Aztalan State Park Weather Forecast
- 69
- 85
Slight Chance Thunderstorms
- 72
- 92
Slight Chance Thunderstorms
- 67
- 91
Mostly Sunny
Today 25 Jul Jefferson
Partly sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.
Tonight 25 Jul Jefferson
Partly cloudy until early morning then becoming mostly cloudy. Lows in the upper 60s. Southwest Winds up to 5 Mph.
Aztalan State Park Temperature Statistics
July Temperature
Watertown (9.9 miles)
Lowest 22 July, 2026
51.1 °FAverage July
75.2 °FHighest 14 July, 2026
95.4 °F
Climate (2021–2026)
Watertown (9.9 miles)
Average Low 2021–2026
35.2 °FAverage 2021–2026
44.9 °FAverage High 2021–2026
54 °F