Weather forecast for todaySpearfish, SD

Weather forecast for today

Current condition 10:20 am MDT

  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 16%
  • Dewpoint: 21°F
  • Pressure: 29.98"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
Currently, in Spearfish, the weather is sunny with a crisp, clear sky.
The temperature is a delightful 71.6°F. The current temperature is a few degrees off the maximum of 78.8°F for today.

Saturday Oct 17, 2026

  • 79°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 124°
  • Humidity: 18%
  • UV index: 3
  • Sunrise: 7:13 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
On Saturday, in Spearfish, expect plenty of sunshine and only a few scattered clouds.
Daytime will experience a high of a temperate 78.8°F, significantly differing from the anticipated night low of a frosty 46.4°F.
A high of 78.8°F is expected, which resembles September's climate average of 72.5°F more than October's 54.5°F.
Sunrise was at 7:13 am and sunset will be at 6:07 pm; the daylight will last for 10h and 55min.

Hourly overview

Hourly temperatures

Warmest period: 1 pm - 3 pm 79°C.
Coldest hour: 1 am 57°C.

Chance of precipitation

Highest chance: 11 am - 1 am 0%.

Hourly weather forecast

  • 11 am
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 240°
  • Humidity: 15%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphW 269°
  • Humidity: 14%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 1 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 323°
  • Humidity: 13%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 30°
  • Humidity: 17%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphENE 72°
  • Humidity: 18%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphESE 104°
  • Humidity: 18%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 132°
  • Humidity: 24%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphS 177°
  • Humidity: 29%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 7 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 207°
  • Humidity: 33%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 206°
  • Humidity: 36%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 210°
  • Humidity: 34%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 218°
  • Humidity: 32%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 224°
  • Humidity: 33%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of overcast and sunny weather is expected.
The temperature will vary between a maximum of 78.8°F and a minimum of 59°F. The warmest part of the day will be from 1 pm to 3 pm.
The highest temperature is more in line with September's average maximum of 72.5°F than October's usual of 54.5°F. Today, the forecasted low is also more alike with September's minimum of 52°F than the average in October.
Updated: Oct 17, 2026 @ 16:20:20 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (10:20 am MDT) is 71.6°F.

On Saturday, in Spearfish, predominantly sunny weather will make for pleasant outdoor conditions.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 46.4°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 54.5°F in October. The lowest temperature today will be moderately higher than the average low temperature.

On Saturday, in Spearfish, sunrise was at 7:13 am and sunset will be at 6:07 pm (MDT).

Today in Spearfish, South Dakota, the daylight will last for 10h and 55min.