Weather forecast for todayHarrison, SD

Weather forecast for today

Current condition 12:03 am CDT

  • 64°F
  • Feels like:
    63°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 13mphSE 140°
  • Humidity: 72%
  • Dewpoint: 55°F
  • Pressure: 29.95"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Harrison, at the moment, gentle winds and mild temperatures enhance the fair conditions.
The temperature is a breezy 64.4°F, and the feels-like temperature is almost the same at 62.6°F. The current temperature is relatively far from the maximum of 82.4°F predicted for today.

Friday Oct 23, 2026

  • 82°F
  • 54°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 24mphSSE 164°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:58 am CDT
  • Sunset: 6:38 pm CDT
  • ▼
Today, in Harrison, blustery and partly cloudy weather is anticipated.
The temperature is forecasted to vary significantly from a high of a temperate 82.4°F to a low of a fresh 53.6°F.
The maximum heat index, which combines relative humidity and air temperature, is computed to be 84.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 76.3°F, not October's.
Sunrise will be at 7:58 am and sunset at 6:38 pm; the daylight will last for 10h and 40min.

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: 2%
  • Precipitation: 0"
  • Wind: 14mphSSE 157°
  • Humidity: 71%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 15mphSSE 156°
  • Humidity: 70%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 15mphSSE 154°
  • Humidity: 70%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:58 am
  • 8 am
  • 61°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 15mphSSE 156°
  • Humidity: 74%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 18mphSSE 160°
  • Humidity: 67%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 20mphSSE 164°
  • Humidity: 53%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    79°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 22mphSSE 166°
  • Humidity: 44%
  • Pressure: 29.74"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 24mphS 169°
  • Humidity: 40%
  • Pressure: 29.71"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphS 171°
  • Humidity: 41%
  • Pressure: 29.74"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:38 pm
  • 8 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSE 168°
  • Humidity: 48%
  • Pressure: 29.77"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 70°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphS 172°
  • Humidity: 51%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Harrison, cloudy conditions are likely to prevail.
The temperature will be 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 76.3°F more than October's 59.7°F. Forecasts show a temperature also more consistent with September's average minimum of 55.4°F rather than the October average of 42.4°F.
Updated: Oct 23, 2026 @ 05:03:06 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:03 am CDT in Harrison is 64.4°F.

On Friday, partly cloudy skies with gusty winds are expected.

Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 53.6°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 84.2°F.
The highest temperature will be noticeably higher than the average maximum of 59.7°F in October. The lowest temperature will be also significantly higher than the average low of 42.4°F.

On Friday, in Harrison, sunrise will be at 7:58 am and sunset at 6:38 pm (CDT).

In Harrison, today, there will be 10h and 40min of daylight.