Over the next 10 days Sanibel tops out around 30° (Sunday) and dips to 15° on the coolest night (Sunday). Models drop roughly 0.18 in of precipitation across the stretch — watch Sunday (66%). Expect a blustery spell — gusts near 42 mph on Sunday. No active NWS alerts at the moment — quiet on the hazards front. Right now Sanibel is running about 36° warmer than Port Saint Lucie. Longer view: wet-summer, dry-winter Florida rhythm, with hurricane season June–November.
Sanibel, FL · Elev 3 ft · 26.45°N, 82.02°W · Florida · Forecast computed for these exact coordinates