Boulder Weather Forecast

    • 47
    • 73

    Chance Thunderstorms

    • 48
    • 72

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 53
    • 79

    Chance Thunderstorms

    • 54
    • 82

    Chance Thunderstorms

    • 52
    • 84

    Chance Rain Showers

    • 50
    • 74

    Chance Rain Showers

Today 25 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Slight chance of Thunderstorms early in the afternoon. Chance of Thunderstorms late in the afternoon. Highs in the lower to mid 70s. Northwest Winds 10 to 20 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 40 percent.

Tonight 25 May Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy with a slight chance of Thunderstorms early in the Evening, then mostly cloudy with a chance of Showers and slight chance of Thunderstorms during the late evening hours. Partly cloudy after midnight. Lows in the mid 40s. West Winds 10 to 15 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Temperature Statistics

May Temperature

Boulder Municipal Airport (2.5 miles)

  • Lowest 4 May, 2024

    37.4 °F
  • Average May

    55.6 °F
  • Highest 17 May, 2024

    82.4 °F

Climate (2019–Present)

Boulder Municipal Airport (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2019–2024

    40.2 °F
  • Average 2019–2024

    52.2 °F
  • Average High 2019–2024

    64.4 °F
Get an account to remove ads