Baseline Sub Weather Forecast
- 55
- 81
Chance Thunderstorms
- 60
- 90
Partly Sunny
- 56
- 87
Mostly Sunny
- 52
- 86
Sunny
- 56
- 88
Mostly Sunny
- 57
- 86
Chance Thunderstorms
- 50
- 75
Chance Thunderstorms
Today 8 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly cloudy. Chance of Showers and slight chance of Thunderstorms early in the Afternoon, then a chance of Thunderstorms late in the afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes late in the afternoon. Highs 79 to 85. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.
Tonight 8 Jun Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Partly cloudy. Slight chance of Thunderstorms early in the evening. Lows 51 to 57. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light. Chance of precipitation 10 percent.
Baseline Sub Temperature Statistics
June Temperature
Boulder Municipal Airport (2.5 miles)
Lowest 2 June, 2026
51.8 °FAverage June
70.8 °FHighest 6 June, 2026
95 °F
Climate (2021–Present)
Boulder Municipal Airport (2.5 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
53.6 °FAverage High 2021–2026
66.2 °F