Keystone weather live forecast

Today's maximum temperature in Keystone is expected to be 68°F. Select a day from the live weather forecast for Keystone, South Dakota, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Tuesday 4th November 2025 GMT

More about Keystone

Keystone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

Candlewood Suites: Current hotel offers & deals

  • Browse latest deals & discounts on Candlewood Suites
  • Save with hotel offers, package deals & more
  • Book hotels in the USA, Canada, Mexico & beyond
Go to Candlewood Suites deal >>

The 5-day weather forecast for South Dakota (Keystone) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Keystone weather forecast by day

Below are the detailed weather forecasts for Keystone for the next 5 days.

Keystone weather for Tuesday 4th November 2025

Expect scattered clouds in Keystone, South Dakota with a maximum temperature of 68°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Gentle breeze of 11 mph from the West11
    mph wind from W

Back to top

Keystone weather for Wednesday 5th November 2025

Expect scattered clouds in Keystone, South Dakota with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south.

  • 54°F maximum temperature54
    °F maximum temperature
  • 37°F minimum temperature37
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Moderate breeze of 12 mph from the South12
    mph wind from S

Back to top

Keystone weather for Thursday 6th November 2025

Expect scattered clouds in Keystone, South Dakota with a maximum temperature of 59°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the north-west.

  • 59°F maximum temperature59
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Moderate breeze of 13 mph from the North-West13
    mph wind from NW

Back to top

Keystone weather for Friday 7th November 2025

Expect sunshine and showers in Keystone, South Dakota with a maximum temperature of 54°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 12 mph from the west.

  • 54°F maximum temperature54
    °F maximum temperature
  • 41°F minimum temperature41
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 54°F wind chill54
    °F wind chill
  • Moderate breeze of 12 mph from the West12
    mph wind from W

Back to top

Keystone weather for Saturday 8th November 2025

Expect sunshine and showers in Keystone, South Dakota with a maximum temperature of 41°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a fresh breeze of 18 mph from the north-west.

  • 41°F maximum temperature41
    °F maximum temperature
  • 28°F minimum temperature28
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 11% chance of some rain11
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 34°F wind chill34
    °F wind chill
  • Fresh breeze of 18 mph from the North-West18
    mph wind from NW

Back to top

Booking.com: Latest worldwide hotel deals

  • Check out latest hotel deals worldwide with Booking.com
  • Find trending hotels, popular destinations & more
  • Search for specific destinations & dates or by hotel type
Go to Booking.com deal >>

View all Booking.com offers

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^