Weather forecast for todayMellette, SD

Weather forecast for today

Current condition 2:14 pm CDT

  • 64°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 19mphS 180°
  • Humidity: 35%
  • Dewpoint: 36°F
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
Currently, a vibrant sun is lighting up the sky, with no sign of clouds.
The temperature is a breezy 64.4°F, the feels-like temperature is slightly different, calculated to be a comfortable 60.8°F. The current temperature is nearly at the maximum of today's anticipated 66.2°F.

Saturday Oct 17, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphS 185°
  • Humidity: 35%
  • UV index: 3
  • Sunrise: 7:52 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
Today, in Mellette, skies are expected to be clear and full of sunshine.
Day and night temperatures will sharply contrast, oscillating between an enjoyable 66.2°F and an icy 39.2°F.
The higher temperature of 66.2°F is more typical of September than October.
Sunrise was at 7:52 am and sunset will be at 6:45 pm; the daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest period: 4 pm - 5 pm 66°C.
Coldest hour: 12 am 50°C.

Chance of precipitation

Highest chance: 3 pm - 12 am 0%.

Hourly weather forecast

  • 3 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphS 187°
  • Humidity: 34%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphS 186°
  • Humidity: 34%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphS 186°
  • Humidity: 34%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphS 178°
  • Humidity: 37%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:45 pm
  • 7 pm
  • 59°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 174°
  • Humidity: 44%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphS 169°
  • Humidity: 49%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSE 169°
  • Humidity: 52%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 171°
  • Humidity: 54%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 52°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 174°
  • Humidity: 58%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 50°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 173°
  • Humidity: 59%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, sunshine is expected.
The temperature will vary between a maximum of 66.2°F and a minimum of 51.8°F. The warmest part of the day will be at 4 pm and 5 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. Today, the night is expected to be similar to the typical October low of 40.1°F.
Updated: Oct 17, 2026 @ 19:14:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (2:14 pm CDT) it is 64.4°F in Mellette.

Today, uninterrupted sunshine is anticipated.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.

On Saturday, in Mellette, sunrise was at 7:52 am and sunset will be at 6:45 pm (CDT).

In Mellette, the length of the day today will be 10h and 53min.