Today
Clear throughout the day, high +55°, low +54°. Wind gusts reach 7 mph. No rain expected.
Weather in New Castle
United States · Delaware · 39.6595, -75.5636
Today Now 9:34 PM
+55° Clear
Hourly forecast
Today10/20
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear, high +63°, low +48° — 7° warmer than today.
Week
This week temperatures range from +41° to +68°. Peak warmth: Tue, +68°. Nighttime weekly low: +41° (Sat). No rain in the forecast. Clear days — 7.
Week vs norm
- Today 10/20 +55° −9° usually +65°
- Tomorrow 10/21 +63° −2° usually +64°
- Thu 10/22 +66° +2° usually +64°
- Fri 10/23 +59° −5° usually +64°
- Sat 10/24 +61° −2° usually +63°
- Sun 10/25 +61° −2° usually +63°
- Mon 10/26 +66° +4° usually +63°
- Tue 10/27 +68° +6° usually +62°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 20
Today is cooler than usual for this date.
- Heat record +79° 2016
- Cold record +31° 1992
- Most precipitation 0.6 in 1993
- Strongest gust 45 mph 2006
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in New Castle
Today is about 11° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +40° / +28° | +33° | 3.3 |
| Feb | +43° / +29° | +35° | 3.1 |
| Mar | +52° / +36° | +43° | 4.2 |
| Apr | +64° / +46° | +54° | 3.8 |
| May | +73° / +55° | +63° | 3.7 |
| Jun | +81° / +65° | +72° | 4.1 |
| Jul | +86° / +70° | +77° | 4.3 |
| Aug | +84° / +69° | +75° | 4.0 |
| Sep | +78° / +62° | +69° | 4.3 |
| Oct | +67° / +51° | +58° | 3.6 |
| Nov | +55° / +40° | +47° | 2.9 |
| Dec | +45° / +32° | +38° | 4.0 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:17 AM | 6:15 PM
Moon
3:31 PM | 1:12 AM
Moon phase
Waxing gibbous 69%
Next solar eclipse
Calculating for this city…