Weather in Portsmouth: October
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Average day temperature: | 59.8°F |
| Average night temperature: | 50.1°F | |
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Sea water temperature: | 57.2°F |
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Number of sunny days: | 11 days |
| Day length: | 10.3 - 11.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.5 in. | |
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forecast
| Portsmouth |
temperature
| Portsmouth |
Air temperature in October, °F
The highest day temperature during October of 2023 was 77°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during October were 60.7°F and 50.9°F.
Sea water temperature in Portsmouth in October, °F
The average sea water temperature in October of 2023 was 57.5°F. The highest and lowest sea temperatures during the month were 62.1°F and 54.0°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Portsmouth in October is 1.5 in. Other months of the year show relatively similar values.
The average wind speed value in October is 7.6 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: 6.0.
Best time for vacation in Portsmouth
Portsmouth on a weather map
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