Weather forecast for todayAlton Bay, NH

Weather forecast for today

Current condition 12:33 am EDT

  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphW 270°
  • Humidity: 69%
  • Dewpoint: 25°F
  • Pressure: 30.41"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, the sky is a wide-open expanse of clear blue.
The temperature is an icy 33.8°F, and the felt air temperature is calculated to be a harsh 30.2°F. The current temperature is near the lowest predicted 32°F for today.

Sunday Oct 18, 2026

  • 55°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWSW 242°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:02 am EDT
  • Sunset: 5:57 pm EDT
  • ▼
On Sunday, in Alton Bay, skies are expected to be clear and full of sunshine.
The anticipated temperature range extends from a high of a mild 55.4°F to a low of an icy 32°F.
October's usual high of 55.9°F is forecasted to be matched by the day’s maximum temperature.
Sunrise will be at 7:02 am and sunset at 5:57 pm; the daylight will last for 10h and 54min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 54°C.
Coldest period: 4 am - 7 am 30°C.

Chance of precipitation

Highest chance: 10 pm 3%.

Hourly weather forecast

  • 2 am
  • 32°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 296°
  • Humidity: 72%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphWNW 289°
  • Humidity: 74%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 30°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphW 276°
  • Humidity: 73%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:02 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphW 270°
  • Humidity: 74%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphW 259°
  • Humidity: 54%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 251°
  • Humidity: 41%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 240°
  • Humidity: 38%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 217°
  • Humidity: 40%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:57 pm
  • 6 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 190°
  • Humidity: 54%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphS 188°
  • Humidity: 69%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSW 198°
  • Humidity: 75%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, bright skies and dry conditions are anticipated.
The temperature will vary between the lowest temperature of 30.2°F and the highest temperature of 53.6°F. The warmest part of the day will be from 2 pm to 5 pm.
Today, the temperature is forecasted to be alike with the usual maximum for October. The minimum temperature today will be more alike with November's average low of 30°F than October's average of 40.8°F.
Updated: Oct 18, 2026 @ 04:33:26 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 12:33 am EDT, the temperature is 33.8°F.

On Sunday, sunny skies are in store, with excellent visibility.

Today, the highest temperature will be 55.4°F, while the lowest temperature will be 32°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be relatively lower than the average low temperature.

On Sunday, in Alton Bay, sunrise will be at 7:02 am and sunset at 5:57 pm (EDT).

Today in Alton Bay, the daylight will last for 10h and 54min.