Weather forecast for todayLetcher, SD

Weather forecast for today

Current condition 12:28 am CDT

  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 15mphSSE 150°
  • Humidity: 68%
  • Dewpoint: 55°F
  • Pressure: 29.96"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Letcher, at the moment, the sky is a flawless clear blue with no cloud formations.
The temperature is an enjoyable 64.4°F. The current temperature is relatively far from the maximum of 82.4°F predicted for today.

Friday Oct 23, 2026

  • 82°F
  • 55°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 24mphSSE 160°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:57 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
On Friday, in Letcher, strong breezes will keep things cool under a partly cloudy sky.
Significant variations in temperature are expected, peaking at a warm 82.4°F and dropping to a low of a mild 55.4°F.
The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be 84.2°F.
The higher temperature of 82.4°F is more typical of September than October.
Sunrise will be at 7:57 am and sunset at 6:36 pm; the daylight will last for 10h and 38min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 81°C.
Coldest period: 4 am - 7 am 63°C.

Chance of precipitation

Highest chance: 1 pm - 4 pm 15%.

Hourly weather forecast

  • 2 am
  • 64°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphSSE 156°
  • Humidity: 68%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphSSE 153°
  • Humidity: 67%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphSSE 153°
  • Humidity: 67%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:57 am
  • 8 am
  • 61°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 16mphSSE 151°
  • Humidity: 73%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 19mphSSE 156°
  • Humidity: 66%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 20mphSSE 159°
  • Humidity: 51%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 22mphSSE 161°
  • Humidity: 42%
  • Pressure: 29.77"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 24mphSSE 164°
  • Humidity: 38%
  • Pressure: 29.74"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    79°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 21mphSSE 167°
  • Humidity: 39%
  • Pressure: 29.74"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:36 pm
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 19mphSSE 166°
  • Humidity: 46%
  • Pressure: 29.77"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSSE 168°
  • Humidity: 51%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, overcast weather is expected.
The temperature will vary between a minimum of 60.8°F and a maximum of 80.6°F. The warmest part of the day will be at 4 pm and 5 pm.
The day’s peak temperature will reflect September's norm of 76.1°F more than October's 58.5°F. The expected low will be also more comparable to what’s typical in September than in October.
Updated: Oct 23, 2026 @ 05:28:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:28 am CDT) it is 64.4°F in Letcher.

Today, in Letcher, expect brisk winds and partly cloudy conditions.

Today, the highest temperature will be 82.4°F, while the lowest temperature will be 55.4°F. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 84.2°F.
The highest temperature will be noticeably higher than the average maximum of 58.5°F in October. The lowest temperature will be also noticeably higher than the average low of 42.1°F.

On Friday, in Letcher, sunrise will be at 7:57 am and sunset at 6:36 pm (CDT).

In Letcher, today, there will be 10h and 38min of daylight.