Weather forecast for tomorrowAltamont, SD

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphENE 74°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:47 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
On Monday, in Altamont, the outlook remains bright and sunny.
Predicted temperatures will peak at a breezy 64.4°F and dip to a minimum of a brisk 42.8°F.
The forecasted temperature is a couple of degrees higher than October's regular maximum of 56.3°F.
Sunrise will be at 7:47 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 47min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 3%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 5°
  • Humidity: 67%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNNE 12°
  • Humidity: 72%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNE 19°
  • Humidity: 75%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNNE 24°
  • Humidity: 81%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:47 am
  • 8 am
  • 41°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNNE 33°
  • Humidity: 83%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphENE 58°
  • Humidity: 68%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphENE 77°
  • Humidity: 52%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 90°
  • Humidity: 44%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphESE 102°
  • Humidity: 42%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphE 96°
  • Humidity: 47%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 112°
  • Humidity: 62%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSE 139°
  • Humidity: 72%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily mostly clear and occasionally cloud-filled weather is forecasted.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature will be slightly warmer than October's average maximum of 56.3°F. The expected low will be also close to the average minimum in October, which is 41°F.
Updated: Oct 18, 2026 @ 11:10:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Altamont, conditions remain stable and sunny, with little cloud presence.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 42.8°F.
The highest temperature will be a couple of degrees higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 41°F.

On Monday, in Altamont, sunrise will be at 7:47 am and sunset at 6:35 pm (CDT).

Tomorrow, the daylight will last for 10h and 47min.