Flagstaff Weather Forecast
- 51
- 63
Chance Thunderstorms
- 56
- 77
Mostly Sunny
- 64
- 89
Mostly Sunny
- 58
- 98
Hot
- 60
- 89
Mostly Sunny
- 64
- 93
Mostly Sunny
Today 14 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly cloudy. Patchy smoke in the morning. Slight chance of Showers in the Morning, then a slight chance of Thunderstorms in the afternoon. Highs 59 to 67. East Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 14 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Cloudy. Lows 46 to 52. East Winds 10 to 15 Mph with Gusts up to 20 Mph.
Flagstaff Temperature Statistics
June Temperature
Boulder Municipal Airport (3.7 miles)
Lowest 2 June, 2026
51.8 °FAverage June
71.3 °FHighest 6 June, 2026
95 °F
Climate (2021–Present)
Boulder Municipal Airport (3.7 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
66.2 °F