This is the 13831st most frequent Russian word.
обвиняет
Accuses.
In this sentence, 'обвиняет' is used to mean 'accuses,' indicating someone attributing fault or blame towards another for wrongdoing or a mistake.
Он обвиняет её во лжи.
He accuses her of lying.
Here, 'обвиняет' denotes the act of formally charging or alleging that someone has committed a wrongdoing, specifically academic dishonesty in this case.
Профессор обвиняет студентов в плагиате.
The professor accuses the students of plagiarism.
In this context, 'обвиняет' is used to mean 'blames,' attributing a cause—weather—for someone's emotional state or actions.