Big Timber Weather Forecast
- 70
- 90
Mostly Sunny
- 73
- 94
Mostly Sunny
- 73
- 94
Mostly Sunny
- 73
- 93
Mostly Sunny
- 74
- 92
Slight Chance Thunderstorms
- 70
- 91
Chance Thunderstorms
- 66
- 87
Slight Chance Thunderstorms
Today 13 Jul Northern Will
Mostly cloudy late in the morning then clearing. Highs in the lower 90s. Northwest Winds around 5 Mph.
Tonight 13 Jul Northern Will
Clear. Lows around 70. West Winds around 5 Mph.
Big Timber Temperature Statistics
July Temperature
Joliet Regional Airport (1.2 miles)
Lowest 8 July, 2026
63.9 °FAverage July
78.4 °FHighest 2 July, 2026
94.6 °F
Climate (2021–2026)
Joliet Regional Airport (1.2 miles)
Average Low 2021–2026
43.6 °FAverage 2021–2026
53.8 °FAverage High 2021–2026
63.4 °F