Weather forecast for 10 daysNew Castle, NH
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSW 205°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:00 am EDT
- Sunset: 5:55 pm EDT
- details ▼
On Sunday, in New Castle, sunny and dry conditions are anticipated.
Forecasted temperatures will peak at a mild 55.4°F and dip to a minimum of a cold 37.4°F.
Today's highest temperature is predicted to match the regular high for October at 57.9°F.
Sunrise was at 7:00 am and sunset will be at 5:55 pm; the daylight will last for 10h and 55min.
Forecasted temperatures will peak at a mild 55.4°F and dip to a minimum of a cold 37.4°F.
Today's highest temperature is predicted to match the regular high for October at 57.9°F.
Sunrise was at 7:00 am and sunset will be at 5:55 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: Tuesday 64°C.
Minimum temperature: 55°C.
Minimum temperature: 55°C.
Chance of precipitation
Highest chance: Thursday 19%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSW 205°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:00 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 43°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphSE 141°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:01 am EDT
- Sunset: 5:54 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphNNE 23°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:02 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphNE 39°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:04 am EDT
- Sunset: 5:50 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 41°F
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 8mphN 5°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:05 am EDT
- Sunset: 5:49 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 37°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphN 6°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:06 am EDT
- Sunset: 5:47 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNNE 15°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:07 am EDT
- Sunset: 5:46 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphW 272°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:08 am EDT
- Sunset: 5:44 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 43°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphWNW 294°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:10 am EDT
- Sunset: 5:43 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphNNW 340°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:11 am EDT
- Sunset: 5:41 pm EDT
- details ▼
Over the next ten days, primarily mostly clear and occasionally overcast weather is expected.
Rain is not forecasted in New Castle in the upcoming period.
In the upcoming days, the maximum temperature will range between 55.4°F and 64.4°F, while the low temperature range extends from 35.6°F to 42.8°F.
Tuesday is expected to be the warmest, reaching up to 64.4°F; Sunday, Wednesday, Friday and Saturday, with the highest temperature of 55.4°F, will be the coldest days.
Rain is not forecasted in New Castle in the upcoming period.
In the upcoming days, the maximum temperature will range between 55.4°F and 64.4°F, while the low temperature range extends from 35.6°F to 42.8°F.
Tuesday is expected to be the warmest, reaching up to 64.4°F; Sunday, Wednesday, Friday and Saturday, with the highest temperature of 55.4°F, will be the coldest days.
Updated: Oct 18, 2026 @ 13:02:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in New Castle, skies are expected to be clear and full of sunshine.
Today, the highest temperature will be 55.4°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 47.1°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be notably lower than the average low of 47.1°F.
On Sunday, in New Castle, sunrise was at 7:00 am and sunset will be at 5:55 pm (EDT).
In New Castle, the length of the day today will be 10h and 55min.
