We propose an accurate thermometry approach for Rydberg atom tweezer arrays combining data from correlation and local susceptibility measurements with a theoretical high-temperature expansion method for dynamic spin correlations. We apply our approach to a recent quantum simulation experiment [Bornet et al., arXiv:2602.14323] realizing an antiferromagnetic dipolar spin-$1/2$ XY model on the kagome lattice. We obtain $T=0.55J$ and $S/N=0.67\ln 2$ for temperature and entropy respectively, showing that further experimental efforts are required to reach the putative quantum spin liquid regime.

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• Dipolar Rydberg atoms
• Quantum simulation
• Quantum spin liquid
• Thermometry