Weather in New Castle: October
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Average day temperature: | 65.8°F |
| Average night temperature: | 54.0°F | |
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Sea water temperature: | 65.2°F |
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Number of sunny days: | 16 days |
| Day length: | 10.5 - 11.8 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
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forecast
| New Castle |
temperature
| New Castle |
Air temperature in October, °F
The highest day temperature during October of 2025 was 81°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during October were 65.4°F and 50.8°F.
Sea water temperature in New Castle in October, °F
The average sea water temperature in October of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 72.9°F and 58.3°F.
Mostly all days in October are sunny but cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in New Castle in October is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in October is 7.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 7.3.
Best time for vacation in New Castle
New Castle on a weather map
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