Altona Weather Forecast
- 61
- 84
Chance Thunderstorms
- 61
- 89
Chance Thunderstorms
- 60
- 90
Thunderstorms Likely
- 61
- 90
Chance Thunderstorms
- 63
- 92
Slight Chance Thunderstorms
- 62
- 93
Chance Thunderstorms
Today 17 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly cloudy. Patchy fog early in the morning. Chance of Thunderstorms in the afternoon. Highs in the mid to upper 80s. Chance of precipitation 40 percent.
Tonight 17 Jul Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly cloudy. Slight chance of Thunderstorms in the evening. Lows in the lower to mid 60s. Chance of precipitation 10 percent.
Altona Temperature Statistics
July Temperature
Vance Brand Airport (6.2 miles)
Lowest 2 July, 2025
54.1 °FAverage July
77 °FHighest 9 July, 2025
103.6 °F
Climate (2020–Present)
Vance Brand Airport (6.2 miles)
Average Low 2020–2025
37.7 °FAverage 2020–2025
52.5 °FAverage High 2020–2025
67.8 °F