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If you accept only deductive reasoning as being justified, then we cannot have knowledge of the future.

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Tomorrow, nothing will exist which is both red all over, and green all over.

This is a conclusion I arrived at through deductive means.
I know it to be true. Its about the future.

So to answer the OP's question, ya we can have knowledge about the future.

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I don't believe that knowledge of the future qualifies under the guidelines of justified true belief.