Weather forecast for tomorrowAlton, NH

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 63°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphSSW 199°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:04 am EDT
  • Sunset: 5:55 pm EDT
  • ▼
Tomorrow, blue skies and warm sunshine will define the conditions.
The highest temperature will be a breezy 62.6°F, while the lowest temperature will be a cold 39.2°F.
The expected high will be a couple of degrees higher than October's standard temperature of 55.9°F.
Sunrise will be at 7:04 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 9 pm 7%.

Hourly weather forecast

  • 12 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSW 196°
  • Humidity: 80%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSSW 202°
  • Humidity: 83%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSSW 209°
  • Humidity: 84%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphSW 226°
  • Humidity: 84%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:04 am
  • 8 am
  • 37°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphWSW 245°
  • Humidity: 85%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphSW 229°
  • Humidity: 63%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 202°
  • Humidity: 48%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 175°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSE 159°
  • Humidity: 46%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:55 pm
  • 6 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 150°
  • Humidity: 61%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSE 159°
  • Humidity: 83%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 0mphNW 320°
  • Humidity: 93%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of sun-filled and cloudy weather is predicted.
The temperature will be between a minimum of 33.8°F and a maximum of 60.8°F. The warmest part of the day will be at 2 pm and 3 pm.
The forecasted high will be a couple of degrees higher than the typical October maximum of 55.9°F. The lowest temperature is also resembling October's typical minimum of 40.8°F.
Updated: Oct 18, 2026 @ 12:08:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Alton, open skies and radiant sunshine are expected.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The highest temperature will be slightly warmer than the average maximum of 55.9°F in October. The lowest temperature will be in line with the average low of 40.8°F.

On Monday, in Alton, sunrise will be at 7:04 am and sunset at 5:55 pm (EDT).

In Alton, New Hampshire, the length of the day tomorrow will be 10h and 52min.