Weather forecast for tomorrowArmour, SD

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphE 95°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:52 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
On Monday, in Armour, moderate cloud cover will mix with sunshine throughout the day.
The highest temperature will be an enjoyable 66.2°F, while the lowest expected temperature is a brisk 42.8°F.
The high temperature will be slightly warmer than the typical October level of 59.7°F.
Sunrise will be at 7:52 am and sunset at 6:44 pm; tomorrow's daylight will last for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphENE 71°
  • Humidity: 75%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphENE 73°
  • Humidity: 85%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphENE 59°
  • Humidity: 91%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphNE 48°
  • Humidity: 93%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:52 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphENE 59°
  • Humidity: 95%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphE 81°
  • Humidity: 76%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphE 98°
  • Humidity: 56%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 105°
  • Humidity: 44%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphESE 122°
  • Humidity: 42%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphESE 118°
  • Humidity: 49%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:44 pm
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphESE 109°
  • Humidity: 63%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSE 129°
  • Humidity: 74%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of clear and overcast weather is expected.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The temperature is expected to be a few degrees higher than the average peak in October, which is 59.7°F. The night temperature will be also close to the standard October low of 42.4°F.
Updated: Oct 18, 2026 @ 11:52:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Armour, intermittent cloud cover is expected, allowing for some sunshine.

Tomorrow, the maximum temperature in Armour will be 66.2°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 59.7°F in October. The lowest temperature will be in line with the average low of 42.4°F.

On Monday, in Armour, sunrise will be at 7:52 am and sunset at 6:44 pm (CDT).

In Armour, tomorrow, there will be 10h and 52min of daylight.