Casper weather live forecast

Today's maximum temperature in Casper is expected to be 77°F. Select a day from the live weather forecast for Casper, Wyoming, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 15th September 2025 GMT

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

Casper weather forecast by day

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

Casper weather for Monday 15th September 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 77°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 17 mph from the south-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 24% chance of some rain24
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Moderate breeze of 17 mph from the South-West17
    mph wind from SW

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Casper weather for Tuesday 16th September 2025

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 66°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 7 mph from the north-east.

  • 66°F maximum temperature66
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Light breeze of 7 mph from the North-East7
    mph wind from NE

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Casper weather for Wednesday 17th September 2025

Expect isolated thunderstorms in Casper, Wyoming with a maximum temperature of 61°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a light breeze of 7 mph from the north.

  • 61°F maximum temperature61
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 75% chance of some rain75
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 mph from the North7
    mph wind from N

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Casper weather for Thursday 18th September 2025

Expect sunshine and showers in Casper, Wyoming with a maximum temperature of 70°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 10% chance of some rain and a light breeze of 6 mph from the north-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 10% chance of some rain10
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Casper weather for Friday 19th September 2025

Expect clear skies in Casper, Wyoming with a maximum temperature of 73°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

  • 73°F maximum temperature73
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the East6
    mph wind from E

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