu Jul 10 |  | 82 / 72 °F | Thundershowers. Overcast. | 85 °F | 4 mph | ↑ | 76% | 99% | 1.09" | 3 (Moderate) | 5:43 am | 8:31 pm |
| Fri Jul 11 | | 86 / 72 °F | Thundershowers. Breaks of sun late. | 91 °F | 5 mph | ↑ | 67% | 43% | 0.08" | 5 (Moderate) | 5:44 am | 8:30 pm |
| Sat Jul 12 | | 88 / 71 °F | Thundershowers. Mostly cloudy. | 93 °F | 5 mph | ↑ | 62% | 39% | 0.09" | 3 (Moderate) | 5:45 am | 8:30 pm |
| Sun Jul 13 |  | 87 / 67 °F | Isolated tstorms late. Broken clouds. | 89 °F | 6 mph | ↑ | 57% | 19% | 0.02" | 3 (Moderate) | 5:45 am | 8:30 pm |
| Mon Jul 14 | | 84 / 68 °F | Tstorms late. Cloudy. | 86 °F | 7 mph | ↑ | 69% | 54% | 0.25" | 3 (Moderate) | 5:46 am | 8:29 pm |
| Tue Jul 15 |  | 89 / 69 °F | Showers early. Partly cloudy. | 93 °F | 5 mph | ↑ | 56% | 42% | 0.11" | 7 (High) | 5:47 am | 8:28 pm |
| Wed Jul 16 | | 92 / 72 °F | Isolated tstorms late. Mostly cloudy. | 99 °F | 6 mph | ↑ | 53% | 6% | 0.00" | 5 (Moderate) | 5:48 am | 8:28 pm |
| Thu Jul 17 | | 90 / 74 °F | Tstorms late. Mostly cloudy. | 95 °F | 8 mph | ↑ | 51% | 91% | 0.20" | 5 (Moderate) | 5:48 am | 8:27 pm |
| Fri Jul 18 |  | 85 / 73 °F | Cloudy. | 87 °F | 10 mph | ↑ | 52% | 81% | 0.11" | 3 (Moderate) | 5:49 am | 8:27 pm |
| Sat Jul 19 |  | 85 / 69 °F | Mostly cloudy. | 84 °F | 8 mph | ↑ | 36% | 5% | 0.00" | 3 (Moderate) | 5:50 am | 8:26 pm |
| Sun Jul 20 |  | 86 / 69 °F | Sunny. | 84 °F | 6 mph | ↑ | 33% | 4% | 0.00" | 7 (High) | 5:51 am | 8:25 pm |
| Mon Jul 21 | | 89 / 71 °F | Overcast. | 95 °F | 10 mph | ↑ | 54% | 5% | 0.00" | 3 (Moderate) | 5:52 am | 8:24 pm |
| Tue Jul 22 | | 89 / 71 °F | Isolated tstorms late. Broken clouds. | 91 °F | 9 mph | ↑ | 47% | 46% | 0.01" | 7 (High) | 5:52 am | 8:24 pm |
| Wed Jul 23 | | 89 / 71 °F | Broken clouds. | 91 °F | 12 mph | ↑ | 46% | 40% | 0.02" | 5 (Moderate) | 5:53 am | 8:23 pm |
| Thu Jul 24 |  | 88 / 72 °F | Afternoon clouds. | 95 °F | 9 mph | ↑ | 57% | 8% | 0.00" | 5 (Moderate) | 5:54 am | 8:22 pm |
| * Updated Wednesday, July 9, 2025 11:24:17 pm City of New Castle time - Weather by CustomWeather, © 2025 | ||||||||||||