Flagstaff weather live forecast

Today's maximum temperature in Flagstaff is expected to be 25°C. Select a day from the live weather forecast for Flagstaff, Arizona, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Tuesday 16th September 2025 GMT

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

Flagstaff weather forecast by day

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

Flagstaff weather for Monday 15th September 2025

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Flagstaff weather for Tuesday 16th September 2025

Expect scattered clouds in Flagstaff, Arizona with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the South-West11
    kph wind from SW

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Flagstaff weather for Wednesday 17th September 2025

Expect scattered clouds in Flagstaff, Arizona with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the West5
    kph wind from W

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Flagstaff weather for Thursday 18th September 2025

Expect broken clouds in Flagstaff, Arizona with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

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Flagstaff weather for Friday 19th September 2025

Expect isolated thunderstorms in Flagstaff, Arizona with a maximum temperature of 21°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 81% chance of some rain and a light breeze of 9 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 81% chance of some rain81
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Metric (°C / mm)  |  Imperial (°F / inches)

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