Cypress Weather Forecast – 10 Day. 1  Cypress 1 – 3 Day Weather Forecast Summary: Light rain (total 2mm), mostly falling on Mon afternoon. 2  Cypress 4 – 7 Day Weather Forecast Summary: Moderate rain (total 19mm), heaviest on Tue afternoon. 3  Cypress 7 – 10 Day Weather Forecast Summary: Light rain (total 4mm), mostly falling on Sun morning.